GENERAL CATALOG

Transcription

1 Strain Gages KFG - Serie GENERAL CATALOG 0506 ZSE Electronic Mess-Systeme & Sensortechnik GmbH In den Freßäckern 8 D-74 Bietigheim-Bissingen Telefon: Fax: info@zse.de -

2 - Strain Gages Strain Gages - Strain, Stress, and Poisson's Ratio When a material receives a tensile force P, it has a stressσthat corresponds to the applied force. In proportion to the stress, the cross section contracts and the length elongates by ΔL from the length L the material had before receiving the tensile force (see illustration in Fig. ) below. Fig. P Δ D Δ L Δ D P L Δ D D D Δ D L L Δ L (Tension) D Δ D L Δ L L (Compression) The ratio of the elongation to the original length is called a tensile strain and is expressed as follows: ΔL ε= L See the lower illustration in Fig.. If the material receives a compressive force, it bears a compressive strain expressed as follows: ε= - ΔL L Δ D Δ D L Δ ε :Strain L :Original length ΔL :Elongation Δ L P P For example, if a tensile force makes a 00mm long material elongate by 0.0 mm, the strain initiated in the material is as follows: ΔL 0.0 ε= = = = 00μm/m L 00 Thus, strain is an absolute number and is expressed with a numeric value with x0-6 strain, με or μm/m suffixed. Based on Hooke's law, the relation between stress and the strain initiated in a material by an applied force is expressed as follows: σ = Eε σ :Stress E :Young's modulus ε :Strain Stress is thus obtained by multiplying strain by the Young's modulus. When a material receives a tensile force P, it elongates in the axial direction while contracting in the transverse direction. Elongation in the axial direction is called longitudinal strain and contraction in the transverse direction, transverse strain. The absolute value of the ratio between the lon and gituding strain transverse straln is called Poisson's ratio, which is expressed as follows: ν= ε ε ν :Poisson's ratio ΔL ΔL ε :Longitudinal strain or - (Fig. ) L L ΔD ε :Transverse strain - ΔD or (Fig. ) D D Poisson's ratio differs depending on the material. For major industrial materials and their mechanical properties including Poisson's ratio, refer to page 9-.

3 - A strain gage detects a minute dimensional change (strain) as an electric signal. By measuring strain with the gage bonded to a material or structure, the strength or safety can be known. Thus, the strain gage is used in various industries including machinery, automobile, electric, civil engineering, medical, and food. The strain gage is also adopted as a sensing element of force, pressure, acceleration, vibration, displacement, and torque transducers used for various purposes including and control of production lines. KYOWA produced the first Japanese-made strain gages in 95, and based on the abundant experience and technologies accumulated throughout these years, the Company manufactures a variety of high-performance, environmentally friendly strain gages. Principle of Strain Gages Each metal has its specific resistance. An external tensile force (compressive force) increases (decreases) the resistance by elongating (contracting) it. Suppose the original resistance is R and a strain-initiated change in resistance is ΔR. Then, the following relation is concluded: ΔR ΔL = Ks = Ks ε R L where, Ks is a gage factor, the coefficient expressing strain gage sensitivity. General purpose strain gages use copper-nickel or nickel-chrome alloy for the resistive element, and the gage factor provided by these alloys are approximately. Types of Strain Gages Types of strain gages include foil strain gage, wire strain gage, and semiconductor strain gage. Structure of Foil Strain Gage The foil strain gage has metal foil photo-etched in a grid pattern on the electric insulator of the thin resin and gage leads attached, as shown in Fig. below. The strain gage is bonded to the measuring object with a dedicated adhesive. Strain occurring on the measuring site is transferred to the strain sensing element via the gage base. For accurate, the strain gage and adhesive should match the measuring material and operating conditions including temperature. For the bonding method and dampproofing treatment, refer to page 9-8. Strain Gages Fig. Example of KFG gage Base length Grid length (strain sensing part) (Gage length) Laminate Base Grid width Base width Center mark Base Metal foil Laminate film Solder Bonded surface Gage lead (silver-clad copper wire, 0. to 0.6 mm and 5 mm long) -

4 - Strain Gages Principle of Strain Strain initiated resistance change is extremely small. Thus, for strain a Wheatstone bridge is formed to convert the resistance change to a voltage change. Suppose in Fig. resistances (Ω) are R, R, R and R4 and the bridge voltage (V) is E. Then, the output voltage eo (V) is obtained by the following equation: Fig. R Strain gage R Output voltage e 0 = R R R R 4 (R +R ) (R +R 4) E R 4 R e 0 Suppose the resistance R is a strain gage and it changes by ΔR due to strain. Then, the output voltage is, e 0 = If R = R = R = R 4 = R in the initial condition, e 0 = (R +ΔR)R -R R 4 (R +ΔR+R ) (R +R 4) R +R ΔR-R (R+ΔR) R Since R may be regarded extremely larger than DR, Thus obtained is an output voltage that is proportional to a change in resistance, i.e. a change in strain. This microscopic output voltage is amplified for analog recording or digitial indication for strain. E E ΔR e 0 E = Ks ε E 4 R 4 Bridge voltage E Strain Gage Wiring System A strain gage Wheatstone bridge is configured with, or 4 gages according to the measuring purpose. The typical wiring systems are shown in Figs. 4, 5 and 6. For varied strain gage bridge formation systems, refer to pages gage system With the -gage system, a strain gage is connected to one side of the bridge and a fixed resistor is connected to each of the other sides. This system can easily be configured, and thus it is widely used for general stress/strain. The -gage -wire system shown in Fig. 4- is largely affected by leads. Therefore, if large temperature changes are anticipated or if the lead wire length is long, then the -gage -wire system shown in Fig. 4- must be used. For the -gage -wire system, refer to "Method of Compensating Temperature Effect of Leadwire" (page 9-4). -

5 -4 Fig. 4- Strain gage Rg -gage system With the -gage system, strain gages are connected to the bridge, one each to adjacent or opposite sides with fixed resistor inserted in the other sides. See Figs. 5- and 5-. There exist the active-dummy method, where one strain gage serves as a dummy gage for temperature compensation, and the activeactive method, where both gages serve as active gages. The -gage system is used to eliminate strain components other than the target strain; according to the measuring purpose, gages are connected to the bridge in different ways. For details, refer to "How to Form Strain Gage Bridges" (page 9-6). Fig. 5- R E R R eo Strain gage Rg Strain gage Strain gage ( Active gage) Rg Rg Dummy gage or active gage eo R Fig. 4- E R R eo ( ) Fig. 5- Strain gage ( Active gage) 4-gage system See Fig. 6. The 4-gage system has 4 strain gages connected one each to all 4 sides of the bridge. This circuit ensures large output of strain gage transducers and improves temperature compensation as well as eliminates strain components other than the target strain. For details, refer to "How to Form Strain Gage Bridges" (page 9-7). Fig. 6 Rg Opposite side -active-gage -wire system Rg R E Rg 4 Rg E R Rg eo Rg Strain gage ( Active gage) eo Strain Gages R R -gage system E -4

6 -5 Strain Gages -5 Self-Temperature-Compensation Gages (SELCOM Gages) When receiving a temperature change, a strain gage bonded to a measuring object generates an apparent strain due to a difference in linear expansion coefficient between the measuring object and the resistive element of the strain gage, and a thermally-induced resistance change of the gage element. The SELCOM gage has a resistance temperature coefficient of the resistive element adjusted to match with the measuring object, thereby minimizing the apparent strain. Virtually all KYOWA's strain gages are SELCOM gages, and if bonded to suitable materials, the thermallyinduced apparent strain is within.8 μm/m/ C in a temperature range of 0 to 80 C. As shown in Fig. 7, the thermally-induced apparent strain of KFG gages is within μm/m/ C in a temperature range of 0 to 40 C in which they are most frequently used. For the principle of SELCOM gage, refer to page 9-. For the model numbers and applicable materials, refer to page -6. Thermally-induced apparent strain output (μm/m) Typical characteristic curve of thermally-induced apparent strain with KFG gage μm/m/ μm/m/ Adhesive Fig. 7.8μm/m/ -.8μm/m/ Temp The following are described in Technical Notes Mechanical properties of industrial materials Linear expansion coefficients of materials Examples of with strain gages Tensile and compressive stress Bending stress Equations to obtain strain on beams Torsional and shearing stress Temperature effect of leadwies in -wire system Effect of insulation resistance Resistance change of strain gage bonded to curved surface Compensation of gage factor Misalignment effect Compensation of leadwire extension effect Compensation of nonlinearity of -gage system Method of obtaining the magnitude and direction of principal stress (rosette analysis) Generating calibration value based on tip parallel resistance method.

7 -6 Strain Gage Name Coding System Resistance(Ω) Gage Pattern Gage Length (mm) Suffix N indicates base and grid widths are narrow. Series Designation KFG: General-purpose foil strain gage KFGT: Foil strain gage with temperature sensor KFR: Foil strain gage KFW: Waterproof foil strain gage KFWS: Small-sized waterproof foil strain gage KCW: Weldable waterproof foil strain gage KC: Wire strain gage KM: Embedded strain gage KMC: Concrete-embedded strain gage KFRP: Foil strain gage for composite materials KFRS Foil strain gage for printed boards KFP: Foil strain gage for plastics KFML: Foil strain gage for low-elasticity materials KSP: Semiconductor strain gage KSN: Self-temperature-compensation semiconductor gage KSPH: High-output semiconductor gage KSPL: Ultra linear semiconductor gage KHCX: Encapsulated strain gage KHCV: Encapsulated strain gage KHCR: Encapsulated strain gage KHCS: Encapsulated strain gage KHCM: Encapsulated strain gage KHC: Encapsulated strain gage KFU: High-temperature foil strain gage KH: High-temperature foil strain gage KFH: High-temperature foil strain gage KFL: Low-temperature foil strain gage KFEM: Ultrahigh-elongation foil strain gage KFEL: High-elongation foil strain gage KFN: Non-inductive foil strain gage KFS: Shielded foil strain gage KFV: Foil Strain Gage for Hydrogen Gas KFF: Foil strain gage for bending strain KCH: Foil strain gage with protector KMP: Embedded gage KV: Crack gage KFG--0-C- LMR A: Uniaxial, leads at one end (KC, KTB gages) C: Uniaxial, leads at one end (foil gage) C: Uniaxial 90, lead at both ends C: Uniaxial 0, lead at both ends C9: Uniaxial, leads at one end (KFN gage) C: Uniaxial, -element, mm thick (KFF gage) C: Uniaxial, -element, mm thick (KFF gage) C5: Uniaxial right 45, for shearing strain, leads at one end C6: Uniaxial left 45, for shearing strain, leads at one end C0: Uniaxial, leads at a side (for bolt axial tension) D: Biaxial 0/90, lead at both ends D: Biaxial 0/90, lead at both ends (for torque) D: Triaxial 0/90/45, lead at both ends, plane arrangement D4: Triaxial 0/0/40, plane arrangement D6: Quadraxial 0/0/90/50, plane arrangement D9: Uniaxial 5-element 90 D6: Biaxial 0/90 stacked rosette, round base D7: Triaxial 0/90/45 stacked rosette, round base D9: Uniaxial 5-element 0 D0: Biaxial 0/90 (KFN gage) D: Triaxial 0/90/45, plane arrangement D5: Triaxial 0/90/45, plane arrangement D8: Triaxial 0/5/90, plane arrangement (for boring) D: Biaxial 0/90, leads at one end (for torque) D4: Biaxial 0/90, plane arrangement D5: Triaxial 0/90/45, plane arrangement D9: Biaxial 5-element 0/90, stacked rosette E: Uniaxial, lead at both ends (semiconductor gage) E4: Uniaxial, leads at one end (semiconductor gage) E5: Uniaxial, lead at both ends with no base (semiconductor gage) F: Uniaxial -element (semiconductor gage) F: Biaxial 0/90 (semiconductor gage) G4: Uniaxial, leads at one end (KH-G4) G8: Uniaxial active/dummy -element, Inconel (for KHC) G9: Uniaxial active/dummy -element, SUS (for KHC) G0: Uniaxial (for KCW) G: Uniaxial active/dummy -element (for KHCS) G: Uniaxial active/dummy -element (for KHCX) G5: Uniaxial active/dummy -element (for KHCM) G6: Uniaxial active/dummy -element (for KHCR) G7: Uniaxial active -element (for KHCV) H: Uniaxial (for KM-0) H: Uniaxial (for KM-0) H: Uniaxial (for KMC) H4: Uniaxial with T thermocouple (for KMC) J: Uniaxial (for KFS) Applicable linear expansion coefficient Type and Length of Leadwire Cable Applicable linear expansion coefficient ( x0 6 /C ) : Composite materials such as CFRP Amber (.) Diamond (.) : Composite materials such as GFRP Silicon (.) Sulfur (.7) 5: Composite materials such as GFRP Tungsten (4.5) Lumber (5.0) Molybdenum (5.) Zirconium (5.4) Kobar (5.9) 6: Composite materials such as GFRP 8 Tantalum (6.6) 9: Composite materials such as CFRP, GFRP Titanium alloy (8.5) Platinum (8.9) Soda-lime glass (9.) : Common steel (.7) SUS6 (0.) SUS60 (0.6) Cast iron (0.8) Nickel-molybdenum steel (.) Beryllium (.5) Inconel X (.) : Corrosion and heat-resistant alloys such as NCF Nickel (.) Printed board (.0) 6: Stainless steel SUS04 (6.) Beryllium steel (6.7) Copper (6.7) : 04-T4 aluminum (.4) Brass (.0) Tin (.0) 04-T4 aluminum (.) 7: Magnesium alloy (7.0) Composite material, GFRP (5.0) 65: Acrylic resin (65.0) Polycarbonate (66.6) Strain Gages Note: Combination of codes is limited and menu options cannot freely be selected. -6

8 -7 Strain Gages Example Stress of precast concrete such as Tetrapod Strain Gages Example Stress of plastic parts -7

9 -8 Stress when printed wiring board is mounted Stress during strength testing of a shutter Strain Gages Example -8

10 -9 Strain Gages Selection Chart Selecting strain gage types matching to purpose and environment. KFG--0- Series Designation Gage Length(mm) Resistance(Ω) Series Designation Gage Length(mm) Gage Resistance Selecting strain gage types matching to the kind of material and the temperature of the environment. Selecting gage length types matching to the kind of material and the environment of space. Selecting strain gage resistance matching the application. Strain Gages Selection Chart For example Outdoor, in underwater KFW Waterproof foil strain gages under high temperature KFU High-temperature foil strain gages Main Application Strain for Mortar /Concrete Strain for Wood/Glass Strain for Common steel / Acrylic Concentrated stress Strain Gage Length (mm) 0~0 5~0 ~6 0.5~ Application Bending compensation Generalpurpose strain For Transducer Resistance 60Ω 0Ω 50~ 000Ω Concrete internal strain KM Embedded strain gages Strain in narrow space. Strain in fast phenomenon (Impact-shock, etc.) 0.~ 0.~ Note: Combination of codes is limited and menu options cannot freely be selected. -9

11 -0 C- LMR Gage Pattern Pattern of strain gages Selecting a pattern matching the application. For example Concentrated stress D9 Uniaxial 5-elements 90 Applicable Linear Expansion Coefficient Linear expansion coefficient of strain gages Selecting a pattern matching the application. For example Composite materials such as CFRP Amber (.) Diamond (.) Type and Length of Lead Wire Type Cable Lead wire cable of strain gage Selecting a kind of lead wire cable matching the measuring condition under environments and a temperature. Strain Gages Selection Chart of Poisson ratio D6 Biaxial 0 / 90 Stacked rosette, Round base. 6 Stainless steel SUS 04 (6.) Beryllium steel (6.7) Copper (6.7) A strain gage with a leadwire for safe labor We supply these two types: Gages with leads only Gages connected to flat vinyl lead wires of reguired length Stress analysis D7 Triaxial 0 /90 / Stacked rosette,round base Applicable liner expansion software. 65 Acrylic resin (65.0) Polycarbonate (66.6) Applicable linear expansion coefficient (μm/m/) Gages connected to lead wires provide increases in speed and work required for adhesion. Refer to the pages for each gage for combinations of gages and lead wires. -0

12 - Example of Strain Gage Selection Chart of Different Fields (recommended strain gage examples) Automotive Engineering Aerospace KFG General-purpose foil strain gages KFGT Foil strain gages with temperature sensor KFR Foil strain gages KCW Weldable waterproof foil strain gages KFRP Foil strain gages for composite materials KFRS Foil strain gages for printed boards KFML Foil strain gage for low-elasticity materials KSP Semiconductor strain gages KSN Self-temperature-compensation semiconductor gages KFG General-purpose foil strain gages KFGT Foil strain gages with temperature sensor KSPH High-output semiconductor gages KSPL Ultra linear semiconductor gages KHCX Encapsulated strain gages KHCV Encapsulated strain gages KHCR Encapsulated strain gages KHCS Encapsulated strain gages KHCM Encapsulated strain gage KHC Encapsulated strain gages KFU High-temperature foil strain gages KH High-temperature foil strain gages KSPL Ultra linear semiconductor gages KHCX Encapsulated strain gages KFH High-temperature foil strain gages KFN Non-inductive foil strain gages KFS Shielded foil strain gages KFV Foil Strain Gage for Hydrogen Gas KFL Low-temperature foil strain gages KFN Non-inductive foil strain gages KFR Foil strain gages KHCV Encapsulated strain gages KFS Shielded foil strain gages KFRP Foil strain gages for composite materials KHCR Encapsulated strain gages KFRS Foil strain gages for printed boards KHCS Encapsulated strain gages KFML Foil strain gage for low-elasticity materials KHCM Encapsulated strain gages KSP Semiconductor strain gages KHC Encapsulated strain gages KSN Self-temperature-compensation KFU High-temperature foil strain gages semiconductor gages KH High-temperature foil strain gages KSPH High-output semiconductor gages KFH High-temperature foil strain gages Example of Strain Gage Selection Chart of Different Fields(recommended strain gage examples) Railway Electric Equipment Precision Instrument General-Manufacture/ Machinery KFG General-purpose foil strain gages KFH High-temperature foil strain gages KFGT Foil strain gages with temperature sensor KFL Low-temperature foil strain gages KFR Foil strain gages KFN Non-inductive foil strain gages KFW Waterproof foil strain gages KFS Shielded foil strain gages KFWS Small-sized waterproof foil strain gages KCH Foil strain gages with protector KCW Weldable waterproof foil strain gages KV Crack gages KHCM Encapsulated strain gages KHC Encapsulated strain gages KFU High-temperature foil strain gages KH High-temperature foil strain gages KFG General-purpose foil strain gages KSPL Ultra linear semiconductor gages KFGT Foil strain gages with temperature sensor KFEM Ultrahigh-elongation foil strain gages KFR Foil strain gages KFEL High-elongation foil strain gages KFRP Foil strain gages for composite materials KFRS Foil strain gages for printed boards KFP Foil strain gages for plastics KFML Foil strain gage for low-elasticity materials KSP Semiconductor strain gages KSN Self-temperature-compensation semiconductor gages KSPH High-output semiconductor gages KFG General-purpose foil strain gages KHCR Encapsulated strain gages KFGT Foil strain gages with temperature sensor KHCS Encapsulated strain gages KFR Foil strain gages KHCM Encapsulated strain gages KFRP Foil strain gages for composite materials KHC Encapsulated strain gages KSP Semiconductor strain gages KFU High-temperature foil strain gages KSN Self-temperature-compensation semiconductor gages KH High-temperature foil strain gages KSPH High-output semiconductor gages KFH High-temperature foil strain gages KSPL Ultra linear semiconductor gages KFN Non-inductive foil strain gages KHCX Encapsulated strain gages KFS Shielded foil strain gages KHCV Encapsulated strain gages -

13 - Steel Nonferrous Metal Experimental Research and Development KFG General-purpose foil strain gages KFGT Foil strain gages with temperature sensor KFR Foil strain gages KFW Waterproof foil strain gages KFWS Small-sized waterproof foil strain gages KCW Weldable waterproof foil strain gages KHCM Encapsulated strain gages KHC Encapsulated strain gages KFU High-temperature foil strain gages KH High-temperature foil strain gages KFH High-temperature foil strain gages KV Crack gages KHCX Encapsulated strain gages KHCV Encapsulated strain gages KHCR Encapsulated strain gages KHCS Encapsulated strain gages KFG General-purpose foil strain gages KSN Self-temperature-compensation semiconductor gages KH High-temperature foil strain gages KFGT Foil strain gages with temperature sensor KSPH High-output semiconductor gages KFH High-temperature foil strain gages KFR Foil strain gages KFW Waterproof foil strain gages KSPL Ultra linear semiconductor gages KHCX Encapsulated strain gages KFL Low-temperature foil strain gages KFEM Ultrahigh-elongation foil strain gages KFWS Small-sized waterproof foil strain gages KCW Weldable waterproof foil strain gages KFRP Foil strain gages for composite materials KFRS Foil strain gages for printed boards KFML Foil strain gage for low-elasticity materials KSP Semiconductor strain gages KHCV Encapsulated strain gages KHCR Encapsulated strain gages KHCS Encapsulated strain gages KHCM Encapsulated strain gages KHC Encapsulated strain gages KFU High-temperature foil strain gages KFEL High-elongation foil strain gages KFN Non-inductive foil strain gages KFS Shielded foil strain gages KFF Foil strain gages for bending strain KV Crack gages KFV Foil Strain Gage for Hydrogen Gas Civil Engineering and Construction Medical, Welfare and Human Engineering Energy KFG General-purpose foil strain gages KFW Waterproof foil strain gages KFWS Small-sized waterproof foil strain gages KCW Weldable waterproof foil strain gages KC Wire strain gages KM Embedded strain gages KMC Concrete-embedded strain gages KCH Foil strain gages with protector KV Crack gages KFG General-purpose foil strain gages KFR Foil strain gages KFW Waterproof foil strain gages KFWS Small-sized waterproof foil strain gages KFRP Foil strain gages for composite materials KFRS Foil strain gages for printed boards KFML Foil strain gage for low-elasticity materials KFEM Ultrahigh-elongation foil strain gages KFEL High-elongation foil strain gages KFG General-purpose foil strain gages KFGT Foil strain gages with temperature sensor KFR Foil strain gages KFW Waterproof foil strain gages KFWS Small-sized waterproof foil strain gages KCW Weldable waterproof foil strain gages KC Wire strain gages KFRP Foil strain gages for composite materials KFRS Foil strain gages for printed boards KFML Foil strain gage for low-elasticity materials KHCX Encapsulated strain gages KHCV Encapsulated strain gages KHCR Encapsulated strain gages KHCS Encapsulated strain gages KHCM Encapsulated strain gages KHC Encapsulated strain gages KFU High-temperature foil strain gages KH High-temperature foil strain gages KFH High-temperature foil strain gages KFN Non-inductive foil strain gages KFS Shielded foil strain gages KCH Foil strain gages with protector KV Crack gages KFV Foil Strain Gage for Hydrogen Gas Example of Strain Gage Selection Chart of Different Fields(recommended strain gage examples) -

14 - Strain Gage Selection Chart Strain Gage Selection Chart for Each Application. Metal General Stress Under general environment Max. elongation 5% Usable at up to 50 C Less coating treatment required Less coating treatment required Simply waterproofed, long-term stability Simply waterproofed, rugged Applicable to Sensing Element of Transducers Uniaxial, High-resistance 50/500/000Ω Uniaxial, for shearing strain Biaxial, torque Residual Stress Installation by cutting method Installation by boring method KFG KFG T-F7 C General-purpose foil strain gages KFG-C5,6 General-purpose foil strain gages KFG-D8 General-purpose foil strain gages C5 General-purpose foil strain gages KFG-D, General-purpose foil strain gages Internal Strain Applicable where a strain gage cannot be bonded inside a box structure KFG KFF General-purpose foil strain gages KFG General-purpose foil strain gages KFR Foil strain gages KFW Waterproof foil strain gages KFWS Small-sized waterproof foil strain gage KCW Weldable waterproof foil strain gages KCH Foil strain gages with protector D Foil strain gages for bending strain See age See age See age -6-6 under hydrogen gas environment under high-pressure hydrogen gas environment KFV Foil Strain Gage for Hydrogen Gas See age -44 See age -44 Crack Gages of the progress and propagation speed of crack at Low-Temperature at LHe temperature (-69 C) KV Crack gages KFL Low-temperature foil strain gages See age -46 at High-Temperatures Up to 950 C Up to 800 C Up to 750 C Up to 750 C Up to 650 C Up to 550 C Up to 50 C Up to 50 C Up to 50 C See page -4 under High Electric Field under high electric field accompanying induction noise KHCX KFS Encapsulated strain gages KHCV Encapsulated strain gages KHCR Encapsulated strain gages KHCS Encapsulated strain gages KHCM Encapsulated strain gage KHC Encapsulated strain gages KFU High-temperatrue foil strain gages KH High-temperature foil strain gages KFH High-temperature foil strain gages Shielded foil strain gages Applicable to Ultra-Small Strain and Highly-Sensitive Element of Transducers of KSP <00μm/m under less temperature change environment Semiconductor strain gages of KSN <00μm/m under less temperature change Self-temperature-compensation environment semiconductor strain gages of KSPL <00μm/m under less temperature change environment Ultra linear semiconductor gages See page See page -4 See page

15 Composite Materials Printed Boards Plastics -4 Impact Strain Enable with no amplifier used under High Magnetic Field under DC magnetic field at low temperature under DC magnetic field at middle temperature under DC magnetic field at high temperature under DC/AC magnetic field Concrete, Mortar, etc. General stress Less coating treatment required Less coating treatment required Surface strain meas. (small aggregate) Surface strain meas. (large aggregate) Internal strain Self-shrinkage strain KSPH KFL Low-temperature foil strain gages KFR Foil strain gages KFH High-temperature foil strain gages KFN Non-inductive foil strain gages KFW Waterproof foil strain gages KFWS Small-sized waterproof foil strain gages KFG General-purpose foil gages 0 to 0-mm long KC Wire strain gages 60 ~ 0mm KM High-output semiconductor gages Embedded strain gages KMC Concrete-embedded strain gages See page Concentrated Stress of stress distribution at 8mm to mm intervals of stress distribution at mm intervals KFG-D9,9,9 Element to element mm or mm KFR-D9,9 Interval 0.5mm D9 D9-7 See page - -8 See page See page General Stress Applicable linear expansion coefficient to / C Applicable linear expansion coefficient 0-6 / C Applicable linear expansion coefficient / C For polyurethane and rubber For strain inside resin Metal Plastics Lumber and Rubber High-Elongation Gages Max. elongation approx. 0%-0% Max. elongation approx. 5% KFEM Ultrahigh-elongation foil strain gages KFEL High-elongation foil strain gages See page -4-4 Lumber, Plaster, Paper, etc. General Stress Lumber (applicable linear expansion coefficient / C) KFG General-purpose foil strain gages Various Materials KFG-5-0-C-5 KFG--0-C-5 General Stress Simultaneous of strain and temperature KFGT Metal Bolts Foil strain gages with temperature sensor See page -0 See page -7 of Axial Tension of Bolts KFRP Foil strain gages for composite materials KFRS Foil strain gages for printed boards KFP Foil strain gages for plastics KFML Foil strain gage for low-elasticity materials KMP Embedded gage KFG-C0 Internal strain General-purpose foil strain gages See page See page -6 Strain Gage Selection Chart -4

16 -5 Major Properties of KYOWA Strain Gages Major Properties of KYOWA Strain Gages For general stress For composite materials, plastics and rubber Product name/ series designation General-purpose foil strain gages KFG Foil strain gages KFR For general purpose For sensing element of transducers For concrete Concentrated stress Residual stress Bolt axial tension Foil strain gages with temperature sensor KFGT Strain at middle temperatures; for transducers Concentrated stress Waterproof foil strain gages KFW Small-sized waterproof foil strain gages KFWS Weldable waterproof foil strain gages KCW Wire strain gages KC Embedded strain gages KM Concrete-embedded strain gages KMC Foil strain gages for composite materials KFRP Foil strain gage for printed boards KFRS Foil strain gages for plastics KFP Foil strain gage for low-elasticity materials KFML Resistive element CuNi alloy foil CuNi alloy foil NiCr alloy foil CuNi alloy foil CuNi alloy foil NiCr alloy foil CuNi alloy wire CuNi alloy CuNi alloy wire NiCr alloy foil NiCr alloy foil CuNi alloy foil CuNi alloy foil Materials Base Paper base + phenol-epoxy Stainless steel Paper base + phenol-epoxy Acrylate Silicone Paper base + phenol-epoxy Phenol-epoxy Operating temperature ranges in combination with major adhesives after curing () * CC-6 EP-4B EP-40 PC-600 PC-600 EP-4B EP-40-96~0-0~00-55~50-55~50-96~50-96~50-55~50-55~50 CC-5-0~0 CC-6 EP-4B EP-40 PC-600 CC-6 EP-4B EP-40 PC-600 EP-8 EP-4B CC-6 EP-4B PC-600 PC-600 EP-4B PC-600 EP-4B EP-40 CC-6 EP-80 EP-80-96~0-0~00-55~50-55~50-96~50-96~0-0~00-55~50-55~50-96~50 Room temp. to 50-0~0-0~00-0~0-0~0-96~50-96~0-55~50-96~50-96~0-55~50-55~50-0~80-0~80-0~80-0~80-0~80 (Spot welding) -0~00 CC-5-0~0 (Embedment) -0~70 (Embedment) Room temp. to 70 EP-4B PC-600 EP-4B CC-6-55~00-96~0-96~0-96~50-0~80-0~80-0~80 0~60 Selftemperaturecompensation range () 0~00 0~00 0~00 0~00 0~00 0~50 0~00 0~50 0~50 0~80 0~ ~90 0~60 0~50 0~50-0~0 Applicable linear expansion coefficient (x0 6 /) 69 0~80 65 Strain limit at room temp. (approx. %) * Fatigue life at room temp., approx. (times) * A Ref. Page For ultra-small strain Semiconductor strain gages KSP Ultra-small strain For sening element of highly sensitive transducers Ultra-small strain; - element, temperaturecompensation type Self-temperature-compensation semiconductor strain gages KSN High-output semiconductor gages KSPH Ultra linear semiconductor gages KSPL P type Si P type Si P type Si N type Si N type Si P type Si P type Si Paper base + phenol-epoxy Paper base + phenol-epoxy Paper base + phenol-epoxy Paper base + phenol-epoxy Paper base + phenol-epoxy Paper base + phenol-epoxy CC-6 CC-6 CC-6 CC-6 CC-6 CC-6-50~0-0~00-50~0-0~00-50~0-0~00-50~0-0~00-50~0-0~00-50~0-0~00 0~70 0~ A 0 6 A 0 6 A 0 6 A 0 6 A 0 6 A Notes. Underlined adhesives are those used for strain limit tests at room temperature and for fatigue tests at room temperature.. Typical values with uniaxial gages. Strain limit is the mechanical limit where a difference between the strain reading and mechanical strain initiated by applying tension load exceeds 0%.. Typical values with uniaxial gages. Strain level: ±500 μm/m ; *A: ±000 μm/m; *B: ±500 μm/m, *C: ±00 μm/m.

17 -6 For high-temperature applications For low temp. For large strain For antimagnetic applications Product name/ series designation Encapsulated strain gages KHCX Heat-resistant special alloy wire Heat-resistant Encapsulated strain gages Heat-resistant (Spot welding) special alloy KHCV metal 5~800 wire Heat-resistant Encapsulated strain gages Heat-resistant (Spot welding) special alloy KHCR metal 5~750 wire Encapsulated strain gages KHCS Encapsulated strain gages KHCM Encapsulated strain gages KHC type 0 Encapsulated strain gages KHC type 0 High-temperature foil strain gages KFU High-temperature foil strain gages KH High-temperature foil strain gages KFH Low-temperature foil strain gages KFL Ultrahigh-elongation foil strain gages KFEM High-elongation foil strain gages KFEL Non-inductive foil strain gages KFN Shielded foil strain gages KFS Resistive element Heat-resistant special alloy wire Heat-resistant special alloy wire NiCr alloy wire NiCr alloy foil NiCr alloy foil NiCr alloy foil NiCr alloy foil CuNi alloy foil CuNi alloy foil NiCr alloy foil CuNi alloy foil (0) NiCr alloy foil (50) Materials Base Heat-resistant metal Heat-resistant metal Heat-resistant metal Heat-resistant metal Stainless steel Operating temperature ranges in combination with major adhesives after curing () * (Spot welding) -96~950 (Spot welding) -96~750 (Spot welding) (Spot welding) PC-600 EP-4B PI- PC-600 EP-70-96~650-96~50-55~00-96~50-69~50-96~0-69~0 5~950 5~750 5~750 5~650 0~00 0~00 (Dynamic ) ~ ~ (950).0 (800).0 (750).0 (750).0 (650) C 0 6 (950) B 0 6 (800) B 0 6 (750) B 0 6 (750) B 0 6 (650) A A A (00) B CC-6-0~80 0~0 0 6 CC-6-0~ PC-600 PC-600 EP-4B -96~550 PI- -96~50 (Spot welding) -50~50-96~50-96~0-96~50-96~0-55~50 Selftemperaturecompensation range () Room temp. to 500 Applicable linear expansion coefficient (x0 6 /) 6 Strain limit at room temp. (approx. %) * 0~50 6 0~ Fatigue life at room temp., approx. (times) * Ref. Page Major Properties of KYOWA Strain Gages under high-pressure hydrogen gas environment Foil Strain Gage for Hydrogen Gas KFV FeCr alloy foil PC-600-0~80-44 Internal strain Foil strain gages for bending strain KFF CuNi alloy foil Acrylate EP-80 EP-4B -50~80-50~80-50~80 0~ B With protector Foil strain gages with protector KCH CuNi alloy foil Protector: Stud bolt Strain gage EP-4B -40~00 A Crack CRACK Gages KV CuNi alloy foil Paper base+ phenol-epoxy CC-6 PC Notes. Underlined adhesives are those used for strain limit tests at room temperature and for fatigue tests at room temperature.. Typical values with uniaxial gages. Strain limit is the mechanical limit where a difference between the strain reading and mechanical strain initiated by applying tension load exceeds 0%.. Typical values with uniaxial gages. Strain level: 500μm/m; *A: 000μm/m; *B: 500μm/m, *C: 00μm/m -6

18 -7 Strain Gages with Pre-Attached Lead Cables Virtually all KYOWA strain gages are delivered with a leadwire cable pre-attached to ensure labor saving in gage bonding works by eliminating the need for soldering. Types and lengths of the leadwire cable selectable for each gage are as follows.virtually all KYOWA strain gages are delivered with a leadwire cable pre-attached to ensure labor saving in gage bonding works by eliminating the need for soldering. Types and lengths of the leadwire cable selectable for each gage are as follows. Applicable of Strain Gage Type of Leadwire Cable 5 cm 0 cm m m 5 m, etc. Length of Leadwire Cable KFG,KFR,KFRP, KFP,KFL,KFEL,KFEM Polyester-coated -wire copper cable -96 to 50 C N5C N0C NM Polyester-coated -wire copper cable -96 to 50 C N5C N0C NM Twisted in the cases of 50 cm or longer When ordering, specify the model of the strain gage and the code of the leadwire cable with a space in between. e.g. Vinyl-coated flat -wire cable -0 to 80 C Uniaxial L5CR L0CR LMR LMR L5MR of Strain Gage KFG--0-C- Multiaxial L5CS L0CS LMS LMS L5MS L-6, L-9 for 6 m or longer KFG,KFR,KFW,KFWS,KC, KFRP,KFP,KFEL,KFEM Vinyl-coated flat -wire cable -0 to 80 C Uniaxial L5CR L0CR LMR LMR L5MR Code of Leadwire Cable LMR Multiaxial L5CS L0CS LMS LMS L5MS L-7, L-0 for 6 m or longer Strain Gages with Pre-Attached Lead Cables Coating colors Note: KFEL and KFEM are available only with -wire system. For other leadwire cable lengths, contact us. Applicable of Strain Gage Type of Leadwire Cable KFG,KFR,KFRP,KFL Middletemperature -wire cable -00 to 50 C Middletemperature -wire cable -00 to 50 C KFN,KFS Vinyl-coated low-noise -wire cable -0 to 80 C Red Red KFRP,KFH, KFL Vinyl-coated low-noise -wire cable -69 to 50 C Hightemperature -wire cable -69 to 50 C 5 cm 0 cm m m 5 m, etc. R5C R0C RM RM R5M L- R5C R0C RM RM R5M L- J5C J0C JM JM J5M L- F5C F0C FM FM F5M L- H5C H0C HM HM H5M L-7 Length of Leadwire Cable KFU,KFH Red (independent) White White strand glass-coated Ni clad copper wire RT-80 C B5C B0C BM BM B5M Coating colors Grey Grey Red(independent) White Black Red(independent) White Black Red(independent) Blue Blue Black(independent) Yellow Green Red(independent) Blue White For other leadwire cable lengths, contact us. KFRS and concentrated stress KFR are provided standard with a leadwire cable 0 cm long. Encapsulated strain gages are provided standard with an MI cable m long and a soft cable 50 cm long. See page -0 for KCW,See page - for KM, See page -9 for KH,See page -4 for KFRS. -7

19 Leadwire Cables -8 L-Type Leadwire Cables Operating Temperature Range Room temp. to 50 C 0 to 80 C 69 to 50 C Room temp. to 50 C L- L- L- L-4 Type High-temperature leadwire Vinyl-coated flat -wire cable Fluororesin-coated high/low-temp. -wire cable High-temperature leadwire cable Conductor Material CuNi alloy Copper Silver-plated copper Nickel-clad copper Nominal Cross Section of Conductor (mm ) Number of Strands/ Wire Diam. (mm) Reciprocating Resistance per Meter (Ω) Coated Wire Diameter (mm) Unit Length (m) to 80 C L-5 Vinyl-coated flat -wire cable Copper Vinyl-coated flat -wire cable 0 to 80 C L-6 () Copper Vinyl-coated flat -wire cable 0 to 80 C 0 to 80 C 0 to 80 C L-7 () L-9 () L-0 () Vinyl-coated flat -wire cable Vinyl-coated flat -wire cable Copper Copper Copper Leadwire Cables 00 to 50 C L- Middle-temperature -wire cable Silver-plated copper to 50 C L- Middle-temperature -wire cable Silver-plated copper to 80 C L- Vinyl-coated normal-temperature low-noise -wire cable Tin-plated copper to 90 C L-4 Chloroprene-coated normal-temperature low-noise 4-wire cable Tin-plated copper to 50 C L-5 Fluoroplastic-coated high/low-temp. low-noise -wire cable Silver-plated copper to 50 C L-6 Fluoroplastic-coated high/low-temp. low-noise 4-wire cable Silver-plated copper to 50 C L-7 High/low-temperature -wire cable Nickel-plated copper These models have a suffix R, W, G, Y or B indicating the coating color; red, white, green, yellow or black. e.g. L-6B: Black vinyl coated.. These models have a suffix WR, WL or WY indicating the stripe color; red, blue or yellow on white vinyl coating. e.g. L-7WR: Red stripes on white coating. -8

20 -9 Strain Gages for General Stress General-purpose Foil Strain Gages in KFG Series Grid width Grid length (Gage length) base width Gage lead Base length The KFG series gages use polyimide resin for the base approximately m thick, ensuring excellent flexibility. Besides indoor, the outstanding moisture resistance lets them effectively perform outdoor. Unless directly exposed to waterdrops, no coating treatment is required. Applicable Adhesives and Operating Temperature Range after Curing -96~0 C ( 0 to 80 C with vinyl-coated cable attached) CC-5-0~0 C ( 0 to 80 C with vinyl-coated cable attached) CC-6-0~00 C ( 0 to 80 C with vinyl-coated cable attached) EP-4B -55~50 C ( 0 to 80 C with vinyl-coated cable attached) EP-40-55~50 C ( 0 to 80 C with vinyl-coated cable attached) PC ~50 C ( 0 to 80 C with vinyl-coated cable attached) Notes on pre-attached leadwire cables Standard color of the -wire cable pre-attached to uniaxial gages is red (R). If desired, a white, green, yellow or black cable can be pre-attached. Standard -wire cable pre-attached to uniaxial gages has red stripes. If desired, the red stripes can be changed to blue or yellow stripes. In the case of a triaxial gage, -wire cables are color-coded with red, white and green stripes for 0, 90 and, respectively and -wire cables, with red, yellow and blue stripes for 0, 90 and, respectively. The letter code is S in common. Strain Gages for General Stress Types, lengths and codes of leadwire cables pre-attached to KFG series gages Type Length Polyester-coated -wire copper cable C,C,C,C5, C6,D,D,D, D4,D6,D9,D6, D7,D9,D8, D9,D Polyester-coated -wire copper cable C,C,C, C5,C6, D,D4,D9, D6,D7,D9, D8,D 5 cm 0 cm m m 5 m N5C N0C NM N5C N0C NM Oprg. temp. range Remarks 96 to 50 C Twisted for 50 cm or longer (with some exception) Vinyl-coated flat -wire cable Vinyl-coated flat -wire cable Middle-temperature -wire cable C,C,C, C5,C6, D9,D9, For other leadwire cable lengths, contact us. D,D4, D6,D7, D8,D9, D9 C,C,C, C5,C6, D,D9,D9, D D,D4, D6,D7, D8,D9 C,C,C, C5,C6, D,D4,D9, D6,D7,D9, D8,D9 Middle-temperature -wire cable C,C,C, C5,C6, D,D,D4,D9, D6,D7,D9, D8,D,D9 L0CR L0CS L0CR L0CS R0C R0C LMR LMS LMR LMS RM RM LMR LMS LMR LMS RM RM L5MR L5MS L5MR L5MS R5M R5M -0 to 80 C -00 to 50 C L-6, L-9 for 6 m or longer L-7, L-0 for 6 m or longer L- L- When ordering, suffix the leadwire cable code to the model number with a space in between. Examples KFG-5-0-C- N0C for the gage with a polyester-coated -wire copper cable 0 cm long KFG-5-0-C- N0C KFG-5-0-C- L5MR for the gage with a vinyl-coated flat -wire cable 5 m long KFG-5-0-C- L5MR KFG-5-0-D7- L5MS for the gage with a vinyl-coated flat -wire cable 5 m long KFG-5-0-D7- L5MS KFG-5-0-C- R5M for the gage with a middle-temperature -wire cable 5 m long KFG-5-0-C- R5M KFG-5-0-D7- R5M for the gage with a middle-temperature -wire cable 5 m long KFG-5-0-D7- R5M If no leadwire cable code is suffixed, the gage is delivered with gage leads only (silver-clad copper wires 5 mm long) For the types of leadwire cables, refer to page -7 and

21 -0 Pattern, Gage Resistance, Gage Factor Corresponds to the Material Base color Dimensions (mm) Grid Base Length Width Length Width Remarks Uniaxial Silver-clad copper gage leads 5mm long Resistance : 0, Gage factor: Approx.. KFG-0-0-C Figure is KFG-0-0-C- KFG-0-0-C Figure is KFG-0-0-C-6 KFG-0-0-C Figure is KFG-0-0-C- KFG-6-0-C Figure is KFG-6-0-C-7 KFG-5-0-C Figure is KFG-5-0-C- KFG-4N-0-C Figure is KFG-4N-0-C-6 KFG--0-C Figure is KFG--0-C- KFG--0-C Figure is KFG--0-C-7 KFG-N-0-C Figure is KFG-N-0-C- KFG--0-C Figure is KFG--0-C-6 KFG-N-0-C Figure is KFG-N-0-C- KFG-0-0-C Figure is KFG-0-0-C-7 KFG-0-0-C Figure is KFG-0-0-C- KFG-0-0-C- KFG-0-0-C-6 KFG-0-0-C- KFG-0-0-C-7 KFG-0-0-C- KFG-0-0-C-6 KFG-0-0-C- KFG-0-0-C-7 KFG-0-0-C- KFG-0-0-C-6 KFG-0-0-C- KFG-0-0-C-7 KFG-6-0-C- KFG-6-0-C-6 KFG-6-0-C- KFG-6-0-C-7 KFG-5-0-C-5 KFG-5-0-C- KFG-5-0-C-6 KFG-5-0-C- KFG-5-0-C-7 KFG-4N-0-C- KFG-4N-0-C-6 KFG-4N-0-C- KFG-4N-0-C-7 KFG--0-C- KFG--0-C-6 KFG--0-C- KFG--0-C-7 KFG--0-C-5 KFG--0-C- KFG--0-C-6 KFG--0-C- KFG--0-C-7 KFG-N-0-C- KFG-N-0-C-6 KFG-N-0-C- KFG-N-0-C-7 KFG--0-C- KFG--0-C-6 KFG--0-C- KFG--0-C-7 KFG-N-0-C- KFG-N-0-C-6 KFG-N-0-C- KFG-N-0-C-7 KFG-0-0-C- KFG-0-0-C-6 KFG-0-0-C- KFG-0-0-C-7 KFG-0-0-C- KFG-0-0-C-6 KFG-0-0-C- KFG-0-0-C-7 Common steel Stainless steel Aluminum Magnesium alloy (Linear expansion coefficient based on the base color to distinguish) For lumber For lumber A minimum quantity 0 piece Strain Gages for General Stress -0

22 - Strain Gages for General Stress Pattern, Gage Resistance, Gage Factor Biaxial, 0 /90 stacked rosette Resistance : 0Ω, Gage factor: Approx.. Figure is KFG-0-0-D6- KFG-0-0-D6- KFG-0-0-D6-6 KFG-0-0-D6- KFG-0-0-D6-7 KFG-5-0-D6- KFG-5-0-D6-6 KFG-5-0-D6- KFG-5-0-D6-7 KFG--0-D6- KFG--0-D6-6 KFG--0-D6- KFG--0-D6-7 KFG--0-D6- KFG--0-D6-6 KFG--0-D6- KFG--0-D6-7 KFG--0-D6- KFG--0-D6-6 KFG--0-D6- KFG--0-D6-7 Triaxial, 0 /90 /stacked rosette for Stress Analysis Resistance : 0, Gage factor: Approx.. 90 Figure is KFG-0-0-D7- Biaxial, 0 /90 plane arrangement Resistance : 0, Gage factor: Approx.. KFG-0-0-D7- KFG-0-0-D7-6 KFG-0-0-D7- KFG-0-0-D7-7 KFG-5-0-D7- KFG-5-0-D7-6 KFG-5-0-D7- KFG-5-0-D7-7 KFG--0-D7- KFG--0-D7-6 KFG--0-D7- KFG--0-D7-7 KFG--0-D7- KFG--0-D7-6 KFG--0-D7- KFG--0-D7-7 KFG--0-D7- KFG--0-D7-6 KFG--0-D7- KFG--0-D7-7 Corresponds to the Material Base color Dimensions (mm) Grid Base Length Width Length Width Remarks Figure is KFG--0-D- 90 KFG--0-D- KFG--0-D-6 KFG--0-D- KFG--0-D Biaxial, 0 /90 for Torgue Resistance : 0 Gage factor:approx.. - Figure is KFG--0-D- KFG--0-D- KFG--0-D-6 KFG--0-D- KFG--0-D A minimum quantity 0 piece

23 - Pattern, Gage Resistance, Gage Factor Corresponds to the Material End color Dimensions (mm) Grid Base Length Width Length Width Remarks Biaxial, 0 /90 for Torque Resistance : 0Ω, Gage factor: Approx.. Figure is KFG--0-D- Triaxial, 0 /90 / Resistance : 0, Gage factor: Approx.. KFG--0-D- KFG--0-D-6 KFG--0-D- KFG--0-D Figure is KFG--0-D-6 KFG--0-D- KFG--0-D-6 KFG--0-D- KFG--0-D-7.6 Triaxial, 0 /0 /40 Resistance : 0, Gage factor: Approx.. 0 Figure is KFG--0-D4-6 Quadraxial, 0 /0 /90 /50 Resistance : 0, Gage factor: Approx KFG--0-D4- KFG--0-D4-6 KFG--0-D4- KFG--0-D4-7 KFG--0-D4- KFG--0-D4-6 KFG--0-D4- KFG--0-D Strain Gages for General Stress 0 Figure is KFG--0-D6-0 KFG--0-D6- KFG--0-D6-6 KFG--0-D6- KFG--0-D Uniaxial, with lead at both ends Resistance : 0, Gage factor: Approx.. Figure is KFG--0-C-7 Figure is KFG--0-C-7 KFG--0-C- KFG--0-C-6 KFG--0-C- KFG--0-C-7 KFG--0-C- KFG--0-C-6 KFG--0-C- KFG--0-C A minimum quantity 0 piece -

24 - Pattern, Gage Resistance, Gage Factor Corresponds to the Material End color Dimensions (mm) Grid Base Length Width Length Width Remarks Uniaxial, for shearing strain Resistance : 0Ω, Gage factor: Approx.. Figure is KFG--0-C5- Figure is KFG--0-C6- Uniaxial 5-element, for concentrated stress Resistance : 0, Gage factor: Approx.. Torque is possible by using C5 and C6 in combination. KFG--0-C5- KFG--0-C5-6 KFG--0-C5- KFG--0-C5-7 KFG--0-C6- KFG--0-C6-6 KFG--0-C6- KFG--0-C Strain Gages for General Stress P Pitch Figure is KFG--0-D9-6 N0C P = mm for gage length mm P = mm for gage length mm P P = mm for gage length mm P = mm for gage length mm Pitch Figure is KFG--0-D9-6 N0C KFG--0-D9- N0C KFG--0-D9-6 N0C KFG--0-D9- N0C KFG--0-D9-7 N0C KFG--0-D9- N0C KFG--0-D9-6 N0C KFG--0-D9- N0C KFG--0-D9-7 N0C KFG--0-D9- N0C KFG--0-D9-6 N0C KFG--0-D9- N0C KFG--0-D9-7 N0C KFG--0-D9- N0C KFG--0-D9-6 N0C KFG--0-D9- N0C KFG--0-D9-7 N0C Biaxial 5 element stacked rosette (for stress concentration ) Resistance : 0, Gage factor: Approx.. Upper side gage pattern Aminimum quantity 5 piece Aminimum quantity 5 piece Aminimum quantity 5 piece Aminimum quantity 5 piece P Pitch Pmm Lower side gage pattern - Figure is KFG--0-D9- N0C Uniaxial 60Ω gages Resistance : 60, Gage factor: Approx.. Figure is KFG-5-60-C-7 KFG--0-D9- N0C KFG--0-D9-6 N0C KFG--0-D9- N0C KFG--0-D9-7 N0C Use gages in parallel connection (bending compensation possible). KFG-5-60-C- KFG-5-60-C-6 KFG-5-60-C- KFG-5-60-C-7 KFG--60-C- KFG--60-C-6 KFG--60-C- KFG--60-C Figures in parentheses are for lower side gages. A minimum quantity 0 piece

25 -4 Pattern, Gage Resistance, Gage Factor Corresponds to the Material End color Dimensions (mm) Grid Base Length Width Length Width Remarks Uniaxial 50Ω gages Resistance : 50Ω, Gage factor: Approx.. Figure is KFG-5-50-C- KFG-5-50-C- KFG-5-50-C-6 KFG-5-50-C- KFG-5-50-C-7 KFG--50-C- KFG--50-C-6 KFG--50-C- KFG--50-C-7 KFG--50-C- KFG--50-C-6 KFG--50-C- KFG--50-C-7 KFG--50-C- KFG--50-C-6 KFG--50-C- KFG--50-C Biaxial 50Ω gages, 0 /90 stacked rosette Resistance : 50, Gage factor: Approx.. 90 Figure is KFG-5-50-D6-6 KFG-5-50-D6- KFG-5-50-D6-6 KFG-5-50-D6- KFG-5-50-D6-7 KFG--50-D6- KFG--50-D6-6 KFG--50-D6- KFG--50-D6-7 KFG--50-D6- KFG--50-D6-6 KFG--50-D6- KFG--50-D6-7 KFG--50-D6- KFG--50-D6-6 KFG--50-D6- KFG--50-D6-7 Triaxial 50Ω gages, 0 /90 / stacked rosette Resistance : 50, Gage factor: Approx Strain Gages for General Stress Figure is KFG-5-50-D7-7 KFG-5-50-D7- KFG-5-50-D7-6 KFG-5-50-D7- KFG-5-50-D7-7 KFG--50-D7- KFG--50-D7-6 KFG--50-D7- KFG--50-D7-7 KFG--50-D7- KFG--50-D7-6 KFG--50-D7- KFG--50-D7-7 KFG--50-D7- KFG--50-D7-6 KFG--50-D7- KFG--50-D A minimum quantity 0 piece -4

26 -5 Pattern, Gage Resistance, Gage Factor Corresponds Dimensions (mm) to the Material Grid Base End color Length Width Length Width Remarks Biaxial 50Ω gages, 0 /90 Resistance : 50Ω, Gage factor: Approx.. Figure is KFG--50-D-6 90 KFG--50-D- KFG--50-D-6 KFG--50-D- KFG--50-D Biaxial 50Ω gages for torque, 0 /90 Resistance : 50, Gage factor: Approx.. Strain Gages for General Stress Figure is KFG--50-D- Figure is KFG--50-D- Uniaxial 500Ω gages for transducers Resistance : 500, Gage factor: Approx.. Figure is KFG C-7 KFG--50-D- KFG--50-D-6 KFG--50-D- KFG--50-D-7 KFG--50-D- KFG--50-D-6 KFG--50-D- KFG--50-D-7 KFG C- KFG C-6 KFG C- KFG C-7 KFG--500-C- KFG--500-C-6 KFG--500-C- KFG--500-C Uniaxial 000Ω gages for transducers Resistance : 000, Gage factor: Approx.. -5 Figure is KFG-5-K-C-7 KFG-5-K-C- KFG-5-K-C-6 KFG-5-K-C- KFG-5-K-C-7 KFG--K-C- KFG--K-C-6 KFG--K-C- KFG--K-C A minimum quantity 0 piece

27 -6 Pattern, Gage Resistance, Gage Factor KFG Series Foil Strain Gages with Gage Terminal Uniaxial Resistance : 0Ω, Gage factor : Approx.. (When the clip-equipped dedicated cable is used, the operatjng temperature range of each adhesive after curing is 0 to 80 C.) Figure is KFG--0-C- T-F7 Biaxial, 0 /90 stacked rosette Resistance : 0, Gage factor : Approx.. Figure is KFG--0-D6-6 T-F7 Triaxial, 0 /90 / stacked rosette Resistance : 0, Gage factor : Approx.. Figure is KFG--0-D7- T-F7 KFG Series Foil Strain Gages for Boring Method Triaxial, 0 /5 /90 Resistance : 0, Gage factor : Approx Figure is KFG--0-D8-7 5 KFG Series Foil Strain Gages for Measuring Axial Tension of Bolts Uniaxial Resistance : 0 Gage factor : Approx..9 T-C6 90 For KFG gages with the leadwire cable pre-attached, refer to page -9. Applicable Adhesives and Operating Temperature Range after Curing PC ~50 C PC-B -96~50 C CC-6-0~00 C KFG--0-C- T-F7 KFG--0-C-6 T-F7 KFG--0-C- T-F7 KFG--0-C- T-F7 KFG--0-C-6 T-F7 KFG--0-C- T-F7 KFG--0-D6- T-F7 KFG--0-D6-6 T-F7 KFG--0-D6- T-F7 KFG--0-D6- T-F7 KFG--0-D6-6 T-F7 KFG--0-D6- T-F7 KFG--0-D7- T-F7 KFG--0-D7-6 T-F7 KFG--0-D7- T-F7 KFG--0-D7- T-F7 KFG--0-D7-6 T-F7 KFG--0-D7- T-F7 Designed to measure residual stress released through the boring method. Applicable Adhesives and Operating Temperature Range after Curing -96~0 C CC-5-0~0 C CC-6-0~00 C KFG--0-D8- KFG--0-D8-6 KFG--0-D8- KFG--0-D8-7 KFG-.5-0-D8- KFG-.5-0-D8-6 KFG-.5-0-D8- KFG-.5-0-D8-7 Corresponds to the Material End color EP-4B -55~50 C EP-40-55~50 C PC-60-96~50 C Dimensions (mm) Grid Base Length Width Length Width KFG gages equipped with a gage terminal enable one touch connection/disconnection of the leadwire cable. They are suitable for residual stress with the cutting method. A clip equipped dedicated cable T-C6 (vinyl-coated, m long) is optionally available. -96~0 C CC-5-0~0 C Polyester-coated copper cable 5 mm long 0.4 Polyester-coated copper cable 5 mm long 0.4 Polyester-coated copper cable 5 mm long 0.4 Polyester-coated copper cable 5 mm long 0.4 Polyester-coated copper cable 5 mm long 0.4 Polyester-coated copper cable 5 mm long Gage center diameter 0.8 Gage center diameter 5.5 If it is difficult to bond a strain gage to the surface of a bolt for measuring the tightening stress, these gages enable the by embedding into a hole, mm diameter, bored through the top head of the bolt. They are applicable to materials having a linear expansion coefficient of μm/m C Remarks Strain Gages for General Stress 0.4 Polyester-coated copper cable 5 mm long Length from the tip of base to the center of grid L KFG-.7mm KFG-.5.75mm L Applicable Adhesives and Operating Temperature Range after Curing EP-80 Normal temperature to 50 EP-4B Normal temperature to 50 KFG--0-C0- KFG-.5-0-C0-.5 app. 6 app Aminimum quantity 5 piece.9 Bore diameter.9 Bore diameter A minimum quantity 0 piece -6