Differential reure reotat Swi baed Trafag i a leading international upplier of high quality enor and monitoring intrument for meaurement of preure and temperature. Application Shipbuilding Engine manufacturing Railway Machine tool Hydraulic Feature Rugged aluminium houing rotection I5 Any mounting poition poible Data heet 02/2017 Technical Data Meauring principle Bellow Repeatability ± 1.0 % FS typ. Meauring range -1... to -1... 18 bar Media temperature -40 C... +150 C Differential preure -0.... 3.4 to 1... 1 bar Ambient temperature -25 C... +70 C Output ignal 1 Floating change-over contact (SDT) Approval / conformity ABS, BV, CCS, DNV, GL, KRS, LRS, RINA EN0730-1/ EN0730-2-: Typ 2.B.H Switching differential Not adjutable Subject to change Trafag Senor & Control Switzerland Indutrietrae 11 808 Bubikon Tel. +41 44 922 32 32 Fax +41 44 922 32 33 www.trafag.com trafag@trafag.com
Ordering information/type code Cutom build code XXX XX XX XXX XX XX With diplay and adjuting crew 920 Without diplay, with adjuting crew 924 With diplay and adjuting knob 932 Microwitch Small witching differential, tandard vibration reitance 1) 2) 10 Average witching differential, tandard vibration reitance 1) 11 Average witching differential, increaed vibration reitance 1) 23 Large witching differential, high vibration reitance 1) 2 With gold plated contact, tandard vibration reitance 1) 21 Range Range Differential preure Over preure Burt preure -1... -0.... 3.4 12 2 74-1... 0... 4 12 2 7-1... 8 0... 12 2 77-1... 12 1... 10 24 3 78-1... 18 1... 1 24 3 79 Senor Senor material Senor houing material Range Thread Bellow: 1.4435, medium contact. part 1.4435 Bra nickel plated 74 G1/4" female 830 Bellow: 1.4435, medium contact. part 1.4435 Bra nickel plated 74 G1/8" female 831 Bellow: 1.4435, medium contact. part 1.4435 Bra nickel plated 74 G1/2" male 832 Bellow: 1.4435, medium contact. part 1.4435 Bra nickel plated 7, 77 G1/8" female 833 Bellow: 1.4435, medium contact. part 1.4435 Bra nickel plated 7, 77 G1/2" male 834 Bellow: 1.4435, medium contact. part 1.4435 Bra nickel plated 7, 77 G1/4" female 837 Bellow: 1.4435, medium contact. part 1.4435 Bra nickel plated 78, 79 G1/8" female 835 Bellow: 1.4435, medium contact. part 1.4435 Bra nickel plated 78, 79 G1/2" male 83 Bellow: 1.4435, medium contact. part 1.4435 Bra nickel plated 78, 79 G1/4" female 838 Bronze Bra 74 G1/4" female 930 Bronze Bra 74 G1/8" female 931 Bronze Bra 74 G1/2" male 932 Bronze Bra 7, 77 G1/8" female 933 Bronze Bra 7, 77 G1/2" male 934 Bronze Bra 7, 77 G1/4" female 937 Bronze Bra 78, 79 G1/8" female 935 Bronze Bra 78, 79 G1/2" male 93 Bronze Bra 78, 79 G1/4" female 938 Bronze Bra chemically nickel plated 74 G1/4" female 980 Bronze Bra chemically nickel plated 74 G1/8" female 981 Bronze Bra chemically nickel plated 74 G1/2" male 982 Bronze Bra chemically nickel plated 7, 77 G1/8" female 983 Bronze Bra chemically nickel plated 7, 77 G1/2" male 984 Bronze Bra chemically nickel plated 7, 77 G1/4" female 987 Bronze Bra chemically nickel plated 78, 79 G1/8" female 985 Bronze Bra chemically nickel plated 78, 79 G1/2" male 98 Bronze Bra chemically nickel plated 78, 79 G1/4" female 988 Fixing Direct on enor or houing 00 By mounting bracket 31 page 2/
XXX XX XX XXX XX XX Acceorie Lead eal (manipulation protection) 1 Screwed cable gland (EN5022) 07 Screwed cable gland M24x1.5 (DIN89280) 27 Screwed cable gland M18x1.5 (DIN89280) 40 Adapter G1/8" male - G1/2" male, Bra A Adapter G1/8" male - G1/2" male, Bra nickel plated B Adapter G1/8" male - G1/2" male, Stainle teel 1.4435 D Adapter G1/8" male - G1/4" female, Bra A5 Adapter G1/8" male - G1/4" female, Bra nickel plated B5 Adapter G1/8" male - G1/4" female, Stainle teel 1.4435 D5 Damping element and nubber ee data heet H72258 1) Switching differential not adjutable 2) Not uitable for application under vibration Standard product (extra hort lead time) roduct No. Type Code reure range Differential preure Over preure max. Switching differential Length X [mm] D3.4 920 2374 931-1... + -0.... +3.4 12 0.1 (fixed) 77 D 920 2377 933-1... +8 0... 12 0.1 (fixed) 77 D1 920 2379 935-1... 18 1... 1 24 0.4 (fixed) 87 7.5 (10.) 10 91 40.5 18 90 9 Ø 5.5 X Ø 8. 11.5 SW41 Ø 45 G1/8 x11 max 23. G1/8 x10 page 3/
Specification Accuracy Repeatability ± 1.0 % FS typ. Scale accuracy typ. Switching differential Adjutment range witchpoint 1) ± 2.0 % FS typ. See table 10%... 90% FS Environmental condition Ambient temperature -25 C... +70 C Media temperature Storage temperature rotection Humidity -40 C... +150 C -25 C... +85 C I5 Max. 95 % relative Vibration Switch 23/2: 5...25 Hz: ±1. mm 25...100 Hz: 4g Shock 50g/ 11m Mechanical Data Senor See ordering information Houing Sealing Screwed cable gland Mounting torque Intallation Weight AlSi10Mg/ Epoxy coated NBR Bra nickel plated Max. 25 Nm any poition ~ 10 g Microwitch Rating See table Reitance of inulation > 2 MΩ Dielectric trength U 250V: 1.45 kv/ U 500V: 2 kv terminal ground Life time (mechanical) Microwitch 10/11: 20 Mio. cycle Microwitch 21: 0.5 Mio. cycle Microwitch 23/2: 0.3 Mio. cycle Electrical connection Electrical connection Terminal crew Cable gland Terminal crew Cable-Ø...13 mm 3 x 1.5...4 mm² 1) Other adjutment range upon requet Additional information Document Data heet www.trafag.com/h72253 Intruction www.trafag.com/h7325 Flyer www.trafag.com/h70914 page 4/
Dimenion D 920/924/932 7.5 90 9 (10.) 10 91 Ø 8. 40.5 18 X Ø 5.5 1 12 G1/4" female Ø 20.5 SW19 G1/4 12 10 G1/8" female G1/8 11.5 SW41 Ø 45 G1/8 x11 20 max G1/2 23. G1/8 x10 G1/2" male Dimenion X and Y ee data heet H72271 920.XX.XX.XXX.XX.XX 924.XX.XX.XXX.XX.XX 932.XX.XX.XXX.XX.XX 2 x Ø 7 SW24 M20 x 1.5 Cable-Ø 14...1.5 Ø 28 (M20 x 1.5) Cable-Ø 8...10.5 Ø 22 (M20 x 1.5) 120 103 27.5 3 32 7.5 45.5 22.5 23 91 10 17 18 40.5 Cable-Ø 5...10 9XX.XX.XX.XXX.XX.07 M24 x 1.5 9XX.XX.XX.XXX.XX.27 M24x1.5 M18 x 1.5 9XX.XX.XX.XXX.XX.40 M18x1.5 9XX.XX.XX.XXX.31.XX Ø 20.5 SW19 G1/8 G1/8 (8) 20 28 8 SW22 20 38 A5 / B5 / D5 G1/4 G1/2 A / B / D page 5/
Switching differential typ. @ 25 C Range of piton enor -1... -1... 8 Microwitch 10 Switching differential (not adjutable) Microwitch 11/21/23 Switching differential (not adjutable) Microwitch 2 Switching differential (not adjutable) -1... 12-1... 18 0.08 0.2 0.1 0.4 0.25 0.5 Electrical data witch Rating Reitive Load (Inductive Load) Type Feature AC DC 10 Small witching differential (not recommended for application under vibration) 11 Average witching differential, tandard vibration reitance 23 2 Average witching differential, increaed vibration reitance Large witching differential, high vibration reitance 21 With gold plated contact, tandard vibration reitance 125 V, 10 (1.5) A 250 V, 10 (1.25) A 125 V, 15 (1.5) A 250 V, 15 (1.25) A 500 V, 10 (0.75) A 125 V, 15 (1.5) A 250 V, 15 (1.25) A 500 V, 10 (0.75) A 125 V, 15 (1.5) A 250 V, 15 (1.25) A 500 V, 10 (0.75) A 24 V, 0.1 (0.1) A 12 V, 1.0 (1.0) A 5 V, 2.0 (2.0) A 250 V, 0.2 (0.02) A 125 V, 0.4 (0.03) A 30 V, 2 (1) A 14 V, 15 (2.5) A 250 V, 0.25 (0.03) A 125 V, 0.5 (0.05) A 30 V, (1.5) A 14 V, 15 (1.5) A 250 V, 0.3 (0.05) A 125 V, 0. (0.1) A 30 V, 15 (1.5) A 14 V, 15 (1.5) A 250 V, 0.3 (0.2) A 125 V, 0.75 (0.4) A 30 V, 15 (1.5) A 14 V, 15 (1.5) A 24 V, 0.1 (0.1) A 12 V, 1.0 (1.0) A 5 V, 2.0 (2.0) A Electrical Connection 2 1 4 2 1 4 Switch 10/11/23 Switch 21/2 page /