Primary Standards for Temperature Calibration

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1 Primary Standards for Temperature Calibration Standards Platinum Resistance Thermometers and Standards Thermocouples SPRTs Model R TPW Range Ω 200 C to 661 C 670 (DB1/30) Ω 200 C to 480 C Meyers (DB1/29) Ω 0 C to 1070 C (DB1/32) 962 (DB2/36) Ω 0 C to 1070 C Ω 200 C to 661 C 909/25.5 (DB2/34) Ω 200 C to 661 C /25.5 (DB2/35) Ω 260 C to 232 C Ω 200 C to 500 C Gold/Platinum Thermocouple Model Range 5629 Au-Pt TC 0 C to 1000 C Pt/Au TC (DB2/45) Fixed-Points - Triple Point of Water, Metal Freeze Point Cells, Triple Point of Mercury Fixed-Point Cells Model Description Temperature 5901X Triple Point of Water (TPW) 0.01 C Jarrett-Isotech (DB1/6)

2 5903 Melting Point of Gallium C ITL-M (DB1/11) 5943 Melting Point of Gallium, SST C ITL-M-17401M (DB2/28) 5904 Freezing Point of Indium C ITL-M-17668S (DB1/15) 5905 Freezing Point of Tin C ITL-M-17669S (DB1/15) 5906 Freezing Point of Zinc C ITL-M-17671S (DB1/15) 5907 Freezing Point of Aluminum C ITL-M-17672S (DB1/15) 5908 Freezing Point of Silver C ITL-M-17673S (DB1/15) 5909 Freezing Point of Copper C ITL-M-17674S (DB1/15) 5924 Open Freezing Point of Indium C ITL-M-17668O (DB1/15) 5925 Open Freezing Point of Tin C ITL-M-17669O (DB1/15) 5926 Open Freezing Point of Zinc C ITL-M-17671O (DB1/15) 5927 Open Freezing Point of Aluminum C ITL-M-17672O (DB1/15) 5928 Open Freezing Point of Silver C ITL-M-17673O (DB1/15) 5929 Open Freezing Point of Copper C ITL-M-17674O (DB1/15) 5901B Mini Triple Point of Water 0.01 C B8 (DB2/27) B12 (DB2/23) 5914A Mini Freezing Point of Indium C ITL-M (DB2/30) 5915A Mini Freezing Point of Tin C ITL-M (DB2/30) 5916A Mini Freezing Point of Zinc C ITL-M (DB2/30) 5917A Mini Freezing Point of Aluminum C ITL-M (DB2/30) 5918A Mini Freezing Point of Silver C ITL-M (DB2/30) 5919A Mini Freezing Point of Copper C ITL-M (DB2/30) 5944 Mini Freezing Point of Indium C ITL-M (DB2/30) 5945 Mini Freezing Point of Tin C ITL-M (DB2/30) 5946 Mini Freezing Point of Zinc C ITL-M (DB2/30) 5931 Triple Point of Water X Cell 0.01 C 5933 Melting Point of Gallium X Cell C ITL-M-17401M (DB2/28) 5934 Freezing Point of Indium X Cell C ITL-M-17668M (DB2/28) 5900 Triple Point of Mercury C ITL-M (DB1/12)

3 Primary Standards Maintenance Apparatus Apparatus Model Features/Use 7312 Maintains: two TPW cells. Compact size, runs quietly. Comparisons: 5 C to. Hydra 798M & (DB2/12&13) 7012 Maintains: triple point of water and gallium cells. Comparisons: 10 C to Maintains: triple point of mercury, water and gallium cells. Comparisons: 40 C to. ITL-M (DB1/8) ITL-M-17402B (DB2/11) ITL-M (DB1/12) ITL-M (DB1/8) ITL-M-17402B (DB2/11) 9210 Maintains: mini triple point of water and mini gallium cells. Comparisons: 10 C to Maintains: stainless steel gallium cell. Comparisons: 15 C to 35 C Maintains: indium, tin, zinc, and aluminum cells. Comparisons: 50 C to 680 C Maintains: indium, tin, zinc, and aluminum cells. Comparisons: 100 C to 680 C. Europa-6 (DB2/26) Venus 2140 (DB3/18) Europa-6 (DB2/26) Venus 2140 (DB3/18) 511 Medusa 3 (DB3/38&39) ITL-M Maintains: aluminum and silver cells. Comparisons: 550 C to 1000 C Maintains: aluminum, silver, gold, and copper cells. Comparisons: 400 C to 1100 C Anneals SPRTs, HTPRTs, and thermocouples to 1100 C. Protects them against contamination from metal ions. ITL-M-17702P (DB1/24) (DB1/27) ITL-M-17702S (DB1/24) 465 (DB1/27) 414 (DB1/28) 7196 Affordable substitute for a triple point of argon system. Provides for low-temperature comparison calibrations at approximately 196 C with uncertainties of 2 mk. 461 (DB2/33) ppm accuracy for calibration of standard resistors and SPRTs. 13:1 measurement ratio allows resolution to mk. TTI-3 (DB1/36) 742A Excellent performance without oil or air baths. Values from 10 ohm to 10 megohm. 456 (DB2/42) 5430 Highest stability oil-filled resistors (< 2 ppm/year drift). AC cal uncertainty to 3 ppm. Standard Resistors S.R. (DB1/40)

4 Thermometer Readouts Readouts Model Probe Types Accuracy Features 1521 PRTs, ±0.0 Battery-powered, handheld ASL F100 Thermistors thermometer; INFO-CON connector reads coefficients without programming PRTs, ±0.0 Stores up to 10,000 readings, plus ASL F100 Thermistors 100 more on demand; reads PRTs and thermistors (calibrated or uncalibrated) interchangeably. 1502A PRTs ±0.006 C Resolution of C and ASL F200 accuracy to match; uses ITS-90, IPTS-68, CVD, or DIN (IEC 751) conversions HTPRTs ±0.020 C Compact, accurate readout for high-temp PRTs; reads 0.25-, 2.5-, 3-, and 5-ohm PRTs Thermistors ±0.003 C Reads thermistors from 0 to 1 MW; uses Steinhart-Hart and CVD PRTs, ±0.006 C Four channels can all be measured TTI-7 PLUS (DB3/56) Thermistors, simultaneously; battery-powered; Thermocouples logs up to 8,000 readings; flexible display Accepts any combination of the eight modules below; all are easily TTI-7 PLUS (DB3/56) TTI-6 (DB3/58) added to and removed from the 1560 base PRTs ±0.005 C 2 channels of 25W or 100W PRTs. 956 (DB3/61) 2561 HTPRTs ±0.013 C 2 channels to 1200 C PRTs ±0.01 C 8 channels of 2-, 3-, or 4-wire RTDs. TTI-7 internal scanner with 2 PRT input cards to give 8 channels. Only for TTI PRT switch box for 8 channels. Max of 2 boxes for 16 channels. Can use with TTI-7 and TTI-6.

5 2563 Thermistors ± C 2 channels of resolution to C Thermistors ± channels for data acquisition Thermocouples ±0.05 C Reads all TC types with mv Built-in to TTI-7. resolution Thermocouples ±0.1 C Reads any combination up to 12 channels of virtually any type of TC. TTI-7 internal scanner with 2 TC input cards to give 8 channels. Only for TTI TC switch box for 8 channels. Max of 2 boxes for 16 channels Ω PRTs ± channels of high-resistance PRTs Ω PRTs ± channels of high-resistance PRTs SPRTs, ±0.001 C 4 ppm accuracy; resolution to TTI-2 (DB2/38) Thermistors C for SPRTs and C for thermistors; 2 channels; add 10 more channels with a mux SPRTs, ± ppm accuracy; patented DWF TTI-2 (DB2/38) Thermistors C connectors; color display; add up to 50 channels with muxes. PRTs, Thermistors, Thermocouples and Liquid in Glass Thermometers Reference Probes Model Range Basic Accuracy PRTs Secondary Standards PRTs C to 661 C ±0.007 C at 0 C /100 (DB2/35) C to 661 C ±0.006 C at 0 C /25.5 (DB2/35) Secondary Reference PRTs C to 420 C ±0.018 C at 0 C Semi-Std PRT (DB3/63) C to ±0.018 C at 0 C Semi-Std PRT (DB3/63) C to 420 C ±0.018 C at 0 C Semi-Std PRT (DB3/63)

6 Precision Industrial PRTs C to ±0.05 C at 0 C Semi-Std PRT (DB3/63) C to 420 C ±0.05 C at 0 C Semi-Std PRT (DB3/63) C to 420 C ±0.05 C at 0 C Semi-Std PRT (DB3/63) Fast Response PRTs C to 350 C ±0.04 C at 0 C Semi-Std PRT (DB3/63) C to 350 C ±0.04 C at 0 C Semi-Std PRT (DB3/63) C to 350 C ±0.04 C at 0 C Semi-Std PRT (DB3/63) C to 350 C ±0.04 C at 0 C Semi-Std PRT (DB3/63) Small Diameter Industrial PRTs 5618A C to ±0.05 C 5618A C to 500 C ±0.05 C 5618A C to 500 C ±0.05 C Thermistors Thermistor Standards C to 60 C ± C C to 60 C ±0.001 C C to 60 C ±0.001 C C to 100 C ± C to 100 C ±0.00 Secondary Thermistor Probes C to 100 C ±0.015 C C to 100 C ±0.015 C C to 100 C ±0.015 C C to 70 C ±0.07 C Thermocouples Type R (5649) and Type S (5650) Thermocouple Standards C C C C 0 C to 1450 C ±0.7 C at 1100 C 1600 (DB1/44) 1600 NCJ (DB2/37) 0 C to 1450 C ±0.7 C at 1100 C 1600 (DB1/44) 1600 NCJ (DB2/37) 0 C to 1450 C ±0.7 C at 1100 C 1600 (DB1/44) 1600 NCJ (DB2/37) 0 C to 1450 C ±0.7 C at 1100 C 1600 (DB1/44) 1600 NCJ (DB2/37)

7 Temperature Calibration, Data Logging, & ITS-90 Coefficient Calculation Software INTERFACE-IT (Model 9930) Version 3.8 Cal Notepad TABLEWARE (Model 9933) Version 2.4 PRTCalc LOGWARE (Model 9934) Version 1.3 Cal Notepad LOGWARE II (Model 9935) Version 1.1 Cal Notepad LOGWARE III (Model 9936) Version 1.2 Cal Notepad MET/TEMP II (Model 9938) Version 4.3 I-Cal Easy

8 Compact Series Model Range Stability Depth C to 9.25" Hydra 798EHT (DB2/11-13) 100 C 234 mm ±0.015 C at C to 9.25" 20 C 234 mm C to 9.25" Hydra 798M (DB2/11-13) 40 C 234 mm C to ±0.006 C at 7" Hydra 798L (DB2/11-13) 100 C 80 C 178 mm ±0.010 C at 0 C C to ±0.001 C at 0 C 19.5" 496 mm Hydra 798M plus C to ±0.007 C at 18" 100 C 457 mm ±0.015 C at C to 18" 20 C 457 mm C to 18" 40 C 457 mm C to ±0.006 C at 18" 80 C 457 mm 0 C Standard Baths Model Range Stability Depth C to ±0.00 at 915LW (DB2/7-10) 60 C ± C at C to ±0.00 at 798L (DB2/11-13) 80 C ± C at

9 C to ±0.003 C at 13.25" 100 C 337 mm C to ± C at 13" 455 (DB1/41) 331 mm C to ± C at 0 C 798L (DB2/11-13) ± C at C to ± C at 0 C 18" 915MWE & 915/D (DB2/7-10) ± C at 457 mm C to ±0.006 C 11" 279 mm C to ±0.002 C at 18" 915MWE & 915/D (DB2/7-10) 40 C 457 mm ± C at C to ±0.002 C at Hydra 798M (DB2/11-13) 40 C ± C at C to ±0.001 C at 40 C 915H (DB2/7-10) C to ±0.001 C at 40 C 18.25" 915H & 915/D (DB2/7-10) 464 mm C to ±0.001 C at 40 C 13.25" 820 (DB2/15) 337 mm C to ±0.002 C at 875 (DB2/16-17) 400 C 100 C ±0.004 C at 400 C 6050H 40 C to ±0.002 C at (DB2/16-17) 550 C ±0.007 C at 500 C

10 Special Application Model Range Stability Depth C to ±0.003 C at 100 C 24" 610 mm 915H & 915/D (DB2/7-10) C to ±0.003 C at 17" 875,875/6 & 875/8 550 C 200 C 432 mm ±0.01 C at 550 C C to ±0.001 C at 0 C ±0.003 C at 100 C 24" 610 mm Large, 7-inch-diameter working space C to ± C at 13" 331 mm 455 (DB1/41) C to ± C at 13" 331 mm 455 (DB1/41) C to 30 C ±0.004 C 8" 455 (DB1/41) 203 mm 7911A2 0 C ±0.002 C 8" 813 (DB2/14) 203 mm

11 Industrial Temperature Calibration Instruments Metrology Wells Model Range Accuracy C to 140 C ( 49 F to 284 F) ±0.1 C Europa-6 (DB3/16-17) C to 155 C ( 22 F to 311 F) ±0.1 C Oceanus-6 (DB3/22-23) C to 4 (95 F to 797 F) 50 C to 700 C (122 F to 1292 F) ±0.1 C at 100 C 510 Medusa (DB3/38-39) ±0.2 C at Medusa 3 (DB3/38-39) Micro-Baths Model Range Accuracy C to 200 C ±0. Hyperion 936 (DB3/10-11) Micro-Bath 95 F to 392 F C to 1 ±0. Micro-Bath 23 F to 257 F C to ±0. Drago 934 (DB3/12-13) Micro-Bath 1 22 F to 257 F Handheld s Model Range Accuracy 9100S 35 C to 375 C ±0. at 100 C HTQC (DB3/44-45) Handheld 95 F to 707 F ±0.5 C at 375 C 9102S 10 C to ±0.5 C LTQC (DB3/44-45) Handheld 122 C 14 F to 252 F Field s Model Range Accuracy C to Cold block: ±0.2 C Dual-Block Calibrator 350 C Hot block: ±0.6 C 5 F to 662 F

12 9103 to ±0. Fast-Cal Low (DB3/46-47) Field 140 C 13 F to 284 F C to 350 C ±0.5 C Fast-Cal Medium (DB3/46-47) Field 95 F to 662 F C to 650 C ±0.5 C to 400 C Fast-Cal High (DB3/46-47) Field 122 F to ±1 C to 650 C 1202 F C to 400 C ±0.5 C to 200 C 983 Small Hot Plate (DB3/48-49) Surface ±1.0 C to 400 C Calibrator 95 F to 752 F Infrared Calibrators Model Range Accuracy C to 500 C ±0.5 C at 100 C Gemini R 550 (DB4/5) 122 F to 932 F C to 22 F to 302 F ±0.8 C at 500 C ±0.4 C Hyperion R 982 (DB4/4) C, 100 C, ±1 C Model 975 (DB4/12) 3-Pt. IR Calibrator 122 F, 212 F, 302 F Laboratory s Model Range Accuracy C ±0.05 C TRU 938 (DB4/17) Zero Point 32 F TRU 937 (DB4/18) C to 67 C ±0.15 C at 100 C Hot Block 122 F to ±0.65 C at 600 C 1238 F Cold Block 30 C to ±0. (Insert 140 C wells) 22 F to ±0.65 C (Fixed 284 F wells)

13 C to ±0.15 C Europa-6 (DB3/16-17) Portable Lab 140 C Venus 2140 (DB3/18-19) 40 F to 284 F C to 650 C ±0.3 C to 350 C Jupiter 650 (DB3/30-31) Portable Lab 95 F to ±0.5 C to 650 C 1202 F Furnaces Model Range Stability 9150 to ±0.5 C Pegasus 1200 (DB3/36-37) Thermocouple 1200 C Furnace 302 F to 2192 F 9112A to ±0.1 C Saturn 877 (DB2/18-19) Calibration 1100 C Furnace 572 F to 2012 F