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Temperature Calculators

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Visit other Fluke companies for calibration equipment and services in electrical, power, pressure, flow, RF, and more.

Link to Fluke Calibration for electrical and power calibration

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Fast Response Platinum Resistance Thermometers (PRTs)

Fast Response PRT Temperature Probes

Features

  • Time constants as fast as 0.4 seconds
  • Available as DIN/IEC Class A PRTs or with NVLAP-accredited calibration, lab code 200348-0 
  • Small probe diameters ranging from 0.5 mm to 3.2 mm

Specifications 

Temperature Range  –200 °C to 350 °C 
Nominal RTPW  100 W 
Sensor  Four “385” platinum wires 
Calibrated Probe Accuracy (includes calibration uncertainty and short-term stability) 

5622-05 and 5622-10: 
± 0.04 °C at  –200 °C 
± 0.04 °C at 0 °C 
± 0.09 °C at 200 °C 
± 0.09 °C at 300 °C 

5622-16 and 5622-32: 
± 0.04 °C at  –200 °C
± 0.04 °C at 0 °C 
± 0.045 °C at 200 °C 
± 0.055 °C at 300 °C 
Uncalibrated DIN/IEC Conformity  DIN/IEC Class A;
± 0.15 °C at 0 °C 
Time Constant
(63.2 %)  		From 0 °C to 100 °C: 
5622-05: 0.4 seconds 
5622-10: 1.5 seconds 
5622-16: 3.0 seconds 
5622-32: 10 seconds (90 %) 
Immersion Depth  5622-05: 10 mm (0.4 in) 
5622-10: 20 mm (0.8 in) 
5622-16: 32 mm (1.25 in) 
5622-32: 64 mm (2.5 in) 
Thermal EMF  20 mV at 350 °C 
Sheath  316 SST 
5622-05: 100 x 0.5 mm (4 x 0.02 in) 
5622-10: 100 x 1.0 mm (4 x 0.04 in) 
5622-16: 200 x 1.6 mm (8 x 0.06 in) 
5622-32: 200 x 3.2 mm (8 x 0.13 in) 
Cable  PVC, 4-wire cable, 2 meters long, 90 °C max temp 

For special temperature measurement applications requiring fast response or short immersion over a wide temperature range, Hart’s new 5622 series PRTs are the perfect solution. 

Made by Netsushin, one of the world’s leading PRT manufacturers, this series includes four models with stainless steel sheaths ranging from 0.5 to 3.2 mm (0.02 to 0.125 in) in diameter. Because these high-quality wire-wound sensors come in small packages, heat transfer to the sensors occurs quickly. Time constants from 0 °C to 100 °C are as fast as 0.4 seconds. 

Immersion requirements for these probes is also a plus, ranging from just 10 mm to 64 mm (0.4 to 2.5 inch), depending on the model. Getting into shallow or tight places is not a problem. And because these probes can handle temperatures from –200 °C to 350 °C, they’re more versatile than most thermistors. 

5622 PRTs come with two calibration options. Uncalibrated, each of these probes conforms to DIN/IEC Class A requirements with accuracy of ±0.15 °C at 0 °C and ±0.55 °C at 200 °C and –200 °C. Alternatively, any Model 5622 PRT may be purchased with a Model 1923-4-N ITS-90 Comparison Calibration, which includes seven points from –197 °C to 300 °C. With calibration, short-term accuracies are achieved as good as ±0.04 °C at 0 °C. 

Readout options for the Model 5622 PRTs include Hart’s Little Lord Kelvin and Little Lord Logger Handheld Thermometers as well as the 1502A Tweener Thermometer. Each of these readouts will read your PRT as a standard DIN/IEC probe or as an individually calibrated PRT. 

Whatever your thermometry requirements are, come to Hart. No one else offers a wider range of standards-quality reference thermometers than Hart.

Ordering Information 

5622-05-X  Fast Response PRT, 0.5 mm (0.02 in) 
5622-10-X  Fast Response PRT, 1.0 mm (0.04 in) 
5622-16-X  Fast Response PRT, 1.6 mm (0.06 in) 
5622-32-X  Fast Response PRT, 3.2 mm (0.13 in) 
X = termination. Specify “B” (bare wire), “D” (5-pin DIN for Tweener Thermometers), “G” (gold pins), “I” (INFO-CON for 1521 or 1522), “J” (banana plugs), “L” (mini spade lugs), “M” (mini banana plugs), “P” (INFO-CON for 1523 or 1524), or “S” (spade lugs).
(All models come without calibration unless calibration purchased separately.) 
1923-4-N  Calibration, PRT Comparison, –196 °C to 300 °C 

2601 

Probe Carrying Case 

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Catalog page(s)/data sheet

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