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5624 Platinum Resistance Thermometer to 1000°C 

High-temperature platinum resistance thermometer (PRT).

  • Temperature range of 0°C to 1000°C 
  • Accuracy (includes short-term stability and calibration uncertainty) of ±0.05°C to 962°C 
  • Long-term drift of 0.01°C at 0°C after 100 hours at 1000°C 
  • Designed by Hart’s primary standards design team 

Specifications 

Range  0 °C to 1000 °C 
Calibration Uncertainty  ± 0.004 °C at 0 °C
± 0.020 °C at 962 °C 
Long-term Drift (Rtpw) (k=2)  <0.01 °C at 0 °C/100 hours at 1000 °C 
<0.06 °C at 0 °C/1000 hours at 1000 °C 
Calibrated Accuracy† (k=2)  ± 0.006 °C at 0 °C
± 0.031 °C at 660 °C
± 0.041 °C at 961 °C 
Short-term Stability  ± 0.005 °C 
Immersion  <153 mm (6 in) at 700 °C 
Rtpw  10 ohm (± 0.1 ohm) 
Hysteresis  <0.005 °C from 0 °C to 1000 °C 
Thermocycling  <0.01 °C, 10 cycles from 0 to 1000 °C 
Current  1 mA 
Size  6.35 mm (0.25 in)  O.D. 
Length  508 mm (20 in) 
Sheath Material  Alumina 
Calibration  Included 1913-6 fixed-point calibration 
†Includes calibration and 100 hr drift 

 

At Hart, we receive many requests for precision PRT accuracy at thermocouple temperatures. Until now metrologist have settled for expensive, high-temperature SPRTs or inaccurate thermocouples for high-temperature measurement. 

We’re pleased to introduce the world’s finest high-temperature secondary PRT, our Model 5624. 

Ideal for use as a reference thermometer in high-temperature furnaces, the 5624 can reach a temperature of 1000°C with long-term drift at 0°C of 10 mK and accuracy (including short-term stability and calibration uncertainty over the full range) of 55 mK! Due to Hart Scientific’s proprietary sensor design, this PRT has short-term stability of 5 mK, and an immersion requirement of less than 153 mm (6") at 700°C. 

The 5624 is assembled in an alumina sheath that is 508 mm (20") long and 6.35 mm (0.25") in diameter. Several termination configurations can be selected to match different thermometer readouts. Each 5624 comes with a NIST-traceable, NVLAP-accredited fixed-point calibration from 0°C to 962°C. That’s a fixed-point calibration! The 5624 also comes in a protective carrying case. 

Ordering Information 

5624-20-X  Probe, 1000°C, 10 ohm PRT, 6.35 mm x 508 mm (0.25" x 20"), (includes 2609 case) 
X = termination. Specify “A” (INFO-CON for 914X),“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).
1913-6  Cal, SPRT by Fixed Point, 0°C to 962°C 
2609  Case, SPRT, Plastic 

 

Downloads

Right click the following link and “Save Target As ...” to download the data sheet or product User's Guide in Acrobat (.pdf)  format.

5624 Data Sheet - File size is 124 Kb.
5624 User's Guide - File size is 259 Kb.

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