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ST-150: Class A PRT (Platinum Resistance Thermometer)

Updated:2022-12-26

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  • Brand: APOGEE
  • Model: ST-150
  • Description: ST-150 is a 1/8-inch Class A PRT (Platinum Resistance Thermometer) with protection class of IP67. A white heat shrink tube is used on the cable behind the PRT to greatly reduce the heat transferred to
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Product Details

Overview of ST-150 Class A PRT (Platinum Resistance Thermometer):

User's Manual

ST-150 is a 1/8-inch Class A PRT (Platinum Resistance Thermometer) with protection class of IP67. A white heat shrink tube is used on the cable behind the PRT to greatly reduce the heat transferred to the sensor. The size of the PRT sheath is 3mm in diameter and 65mm in length.



Drawing of ST-150 thermometer:


Specification of ST-150 thermometer:

Measurement Range -50 to 70 ℃
Measurement Uncertainty 0.3 ℃ (-50 to 70 ℃), Class A
Measurement Repeatability Less than 0.01℃
Long-term Drift Less than 0.05 ℃ per year
Time Constant ( time for detector signal to reach 63 % following a step change) 32 s
Self-heating Less than 0.01 ℃ (typical, assuming pulsed excitation of 2.1 V DC), 0.09 at 5 ℃ (max. assuming continuous input excitation of 2.1 V DC)
Operating Environment -50 to 70 ℃; 0 to 100 % relative humidity
Resistance 100 Ω at 0 ℃
Input Voltage Requirement Datalogger dependent
Output Voltage Requirement Datalogger dependent
Current Draw Datalogger dependent
Dimensions 57.15mm long, 3.18mm diameter
Mass 95 g
Warranty 4 years against defects in materials and workmanship

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