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

Updated:2025-03-13

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