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

The ST-150 is a 1/8 inch, Class A PRT (Platinum Resistance Thermometer) with an IP67 rating.

  • Product Name:ST-150: Class A PRT (Platinum Resistance Thermometer)
  • Item No.:ST-150: Class A PRT (Platinum Resistance Thermometer)
  • Manufacturers:Apogee
  • Country of Origin:USA

The ST-150 is a 1/8 inch, Class A PRT (Platinum Resistance Thermometer) with an IP67 rating. White heat shrink is used on the cable behind the PRT to minimize heat transfer to the sensor.  PRT sheath dimensions are 3 mm diameter and 65 mm length, miminzing thermal mass. 

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Measurement Range    -50 to 70 C

Measurement Uncertainty    0.3 C (-50 to 70 C), Class A

Measurement Repeatability    Less than 0.01 C

Long-term Drift    Less than 0.05 C per year

Equilibration Time    15 seconds

Self-heating    Less than 0.01 C (typical, assuming pulsed excitation of 2.1 V DC, 0.09 at 5 C (max. assuming continuous input excitation of 2.1 V DC)

Operating Environment    -50 to 70 C, 0 to 100 % relative humidity

Resistance at 0 C    100 Ω

Input Voltage Requirement    Datalogger dependent

Output Voltage Requirement    Datalogger dependent

Current Draw    Datalogger dependent

Dimensions    56 mm, 3 mm diameter

Mass    95 g

Warranty    4 years against defects in materials and workmanship