Instrument Expert
Original factory packaging
Service Hotline：
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Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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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.
| 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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