The ST-200 is an accurate (± 0.2 C from 0 to 70 C) fine wire (0.45 mm tip, 0.15 mm wire) thermistor designed for measurement of delicate surfaces or small samples with a fast response time, less than 1 second.
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Measurement Range -50 to 70 C Measurement Uncertainty 0.2 C (from 0 to 70 C), 0.4 C (from -50 to 0 C) Measurement Repeatability Less than 0.05 C Non-stability (Long-term Drift) Less than 0.02 C per year (when used in non-condensing environments where the annual average temperature is less than 30 C; continuously high temperatures or continuously humid environments increase drift rate) Time Constant ( time for detector signal to reach 63 % following a step change) 2 s Self-Heating: Less than 0.01 C (typical, assuming pulsed excitation of 2.5 V DC),; 0.08 C at 5 C (maximum, assuming continuous input excitation of 2.5 V DC) Operating Environment -50 to 70 C; 0 to 100 % relative humidity Resistance 10,000 Ω at 25 C Input Voltage Requirement 2.5 V DC excitation Output Voltage Range 0 to 2.5 V DC (assuming input excitation of 2.5 V DC) Current Drain 0.1 mA DC at 70 C (maximum, assuming continuous input excitation of 2.5 V DC) Dimensions 25 mm length, 1 mm diameter Mass 60 g Cable 5 m of shielded, twisted-pair wire. Santoprene rubber jacket (high water resistance, high UV stability, flexibility in cold conditions), Pigtail lead wires Warranty 4 years against defects in materials and workmanship