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 CMeasurement Uncertainty0.2 C (from 0 to 70 C), 0.4 C (from -50 to 0 C)Measurement RepeatabilityLess than 0.05 CNon-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 sSelf-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 humidityResistance at 0 C32651.0 ΩInput Voltage Requirement2.5 V DC excitationOutput Voltage Range0 to 2.5 V DC (assuming input excitation of 2.5 V DC)Current Drain0.1 mA DC at 70 C (maximum, assuming continuous input excitation of 2.5 V DC)Dimensions25 mm length, 1 mm diameterMass60 gCable5 m of shielded, twisted-pair wire. Santoprene rubber jacket (high water resistance, high UV stability, flexibility in cold conditions), Pigtail lead wiresWarranty4 years against defects in materials and workmanship