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Product Overview and Specifications
Measurement Specifications 1
1-17
Thermistor Temperature Accuracy
Accuracy specifications are for 4-wire thermistor. When using 2-wire thermistor, add the number given in the table to the
specification for internal resistance. If the environment temperature is outside the specified range, increase the accuracy
specification by 25 % for every 1 °C outside the specified environment temperature range. Specifications do not include
sensor accuracy. The practical range of temperature measurement depends on the sensor.
Temperature
A
ccurac
y
2.2 kΩ Thermistor
Slow
Sample Rate
Medium
Sample Rate
Fast
Sample Rate
2-wire
−40 °C 0.001 °C 0.001 °C 0.01 °C add 0.001 °C
0 °C 0.003 °C 0.004 °C 0.01 °C add 0.004 °C
25 °C 0.006 °C 0.011 °C 0.02 °C add 0.016 °C
50 °C 0.008 °C 0.018 °C 0.04 °C add 0.05 °C
100 °C 0.047 °C 0.114 °C 0.28 °C add 0.34 °C
150 °C 0.23 °C 0.56 °C 1.34 °C add 1.7 °C
Temperature
Accuracy 5 kΩ Thermistor
Slow
Sample Rate
Medium
Sample Rate
Fast
Sample Rate
2-wire
−40 °C 0.003 °C 0.004 °C 0.01 °C add 0.001 °C
0 °C 0.002 °C 0.002 °C 0.01 °C add 0.002 °C
25 °C 0.004 °C 0.006 °C 0.01 °C add 0.007 °C
50 °C 0.005 °C 0.009 °C 0.02 °C add 0.022 °C
100 °C 0.022 °C 0.052 °C 0.13 °C add 0.16 °C
150 °C 0.096 °C 0.24 °C 0.57 °C add 0.7 °C
Temperature
Accuracy 10 k
Ω Thermistor
Slow
Sample Rate
Medium
Sample Rate
Fast
Sample Rate
2-wire
−40 °C 0.003 °C 0.004 °C 0.01 °C add 0.001 °C
0 °C 0.002 °C 0.002 °C 0.01 °C add 0.002 °C
25 °C 0.003 °C 0.004 °C 0.01 °C add 0.004 °C
50 °C 0.005 °C 0.009 °C 0.02 °C add 0.011 °C
100 °C 0.011 °C 0.024 °C 0.06 °C add 0.067 °C
150 °C 0.04 °C 0.098 °C 0.24 °C add 0.29 °C
Thermistor Measurement Characteristics
Range
Temperature Display Resolution
Source Current
Slow / Medium
Sample Rate
Fast
Sample Rate
0 Ω to 2.2 kΩ
0.0001 °C 0.001 °C
10 µA
2.1 kΩ to 98 kΩ
0.0001 °C 0.001 °C
10 µA
95 kΩ to 1 MΩ
0.0001 °C 0.001 °C
1 µA
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
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