Fluke 1586A/2HC Product Manual - Page 24

Thermistor

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1586A Users Manual PRT/RTD Temperature Accuracy Accuracy is for 4-wire 100 Ω nominal PRT/RTD, using medium or slow sample rate. When using 3-wire PRT/RTD add 0.039 °C to the accuracy specification for internal resistance mismatch and voltage offset if using Channel 1, or add 0.15 °C if using channels x01 through x20. When using the Fast sample rate, add the number given in the table to the accuracy specification. If the environment temperature is outside the specified range, multiply the temperature coefficient number by the temperature deviation and add to the accuracy specification. Linear interpolation may be used between points in the table. Specifications do not include sensor accuracy. The practical range of temperature measurement depends on the sensor and characterization. Temperature −200 °C 0 °C 300 °C 600 °C DAQ-STAQ Module High-Capacity Module Fast Sample Rate 0.006 °C 0.01 °C 0.018 °C 0.026 °C 0.01 °C 0.015 °C 0.03 °C 0.045 °C add 0.01 °C add 0.01 °C add 0.01 °C add 0.01 °C T.C./ °C Outside 18 °C to 28 °C 0.0019 °C 0.0023 °C 0.0028 °C 0.0034 °C PRT/RTD Measurement Characteristics Range 0 Ω to 400 Ω 400 Ω to 4 kΩ Temperature Display Resolution Slow / Medium Sample Rate Fast Sample Rate 0.001 °C 0.01 °C 0.001 °C 0.01 °C Source Current ±1 mA 0.1 mA Thermistor Temperature Range 200 °C to 400 °C (depending on the sensor) Resistance Range 0 Ω to 1 MΩ Thermistor Resistance Accuracy Accuracy is given as ± (% of measurement + Ω). The basic accuracy specification is for 4-wire thermistor, slow sample rate. When using medium or fast sample rate, add the number given in the table to the accuracy specification. If the environment temperature is outside the specified range, multiply the temperature coefficient numbers by the temperature deviation and add to the accuracy specification. For 2-wire thermistor add 0.02 Ω internal resistance if using Channel 1 or 1.5 Ω if using channels x01 through x20, and add external lead wire resistance. Range Slow Sample Rate Medium Sample Rate Rate Fast Sample Rate T.C./ °C Outside 18 °C to 28 °C 0 Ω to 2.2 kΩ 2.1 kΩ to 98 kΩ 95 kΩ to 1 MΩ 0.004 % + 0.2 Ω 0.004 % + 0.5 Ω 0.015 % + 5 Ω add 0.3 Ω add 0.5 Ω add 5 Ω add 1 Ω add 1.3 Ω add 13 Ω 0.0005 % + 0.05 Ω 0.0005 % + 0.1 Ω 0.001 % + 2 Ω 1-16 MyFlukeStore Shop for Fluke products online at: www. .com 1.888.610.7664

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1586A
Users Manual
1-16
PRT/RTD Temperature Accuracy
Accuracy is for 4-wire 100
Ω
nominal PRT/RTD, using medium or slow sample rate. When using 3-wire PRT/RTD add
0.039 °C to the accuracy specification for internal resistance mismatch and voltage offset if using Channel 1, or add
0.15 °C if using channels x01 through x20. When using the Fast sample rate, add the number given in the table to the
accuracy specification. If the environment temperature is outside the specified range, multiply the temperature coefficient
number by the temperature deviation and add to the accuracy specification. Linear interpolation may be used between
points in the table. Specifications do not include sensor accuracy. The practical range of temperature measurement
depends on the sensor and characterization.
Temperature
DAQ-STAQ Module
High-Capacity Module
Fast Sample Rate
T.C./ °C Outside 18 °C
to 28 °C
−
200 °C
0.006 °C
0.01 °C
add 0.01 °C
0.0019 °C
0 °C
0.01 °C
0.015 °C
add 0.01 °C
0.0023 °C
300 °C
0.018 °C
0.03 °C
add 0.01 °C
0.0028 °C
600 °C
0.026 °C
0.045 °C
add 0.01 °C
0.0034 °C
PRT/RTD Measurement Characteristics
Range
Temperature Display Resolution
Source Current
Slow / Medium
Sample Rate
Fast
Sample Rate
0
Ω
to 400
Ω
0.001 °C
0.01 °C
±1 mA
400
Ω
to 4 k
Ω
0.001 °C
0.01 °C
0.1 mA
Thermistor
Temperature Range
..............................................
−
200 °C to 400 °C (depending on the sensor)
Resistance Range
.................................................
0
Ω
to 1 M
Ω
Thermistor Resistance Accuracy
Accuracy is given as ± (% of measurement +
Ω
). The basic accuracy specification is for 4-wire thermistor, slow sample
rate. When using medium or fast sample rate, add the number given in the table to the accuracy specification. If the
environment temperature is outside the specified range, multiply the temperature coefficient numbers by the temperature
deviation and add to the accuracy specification. For 2-wire thermistor add 0.02
Ω
internal resistance if using Channel 1 or
1.5
Ω
if using channels x01 through x20, and add external lead wire resistance.
Range
Slow
Sample Rate
Medium
Sample Rate
Rate
Fast
Sample Rate
T.C./ °C Outside
18 °C to 28 °C
0
Ω
to 2.2 k
Ω
0.004 % + 0.2
Ω
add 0.3
Ω
add 1
Ω
0.0005 % + 0.05
Ω
2.1 k
Ω
to 98 k
Ω
0.004 % + 0.5
Ω
add 0.5
Ω
add 1.3
Ω
0.0005 % + 0.1
Ω
95 k
Ω
to 1 M
Ω
0.015 % + 5
Ω
add 5
Ω
add 13
Ω
0.001 % + 2
Ω
Shop for Fluke products online at:
1.888.610.7664
www.
MyFlukeStore
.com