GW Instek GOM-804 - Dry Resistance Measurement; Temperature Correction Function; Temperature Measurement

APPENDIX
153
temperature and the calibration temperature.
Measurement
Four-terminal method.
Auto-ranging
Provided.
Over input range
“------” indicates over range
Comparator
20 sets of comparator status can be selected.
Buzzer mode
switchable
OFF, PASS, FAIL
Dry Resistance Measurement
Range
Measuring Current
Accuracy
500mΩ
100mA
±(0.3%+0.05%)
5Ω
10mA
±(0.3%+0.05%)
50Ω
1mA
±(0.3%+0.05%)
Temperature Measurement
Temperature sensor
(option)
Platinum resistor.
Lead length: 1.5m approx.
-10˚C ~40˚C
0.3%±0.5˚C
Other
0.3%±1.0˚C
Temperature Correction Function
Reference temperature
range
-50.0˚C~399.9˚C
Thermal coefficient
range
±9999 ppm
Temperature range
Accuracy of temperature compensation for 3930
ppm/Cu wire.*
-10˚C~40.0˚C
0.3%+resistance measurement accuracy.
Other
0.6%+resistance measurement accuracy.
*The temperature coefficient for the other settings must be calculated
individually according to different conditions.
*If the temperature coefficient or the difference between the environmental
temperature and the required temperature exceeds normal operation, after
calculating the compensation, the variation to the reading value will be
significant.
*When using the PT-100 temperature sensor for temperature measurements,
the accuracy of the sensor (typical accuracy of <±0.5ºC) should also be taken
into account and calculated for.
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