62 U1241B/U1242B User’s and Service Guide
6 Specifications and Characteristics
Temperature Specifications
Table 6 -1 0 Temperature specifications with accuracy of ± (% of reading + offset error)
[1] The accuracy is specified as following condition:
• The accuracy does not include the tolerance of thermocouple probe. The thermal sensor
plugged into the multimeter should be placed in the operating environment for at least one
hour.
• Use Null function to reduce the thermal effect.
• When measuring temperature with respect to any temperature calibrator, set both the
calibrator and multimeter with external reference (without internal ambient compensation). If
both calibrator and multimeter are set with internal reference (with internal ambient
compensation), deviation may be shown between the readings of the calibrator and
multimeter, due to differences in ambient compensation between calibrator and multimeter.
• Do not contact the temperature sensor to any surface that is energized above 33 Vrms or
70 VDC, such the voltage source will pose a shock hazard.
[2] The temperature calculation is according to the standard of EN/IEC-60548-1 and NIST175.
[3] Only available in U1242B.
Function Thermocouple Type Range Resolution
Accuracy
[1]
Temperature
[2]
K–40 °C to 1000 °C0.1 °C1% + 1°C
–40 °F to 1832 °F0.1 °F 1%+ 1.8 °F
J
[3]
–40 °C to 1000 °C0.1 °C1% + 1 °C
–40 °F to 1832 °F0.1 °F1% + 1.8°F
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