Specifications 7
U1253B User’s and Service Guide 187
Temperature Specifications
Table 7-7 Temperature specifications
Thermocouple Type Range Resolution Accuracy
[1]
K
–200 °C to –40 °C 0.1 °C 1% + 3 °C
–328 °F to –40 °F 0.1 °F 1% + 5.4 °F
–40 °C to 1372 °C 0.1 °C 1% + 1 °C
–40 °F to 2502 °F 0.1 °F 1% + 1.8 °F
J
–210 °C to –40 °C 0.1 °C 1% + 3 °C
–346 °F to –40 °F 0.1 °F 1% + 5.4 °F
–40 °C to 1372 °C 0.1 °C 1% + 1 °C
–40 °F to 2502 °F 0.1 °F 1% + 1.8 °F
Notes for temperature specifications:
1 The accuracy is specified according to the following conditions:
• The accuracy does not include the tolerance of the thermocouple probe. The thermal sensor plugged into the meter
should be placed in the operating environment for at least an hour prior to measurement.
• Use the Null function to reduce the thermal effect. Before using Null function, set the meter to no ambient
compensation mode ( is indicated) and keep the thermocouple as close to the meter as possible. Avoid contact
with any surface that has a different temperature from the ambient temperature.
• When measuring temperature with respect to any temperature calibrator, try to set both the calibrator and meter with
external reference (without internal ambient compensation). If both calibrator and meter are set with internal
reference (with internal ambient compensation), there may be a deviation between the readings of the calibrator and
the meter, due to differences in ambient compensation between the two devices.
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