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Temperature: Can the 7702 be used for measuring temperature with thermocouples?

질문:

Temperature: Can the 7702 be used for measuring temperature with thermocouples?

답변:

Yes. Although the 7702 does not have automatic cold junction compensation (CJC), there are still three ways to measure temperatures with thermocouples with this module:
  • By using the simulated CJC reference. This can be valuable when only the relative temperature rise is of interest, rather than the absolute temperature.
  • By using an external CJC reference placed inside the module. This can be accomplished with an RTD or thermistor connected to channel #1. All T/Cs are then compensated for against this reference.
  • By using an external CJC placed in a thermocouple 'patch panel.' This method is similar to the above description.

이 FAQ는 다음에 적용 됩니다:

제품 시리즈: Keithley 2700 멀티미터/데이터 획득/스위치 시스템

제품:

FAQ ID 71301

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