4 Features and Functions
138 Keysight 34970A/34972A User’s Guide
– Front-Panel Operation: To select the thermocouple function on the active
channel, choose the following items.
TEMPERATURE , THERMOCOUPLE
To select the thermocouple type for the active channel, choose the following
item.
J TYPE T/C
To enable the thermocouple check feature on the active channel (opens are
reported as “OPEN T/C”), choose the following item.
T/C CHECK ON
To select the reference junction source for the active channel, choose one of
the following items.
INTERNAL REF , EXTERNAL REF , FIXED REF
– Remote Interface Operation: You can use the MEASure? or CONFigure
command to select the probe type and thermocouple type. For example, the
following statement configures channel 301 for a J-type thermocouple
measurement.
CONF:TEMP TC,J,(@301)
You can also use the SENSe command to select the probe type and
thermocouple type. For example, the following statement configures channel
203 for a J-type thermocouple measurement.
SENS:TEMP:TRAN:TC:TYPE J,(@203)
The following statements use the SENSe command to set a fixed reference
junction temperature of 40 degrees (always in °C) on channel 203.
SENS:TEMP:TRAN:TC:RJUN:TYPE FIXED,(@203)
SENS:TEMP:TRAN:TC:RJUN 40,(@203)
The following statement enables the thermocouple check feature on the
specified channels (opens are reported as “+9.90000000E+37”).
SENS:TEMP:TRAN:TC:CHECK ON,(@203,301)
Before selecting an external source, be sure to configure channel 01 in the
lowest slot for a thermistor or RTD measurement.
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