4-12
IM CA150E
4.5.3 Using the Built-in RJ Sensor
Although accurate temperature output (reference junction compensation)
requires an external RJ sensor to be used, you can use the RJ sensor
built into the instrument.
The default setting (at shipment) is OFF.
Set the built-in RJ sensor to ON (enable) in setting mode.
1 Simultaneously press the CLEAR and ENTER keys to switch to
setting mode.
SEt appears on the top row and SrC (SOURCE) appears on
the bottom row.
2 Select source.
Three types of setting modes are available.
Use the ▲ ▼ key to select a mode.
Source: SrC, Measure: MEAS, Common: ConF
3 Press the ENTER key to conrm the selection.
4 Select the RJ sensor setting.
Three types of source settings are available.
Use the ▲ ▼ key to select a setting.
Interval: IntVAL, RJ sensor: rJC, Calibration: CAL
5 Press the ENTER key to conrm the selection.
6 Use the ▲ ▼ key to select ON.
7 Simultaneously press the CLEAR and ENTER keys to
switch back to normal mode.
(Press the CLEAR key to go back one level.)
8 Use the FUNCTION key on the SOURCE side to select TC.
9 Conrm that RJON appears.
The generation operating procedure is identical to that described in "4.5.1
Generating Thermocouple (TC) Signals."
For details on setting mode, refer to "7. Setting Mode."
Tip
The built-in RJ sensor measures (detects) the internal temperature of the
measurement terminals. Accuracy is affected by temperature rises due to,
for example, charging. For accurate temperature output,
use an external RJ sensor or cold junction compensator.
4.5 Source Thermocouple (TC) Signals
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