Fluke 323 Calibration Manual page 19

Clamp Meter
Temperature Zero Procedure (324 and 325)
Temperature Zero Procedure (324 and 325)
1. Turn off the Product and wait 20 minutes.
2. Connect a K-type thermocouple connector from the Calibrator to the Product.
3. After 20 minutes, with the Product still connected to the 3.0 V, turn on the Product
and short across the CAL keypad on the pca. See Figure 6.
4. Turn the Product rotary switch to temperature.
5. Push  twice until "C-23" shows on the Product display.
6. Apply 0 °C from the Calibrator.
7. Push the HOLD button to confirm C-23.
8. Push the HOLD button to save the calibration data.
The calibration adjustment procedure is complete.
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