Vac Calibration Procedure - Fluke 2640A Service Manual

Netdaq data acquisition tools
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4. Click the Done button to exit the volts dc calibration cycle.
5. If this completes your calibration requirements, click the Close button in the

VAC Calibration Procedure

This procedure uses the calibration feature of NetDAQ Logger for Windows. Complete
the "Calibration Procedure (Semiautomatic)" before using this procedure.
1. Click the Volts AC button in the Instrument Calibration dialog box, opening the first
2. Connect the 5700A Calibrator as shown in Figure 4-7 and source an output of 0.03V
3. In a similar manner, source the 5700A Calibrator for the values 0.3V, 0.3V, 3V, 3V
4. Click the Done button to exit the volts ac calibration cycle.
5. If this completes your calibration requirements, click the Close button in the
4-32
Instrument Calibration dialog box to return to the NetDAQ Logger for Windows
Main Window. Otherwise, continue to the next calibration function.
Calibration Steps - Volts AC dialog box (below).
If you get an error message, check the RS-232 parameter settings, and cabling, and
make sure no other application such as terminal or internal modem is using the
selected COM port. The error "Calibration Mode not enabled" means you have not
pressed the CAL enable button at the instrument front panel.
ac at a frequency of 1 kHz. Click the Perform Calibration Step button to calibrate the
selected value. After the calibration step completes, the next calibration appears in
the Actual box.
(values repeat) and so forth until the Done button is no longer dimmed.
Instrument Calibration dialog box to return to the NetDAQ Logger for Windows
Main Window. Otherwise, continue to the next calibration function.
4-38.

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