Calibration Points - Extech Instruments 7630 Operation Manual

automatically scroll to the next calibration point.
To manually select calibration points, use the up and down arrows to scroll the highlighted
area to the desired calibration point. The load/meter screen and prompt screens will
automatically update for the calibration point selected.

7.1.2 Calibration points

Each calibration point requires different loads, standards and process. As each point is
selected, the load/meter screen and prompt screens will display the meter, load and process
information required to complete the calibration process for the selected point.
1. RUN TEST Voltage：Calibration of Run Test Voltage
Disconnect power to the DUT I/P input first. With the DUT I/P input open, press TEST to start
the Offset calibration process.
Connect 110VAC and a standard voltmeter to the DUT I/P input, then press the TEST button
to activate the calibration. Read the measurement from your standard and enter it using the
numeric keypad. You may now store the new calibration number by pressing the ENTER
key or escape by pressing the EXIT key or the RESET button.
2. RUN TEST 40.00A：Calibration of Run Test Current 40.00A
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