Extech Instruments 7630 Operation Manual page 117

Touch current tester
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Connect 2.0VDC
in series with a current meter to Probe-HI + and Probe-LO -. When the
power supply and meter are connected, press TEST 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.
27. LLT
UL544P:Calibration of Touch Current Test MD: UL 544P measuring device
Connect 2.0VDC
in series with a current meter to Probe-HI + and Probe-LO -. When the
power supply and meter are connected, press TEST 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.
28. LLT
IEC601-1:Calibration of Touch Current Test MD: IEC601-1 measuring device
111

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