Before switching to a new function, disconnect probes from
the UUT.
Only handle test leads and probes on the grips provided. Avoid
touching the probes under any circumstances.
With the UNITEST Clamp Meter you can measure frequency in both
the current and voltage modes.
4Turn selector switch (3) to "Hz".
4Measurement in current mode: open the clamp, and close it
round the conductor. Make sure that the clamp properly encircles
the conductor, and that there is no air gap between the jaws.
Measurement in voltage mode: plug the black test lead into the
"COM" socket and the red lead into the "+" socket.
Connect the probes to the UUT and read the display.
4To select the input sensitivity press the "
If the display is not visible during measurement, press the
"
" button (2) to retain the display. The clamp can then be
removed from the conductor and the stored value read.
4.5 Resistance measurements
Disconnect the UUT from all sources of supply and check that
it is at zero voltage.
4Turn selector switch (3) to "V".
4Plug the black test lead into the "COM" socket and the red lead
into the "+" socket.
4Connect the probes to the UUT and read the display.
4The optimum range is set automatically.
To change the range manually press the "
more times, until the desired range is displayed.
If the display is not visible during measurement, press the
"
" button (2) to retain the display. The probes can then be
removed from the conductor and the stored value read.
" button.
" button one or
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