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REL Function
The REL function allows a reference value measurement to avoid possible line losses which may caused
e.g. during resistance measurements. For this purpose, the current indicated value is set to zero. A new
reference value is set.
Press the “REL” button to activate this measuring function. The display indicates “ ”. The automatic
measuring range selection is deactivated now (except for capacity measuring range).
In order to switch off this function, press the “REL” button again or simply change the measurement
function.
The REL function is not active in the frequency measuring range and for conti-
nuity tests.
HOLD function
The HOLD function freezes the currently indicated measured value to allow you to read it or to take the
record without rushing.
If you test live wires make sure that this function is deactivated before the mea-
surement starts. Otherwise, the measurement will be incorrect!
To switch on the Hold function, press the “H” button (10); an acoustic signal confirms this command and
“H” appears on the display.
In order to switch off the HOLD function, press the “H” button again or simply change the measurement
function.
Low imp. 400 kΩ Function
This function may only be used for voltages of a max. of 1,000 V and a max. of 3
seconds!
This function enables reducing the measuring impedance from 10 MΩ to 400 kΩ in the voltage measuring
range. Through the reduction of the measuring impedance, possible phantom voltages are suppressed,
which could falsify the measuring result.
Press this button (9) during voltage measurement (max. 1,000 V!) for a max. of 3 seconds. After release,
the multimeter has the normal measuring impedance of 10 MΩ. While the button is pressed, a signal
sounds and the display “WARNING!” appears.
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