dehn EP4 Instructions For Use Manual page 15

Automatic measurement
Suitable for Lo Ω measurements (< 10 Ω) with a measu-
ring current of 200 mA. The direction of the measuring
current is automatically changed and displayed by (+)
or (-).
Display of stored minimum (+) and (-) values
After an automatic measurement, the lowest resistance
value measured appears on the display. Press the +/-
button to compare the lowest (+) and (-)values
measured. See detailed instructions for use, if both values
significantly differ from another.
Switching the continuity tester off
If no button is pressed, the EP4 continuity tester automa-
tically switches off after 20 seconds to save battery
power.
Signals
Acoustic signal in case of a conductivity < 1 Ω if the
Acoustic signal and red LED in case of an external voltage from 10 V to 400 V
(voltage is displayed in volts).
Function
3
Button Press
> 2 sec.
+/-
shortly
+/- shortly
shortly
button is pressed.