brief
long
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Quick user guide ΩMegaSafe EP 4/EP 4Ex
This quick user guide serves for a
quick start. In regard of your own
safety, please observe safety-related
Ex characteristic values and for
further information the detailed
user instruction.
Switching the instrument On
Self-test:
Press constantly the on-button
while switching on the device.
Display: all LCD segments,
three LEDs (light up) and
an acoustic signal appears.
Release the button. Display:
“+1“ and LED lights up –
device is ready for measure-
ment.
Switching the instrument off
Zero balancing “CAL“ with any
measurement line ≤ 3,5
Ω
:
The EP 4 has to be switched off.
Press both keys simultaneously
during power-up. Connect
the measurement cable to the
test probe within 3 seconds.
The value is saved to memory
and used for all subsequent
measurements even after
switching the instrument off
and back on until zero
balancing is carried out again.
Standard measurement:
Suited for resistance measure-
ments without storing values
to memory.
The measured value is dis-
played as long as the button
is pressed. 2 seconds after a
measurement “+1“ appears,
signalling that the instrument
is ready for a new measure-
ment.
Function
Key Activation
and
brief
Attention!
First
switch on the EP and place the test electrode
onto the measuring point. Button may
not
be
pressed thereby, otherwise the EP can be damaged
by external voltages.
If no external voltage is signalized, use the measu-
ring button afterwards.
> 2 s
