Tietzsch MegaSafe EP 4 Bedienungsanleitung Seite 29

Quick user guide EP 4 / EP 4 Ex
This is a brief instruction.
Observe the entire user instruc-
tion of the EP 4 / EP 4Ex and
follow all instruction contained
therein.
POL + / - 200 mA measuring
External voltage
On/Off Test
Selftest
CAL function
Standard measurment up to 2 MΩ
Tests with 200 mA according to EN/IEC 61557-4
only at resistance < 10 Ω, polarity change has to be
.
performed manual
Attention!
First switch on the EP 4 and afterwards
contact the measuring point with the test
electrode. Button
thereby, otherwise the EP may be damaged
by external voltages.
1. Measurement setup:
 Connect the insulated 4 mm-connector of the
the measuring line to the socket of the EP.
 Contact the reference earth with the test
electrode of the measuring line (e.g. by clamp).
2. Zero balancing:
 The tester has to be switched off for zero
balancing.
 Contact the test electrode of the EP 4 with
the reference earth and ensure safe contact.
 Press button and then the button
same time. Zero balancing will be performed.
3. Standard measurment:
 Press button shortly to start the
measurement.
4. Change of polarity:
 Press button , the polarity is indicated by the
+/-
green LEDs as well as the „+ Rdy" or „- Rdy"
indication.
current
+/-
Polarity
measuring current
Auto On / Off
may not be pressed
at the
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