Gossen MetraWatt METRALINE EXM25 Bedienungsanleitung Seite 23

3. Putting into operation
3.1 Battery
Your instrument is already supplied with an energie-
block. Solely use the following energyblocks:
NiMH accumulator for class I and II T4:
type Z209A EXM-AK9
Lithium battery for class I and II T6:
type Z209B EXM-LB3
Attention!
Please observe section 6 before initial startup or
after your device has been in storage for a long
period of time.
3.2 Testing display and function
At every day of use the METRALINE EXM25 has to
be checked to ensure that it works properly and
faultlessly.
Self test 1 (Display test):
Press and hold button „ON/OFF".All display seg-
ments light up on the display, additionally the V-LED
and the Ω-LED light up. When you release button
„ON/OFF", the value 000 ... 001 V is indicated on the
display.
Self test 2 (Voltage measuring line):
Connect and lock the voltage measurement tips
EXM 72010 to the 7-pin universal connector. Switch-
on the device. Display: 000..001 V, in the upper
display line 1000 V. Put the test electrodes, one after
another, inclined 5 mm into the W-socket. Display
shows 'Test' and 'rdy' and green LED lights up.
Note:
In case the display continues showing 000 V the
measurement tip is damaged, please exchange.
Self test 3 (Voltage indication):
Check functions at a known voltage source - e.g. a
230 V socket.
Self test 4 (Resistance measurement):
Put the standard test lines into the Ω- and -socket.
Adjust the device to Ω, display: OL kΩ, hold test
prods together, display indication needs to be about
0.0 Ω and the green LED needs to light up.
Attention!
If indication of one or several systems fail in the
course of performing the self test, if function stand-
by is not indicated or if the device is damaged, the
METRALINE EXM25 must not be used again.
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