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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 EXM 72025 (rechargeable)
Lithium battery
for class I and II T6:
type EXM 72026 Li/T6
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 VarioSafe EXM 25 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
SPA 72010/11 to the 7-pin universal connector.
Switch-on the device. Display: 000..001 V, in the
upper display line 1000 or 2000V. 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
VarioSafe must not be used again.