Operation Manual

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6. Maintainance
The METRALINE EXM25 is completely maintainance-
free except for ist own energy source (see section 6.1).
Nevertheless, for safe operation observe the following
information:
The METRALINE EXM25 is to be stored in a dry place.
The plastic housing can be cleaned with a cloth dam-
pened with alcohol (isopropyl) or soapy water.
6.1 Battery status
The latest status of the battery or the accumulator is
symbolised by a 3 stage battery symbol in the display.
= battery full
=
battery half-full.
Many measurements still
can be performed.
= batterie empty.
The backlight deactivates
automatically.
Attention!
When the empty battery symbol ashes, taking
measurements is not possible anylonger. The battery
needs to be exchanged or the accumulator recharged
immediately.
6.2 Change battery
The change of battery is possible in Ex-areas.
Solely use the following energyblocks:
Lithium battery for class I and II T6:
type Z209B EXM-LB3
NiMH accumulator for class I and II T4:
type Z209A EXM-AK9
Power supply
intrinsically safe energy source, exchangeable
Li-battery (T6) or NiMH accu (T4)
exchange in Ex-areas admitted
Operating temperature
- 10°C ... + 40° C
Electromagnetic compatibility
EMV requirements DIN-EN 61326
Casing
PA impact resistant, antistatic, LCD cover
PC unbreakable
Circuit points
3 standard jacks
7-pin universal connector
Protection category
IP 54, device can be used in moist environments
Dimensions/weight
85 x 180 x 38 mm / 335 g