Metrohm 914 pH / Conductometer - Manual (Page 23)

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3 Installation
pH Meter/Conductometer
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CAUTION
Unauthorized manipulations
The instrument may be damaged as a result of unauthorized manipula-
tions.
￭ Use for charging only the supplied power supply unit (6.2166.100)
or the optional car charger adapter (6.2166.500), which have been
approved as accessories for use with this instrument.
￭ Your instrument's battery cannot be removed.
￭ Do not attempt to remove the battery from the instrument. To
replace the battery, take the instrument to your nearest authorized
Metrohm Service.
￭ Unauthorized replacement of the battery may result in a loss of the
warranty.
NOTE
Function of the control keys
For the installation steps below you need to use the control keys.
These are described in the following Operation chapter (see Chapter
4.4, page 25).
3.2.1 Charging the battery
NOTE
Charging the battery
The battery is charged only when the instrument is switched on.
Please observe the following procedure:
1. First, connect the USB cable to the supplied power supply unit, then
the power supply unit to the socket, and then finally the mini USB
connector of the cable to your instrument.
2. Now switch on the instrument using the key.
3. When the battery is fully charged, disconnect the power supply unit
first from the instrument and then from the socket.
or