Connecting The Power Pack; Switching On The Meter - wtw Avantor VWR pH 1100 L Operating Manual

Commissioning
16
1 Open the battery compartment (1) on the underside of the
meter.
Caution
Make sure that the poles of the batteries are positioned correctly.
The ± signs on the batteries must correspond to the
battery compartment.
Note
Alternatively, you can also use Ni-MH rechargeable batteries (type
Mignon AA). In order to charge the batteries, an external charging
device is required.
2 Place four batteries (type Mignon AA) in the battery compart-
ment.
3 Close the battery compartment.

4.2.2 Connecting the power pack

Caution
The line voltage at the operating site must lie within the input volt-
age range of the original power pack (see section 3.1).
Caution
Use original power packs only.
1 Insert the plug into the socket of the pH 1100 L.
2 Connect the original power pack to an easily accessible power
outlet.
Note
You can carry out measurements without the power pack.

4.2.3 Switching on the meter

<On/Off>
1 Press the
The meter performs a self-test.
The display shows the manufacturer's logo while the self-test
is being performed.
Subsequently, the meter switches to the measuring mode
(measured value display).
key.
pH 1100 L
±
signs in the
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