Xylem Lab 850, starting from serial number 09470315 - Manual (Page 16)

Commissioning Lab 850
16 ba75890e01 11/2009
CAUTION
Make sure that the poles of the batteries are the right way round.
The
± signs on the batteries must correspond to the ± signs in the
battery compartment.
Only use leakproof alkaline manganese batteries.
Switching on the meter
Setting the date and
time
Connecting the power
pack
You can either operate the measuring instrument with batteries or with
the plug-in power supply. The plug-in power supply supplies the mea-
suring instrument with low voltage (12 VDC). This saves the batteries.
CAUTION
The line voltage at the operating site must lie within the input
voltage range of the original power pack (see page 59).
CAUTION
Use original power packs only (see page 59).
Note
You can carry out measurements without the power pack.
1 Switch on the meter with .
A display test is briefly displayed.
2 See page 43.
3 Insert the plug into the socket of the pH meter.
4 Connect the original power pack to an easily accessible power
outlet.