Setting Up - Radiometer Analytical MeterLab PHM220 Mode D'emploi

This instrument has been developed to meet the requirements of
electrochemical applications. It is therefore aimed at experienced
users who have the knowledge required to operate the instrument
and implement the security instructions enclosed. Please remem-
ber that this system must not, under any circumstances, be used
to perform tests on living beings.
Make sure that the PHM220 mains socket is within easy access,
for quick disconnection purposes.
1. Raise the pH meter by means of the
blue tilt-up levers, if desired.
2. Check that the voltage selection
switch setting (115 V - 230 V)
corresponds to the mains voltage;
see figure 1. If not, use a suitable
tool to move the white arrow to the voltage setting required.
3. Connect the mains socket of the PHM220 to the mains supply
using a 3-lead power cord. In the USA or Canada, use a UL
listed power cord only. If the meter is to be used in the USA with
a 230 V supply, the tandem blade type attachment plug cap has
to be used (615-405).
4. If the PHM220 is not grounded through the power cord, provide
grounding via the ground terminal
essential for reliable measurements and security.
5. Connect the electrodes to the dedicated terminals; see next
page.
6. For instructions concerning the connection of peripherals, please
refer to page 59.
ELECTRODE
INPUT
REF
TEMP
Figure 1: Rear panel of the PHM220

Setting up

The PHM220 pH Meter
REC LI-BATTERY 3.6V
SIZE AA/R6
. Efficient grounding is
PRINTER/PC LINE FUSE T100mA L250V
230
115/230 Vac 47.5-63 Hz 8 VA
Setting up
15 ¡
5