Metrohm 781 pH/Ion Meter - Manual (Page 27)

2 Installation
780/781 pH/Ion Meter, Manual
17
2.5 Mains connection
The pH/Ion Meter has an external power supply (6.2153.000) providing
12V (DC). This is connected to 12V mains connection 12.
Mains cable
One of the following cables is supplied with the instrument
•
6.2154.000 Mains cable 2 Pol (C7) – EU (XVI)
• 6.2154.010 Mains cable 2 Pol (C7) – US (N1/15)
• 6.2154.020 Mains cable 2 Pol (C7) – GB (BS89/3)
• 6.2154.030 Mains cable 2 Pol (C7) – AUS (SAA/2)
and is connected to the external power supply.
Please make sure that the power supply is always kept dry. Protect it
against direct liquid contact .
2.6 Switch on
After the selected accessories have been connected switch on the
pH/Ion Meter with the <ON/OFF> key (see also Section 4.3). The in-
strument will start in the last operating mode to have been used for
measuring pH, temperature, potential or concentration (781 only).
During the switch-on process an instrument checking routine is carried
out automatically. If an error message is displayed here (' Err x ') then
please contact your local Metrohm agency.
ON/OFF