wtw pH 330i Mode D'emploi page 5

pH 330i/340i
Mains power (pH 340i only)
You can either operate the measuring instrument with batteries or with the
plug-in power supply. The plug-in power supply provides the measuring in-
strument with low voltage (7.5 V ... 12 V DC). This saves the batteries.
Warning
The line voltage at the operating site must lie within the input voltage range
of the original plug-in power supply (see T
Warning
Only use original plug-in power supplies (see T
3
l Plug the jack (1) into the socket (2) of the measuring instrument.
l Connect the original WTW plug-in power supply (3) to an easily accessi-
ble mains socket.
Switching on the measuring instrument
l Press the <
> key.
Display test appears briefly on the display.
After this, the measuring instrument automatically switches to the mea-
suring mode. The display shows the relevant measured value.
Mains power (pH 340i only)
ECHNICAL DATA
ECHNICAL DATA
2
R e f
1
).
).
5