Installation; Installing The Batteries; Connecting A Sensor - Mettler Toledo SevenGo Duo pro pH/ORP/Ion/Conductivity meter SG78 Mode D'emploi

3 Installation

Carefully unpack the meter. Keep the calibration certificate in a safe place.

3.1 Installing the batteries

a) Slide the release button on the battery cover in the direction of the arrow.
b) Hold the lid with two fingers and remove it.
c) Insert the batteries in the battery compartment, as indicated by the arrows on the inside of the com-
part ment.
d) Replace the battery cover and push back the button to fix the lid in place.
Note
The IP67 rating requires the battery compartment to be perfectly sealed. The sealing ring around the bat-
tery cover must be replaced if it is damaged in any way.

3.2 Connecting a sensor

IP67 sensors
To connect the IP67 sensors, make sure that the plugs are properly inserted. Twist the RCA (Cinch) plug
to ease the attachment of the sensor.
ISM sensor
®
When connecting an ISM
i bra tion data to be transferred automatically from the chip of the sensor into the meter and is used for fur-
ther measurements. After attaching the ISM
●
The meter must be switched on.
●
(If the meter is already switched on) the READ key is pressed.
●
(If the meter is already switched on) the CAL key is pressed.
We strongly recommend you to switch off the meter when disconnecting an ISM sensor. In doing so, you
make sure that the sensor is not removed while the instrument is reading data from or writing data to the
ISM-chip of the sensor.
The ISM icon
on the display.
The calibration history, the initial certificate and the maximum temperature can be reviewed and printed
in the data memory.
pH/ORP/Ion/Conductivity meter SG78
sensor to the meter, one of the following conditions have to be met for the cal-
®
sensor ...
®
appears on the display and the sensor ID of the sensor chip is registered and appears
Installation
5