Sample Measurements - Mettler Toledo SevenGo Duo SG23 Mode D'emploi

5 Sample measurements

a) Place the electrodes in the sample and press READ to start a measurement.
The decimal point blinks.
The display shows the measurement value of the sample.
The automatic endpoint
dis play freezes automatically, and
b) Press and hold READ to switch between the auto and manual endpoint modes. To manually end-
point a measurement, press READ.
The display freezes and the stability icon
Alternating display
a) Press and hold MODE to activate the alternating display during measurement.
b) Press and release MODE to stop alternating display.
c) Press and release MODE to switch to another measurement mode.
Stability criterion for pH and mV measurement: the signal of the sensor input must not change by
more than 0.1 mV in 5 seconds.
Stability criterion for conductivity measurement: the sensor input signal of the must not deviate by
more than 0.4% from the measured average conductivity of the probe in 6 seconds.
pH/conductivity meter SG23
is the default setting in the meter. When the signal has stabilized, the
appears.
appears.
Sample measurements
13