pH value Multi 3620 IDS
29 ba77169e01 04/2016
5 pH value
5.1 Measuring
5.1.1 Measuring the pH value
Stability control
(AutoRead )
The stability control function (AutoRead) continually checks the stability of the
measurement signal. The stability has a considerable impact on the reproduc-
ibility of measured values. The display of the measured parameter flashes until
a stable measured value is available.
You can start the Stability control function manually at any time, irrespective of
the setting for automatic Stability control (see section 11.6.3) in the System
menu.
The sensor connection and the USB-B (device) interface are gal-
vanically insulated. This facilitates interference-free measurements
also in the following cases:
Measurement in grounded test samples
Measurement with several sensors connected to one
Multi 3620 IDS in one test sample
1 Connect the IDS-pH sensor to the meter.
The pH measuring window is displayed.
2 If necessary, select the measured parameter with <M>.
3 If necessary, calibrate or check the IDS-pH sensor.
4 Immerse the IDS-pH sensor in the test sample.
5 Select the pH or mV display with <M>.
1 Freeze the measured value with <AR>.
The [HOLD] status indicator is displayed.
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