Xylem PH1970i PORTABLE PH METER - Manual (Page 20)

Switching on the measuring instrument pH 1970i
20 ba75675e01 01/2007
Switching on the measuring instrument
Measuring
Overview of the measuring modes:
Special functions:
AutoRead
(drift control)
The AutoRead function checks the stability of the measurement signal
(except for the measurement of the ORP voltage). Activate AutoRead with
. Press to start the AutoRead measurement. During
the AutoRead measurement, AR flashes on the display until a stable
measured value is reached. This can be terminated at any time taking over
the current measured value with .
Temperature
measurement
during pH
measurements
You can use pH electrodes with and without temperature sensors. The
measuring instrument recognizes which temperature sensors are connected
and switches automatically to the correct mode for the temperature
measurement (display TP).
Manual temperature input: Set the temperature value with <
▲ > < ▼ >.
z Press the key.
The Display test appears briefly on the display.
After this, the measuring instrument automatically switches to the
measuring mode. The display shows the relevant measured value.
pH value
Redox-
voltage
mV