8
3.5 Store, Recall and Clear Data
3.5.1. Manual storage
When the measurement is stable, short press key,
M+ icon and storage serial number appear on LCD, storing measuring
information, see Diagram – 6.
3.5.2. Automatic timing storage
Set the storage timing (eg. 3 minutes) in parameter setting P3.3, icon
appears on LCD and the meter enters the timing storage mode. When
short press key, key flashes and the first measuring value is stored.
After 3 minutes, the 2
nd
measuring value is stored. See Diagram – 7: the meter
stores automatically eight measuring values. When short press key,
icon stops flashing and the meter stops automatic storage. In automatic
storage mode, manual storage does not work. Set time 0 in parameter setting
P3.3 to exit from the automatic storage mode.
3.5.3. Recall stored data
In the measurement mode, press key to recall the last stored
measuring value. See Diagram – 8: display RM icon and storage serial
number. Continue pressing key and key to recall successively the
stored measuring value. Press and hold key and key to recall the
stored measuring value quickly. Press to return to measuring mode.
3.5.4. Clear stored data
Select YES per parameter P3.6 to clear all stored value, refer to Section 7.5.
3.6 Auto. Power-off
The meter will be power-off after the meter stops operation for 20 minutes. To set automatic power off time
in parameter setting P3.7
3.7 Manual Temperature Compensation (MTC)
When the temperature probe is not connected to the meter, press and hold key or key,
temperature value flashes, then press (or press and hold) key or key to change the temperature
value, and press key to confirm.
4
pH Measurement
4.1 pH Electrode Information
The meter connects to 201T-F plastic three-in-one combination pH electrode with built-in temperature
sensor, with automatic temperature compensation function. Electrode housing is made of polycarbonate
engineering plastics, which is corrosion and impact resistant. The BNC socket of electrode connects pH
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