
13
The key is used:
−
in the measurement mode − to enter data into the
electronic scratchpad. It is to be held depressed for 0.5 s;
−
when working with the electronic scratchpad and display
menu − to confirm selected parameters and operating
modes.
1.5.5 Measurement mode
1.5.5.1 Measurement displays
Display screen in pH measurement mode is shown in Fig. 1.2.
Display screen in pH
25
measurement mode is shown in Fig. 1.3.
Display screen in U measurement mode is shown in Fig. 1.4.
Figures displayed may be different.
Fig. 1.2 Fig. 1.3
Fig. 1.4
The display screen shows the following:
−
dry cell charge. The number of bars in the symbol shows the dry cell
charge level as follows: one bar − 25 %, two bars − 50 %, three bars − 75 %, four
bars − 100 %;
RECORD
ENTER
24 sep. 13:56
10.508
рН
22.5
C
28 sep. 10:58
8.552
рН
25
20.5
С
24 sep. 14:06
−
987.3
mV
22.5
С