YOKOGAWA PH450G User Manual

<3. OPERATION OF pH/ORP>
3-11
IM 12A01A02-01E 8th Edition : Oct. 01, 2015-00
NOTE
Updating the trend screen setup resets the current trend graph and starts a new one.
12.00
8.40
5.60
2.50
12:00 12:20 12:40
10.38pH
Minimum
Maximum
Average
Time
Tag:
Measurement value (pH)
PH
pH1
Current process value
Max. and min. values on this display
Figure 3.10 Trend screen
The 1st display item data on the Main display is shown as a graph. Touching any point on the
display changes the display to the 2nd display item data (and to the 3rd display item data if set)
and then returns to the Main display.
12.00
8.40
5.60
2.50
12:00 12:20 12:40
10.38pH
Tag:
PH
pH1
12.00
8.40
5.60
2.50
12:00 12:20 12:40
25.0°C
Tag:
PH
Temperature1
Next
20
12
4
mA
15.00
Figure 3.11 Trend graphics
3.6 Instrument status screen
In the eld of the Main display, the (Warning) or (Fault) sign appears according
to the instrument status. Upon pressing the displayed button, detailed information of the relevant
status appears.
See “n Information button
” on page 1-9.
PH
3

YOKOGAWA PH450G Specifications

General

Brand	YOKOGAWA
Model	PH450G
Category	Measuring Instruments
Language	English