Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 - Manual (Page 46)

<3. OPERATION OF pH/ORP>
3-4
IM 12A01A02-01E 5th Edition : Oct. 31, 2013-00
n Measurement setup
Select a suitable measurement parameter from among those displayed and set it up.
Measurement parameter setup can be made only when “pH + ORP” is selected on the Sensor
setup screen.
For details, see section 4.2.1.
n Temperature settings
Select a suitable temperature element from among those displayed and set it up.
Celsius (ºC) or Fahrenheit (ºF) temperature scale can be selected.
For details, see section 4.2.2.
n mA (output)
Select a suitable process parameter from among those displayed and set it up.
For example, the mA output of pH has been set to 0 – 14 pH at factory shipment. If the resolution
needs to be improved, set a suitable value for the process.
For details, see section 4.3.
3.3 Home display, Main display and Monitor
display
Pressing changes the screen to the Main display shown in Figure 3.3 (or the Home display
shown in Figure 3.4).
If two sensors are connected, pressing on the Main display changes the display to the
Home display shown in Figure 3.4.
If only one sensor is connected, is grayed out and disabled on the Main display.
10.38
Tag:FLXA21–PH
19
25.0
mV
4mA 20mA PH1
°C
pH
Figure 3.3 Example of main display
6.35
Tag:FLXA21–PH
24.9
4mA 20mA PH1
°C
24 mV
pH
Tag:FLXA21–PH
25.0 °C
19 mV
pH
10.38
Figure 3.4 Example of home display