Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 Uživatelský manuál stáhnout pdf (Strana 173)

<15. OPERATION OF SENCOM pH/ORP>

15-4

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 16.2.1.

n Temperature settings

In the case of temperature sensors, the temperature parameter is automatically set when

connection is made.

Celsius (ºC) or Fahrenheit (ºF) temperature scale can be selected.

For details, see section 16.2.2.

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 16.3.

15.3 Main display and Monitor display

Pressing changes the screen to the Main display shown in Figure 15.3.

10.38

Tag:SENCOM

25.0

4mA 20mAPH1

°C

Figure 15.3 Example of main display

On the Main display, pressing of the 2nd or 3rd display item causes the 1st display item to

be replaced by the selected item.

NOTE

Measuredvaluestobedisplayedinthe1stto3rddisplayitemsdependontheuserdenition

(seesection16.7.1).Forexample,onthedefaultconditionofpHmeasurement,the1stdisplay

item is pH, the 2nd display item is temperature, and the 3rd display item is empty.

WhentheMONITORdisplayisenabled(seesection16.7.5),pressingthe1stdisplayitemonthe

home display or the main display changes the display to the Monitor display with the enlarged

font of the measured value.

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Yokogawa 2-Wire Dual Channel Transmitter/Analyzer FLXA21 Uživatelský manuál Strana 173