Aquametrix 2200C Conductivity Controller User Manual Manual de usuario descargar pdf (Pagina 19)

• Adjust the offset and span of the 4-20 mA output

7.2 Access to Utility Menu

7.2.1 The Utility Menu is protected by password. To access the Utility Menu press and

hold both RUN and ENTER for five seconds until the PASSWORD LED illuminates.

The RUN LED will flash to warn that Utility Menu is in use. Now with the arrow keys

make the display read the password, "7". Press ENTER.

7.2.2 The Utility Menu is entirely separate from the Operations Menu but uses the same

LED display. Press CALL to step through the menu items.

Below is the cross-reference between menu items:

Operations Menu

Utility Menu

Range

Range Change

Output High

Temperature Output 100% (5Vdc)

Output Low

Temperature Output 0% (0Vdc)

Control Relay Setpoint

0-1mA / 0-5Vdc Adjust low

Control Relay Deadband

0-1mA / 0-5Vdc Adjust high

Alarm High

4-20 mA Output Adjust Low

Alarm Low

4-20 mA Output Adjust High

7.3 Range Selection

7.3.1 The table below shows the ranges which are available for the 2200C together with

the relevant cell constant for each range.

Range uS

Required Cell Constant

0-2uS

0.01

0-5 uS

0.01

0-10 uS

0.05

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 27 28

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Aquametrix 2200C Conductivity Controller User Manual Manual de usuario Pagina 19