EUTECH INSTRUMENTS ALPHA CON 500 2-WIRE TRANSMITTER Instrukcje Operacyjne Pobierz pdf (Strona 17)

6.2 ORP – mV Calibration

This mode allows one-point calibration.

1) Enter Calibration mode. While in Measurement

mode, push the CAL key. Press the ENTER key.

The upper and lower display reads “CAL OrP”.

Note: If the upper and lower display read “CAL PH”,

see section 7.4 for procedures on how to switch from

pH to ORP mV readings.

2) Place sensor in the ORP solution.

3) Press the ENTER key to begin calibration. The

“CAL” indicator appears on the display. The upper

display shows the current mV output of the electrode

without any offset adjustment.

4) Press the ∆

∆∆

∆ and ∇

∇∇

∇ keys to adjust the mV value to that of the standard

solution.

5) To confirm, press the ENTER key. The controller calculates the

correction factor and returns to the Measurement mode.

CAL

OrP

SETUP

HOLD

226

HOLD

CAL

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EUTECH INSTRUMENTS ALPHA CON 500 2-WIRE TRANSMITTER Instrukcje Operacyjne Strona 17