EUTECH INSTRUMENTS alpha-pH 2000D Manuel d'instructions télécharger pdf (Page 23)

Instruction Manual αlpha-pH2000D

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Note: If there is a calibration error, the controller displays “CAL ERR”. If this happens,

push both ▲ or ▼ keys (escape) to restart the calibration beginning from Step 1.

Note: If you stop calibration after entering the first value, or if calibration is

defective, the controller will use its original calibration data.

5.5 View actual zero and slope

ENT

CAL

MEAS

ATC

1. While in Measurement mode press the CAL key. The display will prompt you to enter a

security code. Leave the security code at “000” (view only mode).

2. Press the ENT key.

The display shows the slope in mV (upper value) and the pH reading at 0 mV (zero point, lower

value).

Note: If no key is pressed for 30 seconds the transmitter automatically returns to

the Measurement mode.

3. Press the ENT key to return to the Measurement mode.

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EUTECH INSTRUMENTS alpha-pH 2000D Manuel d'instructions Page 23