EUTECH INSTRUMENTS DO 6 PLUS Manuel d'instructions télécharger pdf (Page 11)

Instruction Manual pH 5+, pH 6+, Ion 6+

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3. Press CAL to enter pH calibration mode. “CA” displays momentarily before the

display flashes the current un-calibrated reading.

4. To abort or cancel calibration without accepting the new value, press CAL key. The

meter will automatically revert to pH measurement mode.

5. Allow reading to stabilise if necessary. Press ENTER key to confirm calibration.

“CO” displays momentarily before reverting to pH measurement mode.

6. For highest accuracy, perform a multiple-point calibration. Repeat step 1 with

additional pH buffer calibration standard solutions.

3.1.2 Changing the pH Buffer Group

You can calibrate with pH standards of either USA, NIST (nSt) or Low Ionic (Pb) pH

buffer groups. The factory default is USA. To abort buffer group selection press CAL to

revert to pH measurement mode.

1. Press and hold MODE while switching the meter on using the ON/OFF key. The

display shows “bUF” blinking.

2. Press ENTER key to begin buffer group selection mode. Use the MODE key to

toggle between USA, NIST or Pb as shown below.

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EUTECH INSTRUMENTS DO 6 PLUS Manuel d'instructions Page 11