EUTECH INSTRUMENTS CON 700 - REV 2 Manuál s instrukcemi stáhnout pdf (Strana 26)

Calibration error.

Buffer value does not

match displayed value or

electrode is disconnected

or failing.

Use fresh buffer solutions.

Check electrode connection.

Clean & recondition electrode.

Replace electrode.

Broken or worn electrode Replace electrode Unstable pH

reading

External ‘noises’ or

induction (electrical ‘noise’

caused by a nearby motor)

Remove or switch off interfering

device

Slow

response

Dirty electrode. Clean & rehydrate the electrode

CAL

during pH

CAL mode

Calibration was attempted

using only 1-point that was

not pH 7 (USA) or pH 6.86

(NIST).

Recalibrate using 2 or more pH

points or use pH 7 (USA)

or use pH 6.86 (NIST).

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EUTECH INSTRUMENTS CON 700 - REV 2 Manuál s instrukcemi Strana 26