Xylem Lab 850, starting from serial number 09470315 Manual de usuario descargar pdf (Pagina 55)

Lab 850 What to do if...

ba75890e01 11/2009

6 What to do if...

Error message

Err1

Error message

Err2

Error message

Err4

Error message

CalError

Cause Remedy

pH electrode:

– Measured value outside the

measuring range

– Use a suitable electrode

– Air bubble in front of the

junction

– Remove air bubble

– Air in the junction – Extract air or moisten

junction

– Cable broken – Replace the electrode

– Gel electrolyte dried out – Replace the electrode

Cause Remedy

– No electrode connected – Connect the electrode

– Setting time during calibration

too long

– Adjust temperature if

necessary

– Recalibrate

Cause Remedy

– Temperature not stable during

calibration.

– Adjust temperature if

necessary

– Recalibrate

Cause Remedy

pH electrode:

– The values determined for zero

point and slope of the electrode

are outside the allowed limits.

– Recalibrate

– Junction contaminated – Clean junction

– Electrode broken – Replace the electrode

Buffer solutions:

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 72 73

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Xylem Lab 850, starting from serial number 09470315 Manual de usuario Pagina 55

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