What To Do If - wtw Turb 555 Operating Manual

Turb 555 / Turb 555 IR
"- - - - -" display
Display "Or"
c
display flashes
ba41113e07 04/2009
6

What to do if...

Cause
– The instrument is
measuring but the
measured value is not
yet stable
– There is a foreign body in
the cuvette shaft
Cause
– Measuring range
exceeded
Cause
– The adjusted calibration
interval has expired
Remedy
– Wait for a stable
measured value
– Remove the foreign body
Remedy
– During measurement:
This cannot be remedied.
Sample is not suitable for
the measurement
– During calibration:
Ignore the message and
continue the calibration as
usual. The instrument will
be properly calibrated.
Remedy
– Calibrate the instrument
(see section 4.4)
What to do if...
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