Xylem HandyLab 100 - Manual (Page 57)

HandyLab 100 What to do if...
57 ba77062d01 03/2014
Obviously incorrect
measured values
Meter does not react to
keystroke
You want to know which
software
version is in the meter
Cause Remedy
pH electrode:
– pH electrode unsuitable – Use suitable electrode
– Temperature difference
between buffer and test sam-
ple too great
– Adjust temperature of buf-
fer or sample solutions
– Measurement procedure not
suitable
– Follow special procedure
Cause Remedy
– Operating condition unde-
fined or EMC load unallowed
– Processor reset:
Press the <ENTER> and
<ON/OFF> key simultane-
ously
Cause Remedy
– E.g., a question by the ser-
vice department
– Switch on the meter.
Open the menu, <F1
_
> /
[Menu] / Storage & config /
SystemService informa-
tion. The instrument data
are displayed.