VWR avantor OXY 11 Manual De Instrucciones página 14

EN
English
Sensor and
membrane cap
Electrolyte
solution
Error symptom
The sensor is in the air
and the display shows
0.00 mg/l or 0.0 % O
The sensor cannot be
calibrated
The sensor still cannot
be calibrated after
changing the electrolyte
and membrane head
Incorrect temperature
display
Mechanical damage to
the sensor
Meter displays OFL
(display range exceeded)
14
For disposal, unscrew the membrane head and rinse the sensor and membrane
head with water. We recommend disposing of the sensor without the membrane
cap as electronic refuse. The membrane head may be disposed of with the
household refuse.
Disposal according to the safety data sheet.
6 What to do if ...
Cause
– No connection between
measuring instrument and sensor
– No electrolyte in the membrane
2
head
– Cable defective
– Contaminated membrane head
– Electrolyte depleted
– Membrane damaged
– Membrane cap not screwed on
tight enough
– Contaminated electrodes or
sensor toxification
– Temperature sensor defective
– Short-circuit between working
electrode and counter electrode
Remedy
– Check connection between
measuring instrument and sensor
– Replace and refill the membrane
cap (see section 5.3)
– Return the sensor
– Replace and refill the membrane
cap (see section 5.3)
Subsequently, wait for 30 to
50 min and recalibrate.
– Screw membrane head tighter
– Clean the electrodes (see section
5.4)
– Return the sensor
– Return the sensor
– Clean the electrodes (see section
5.4). If the meter still displays
OFL, return the sensor.
ba75842e04
OXY 11
05/2021