21
Daily maintenance
Generally, the instrument does not need daily maintenance. If there is any fault, you can contact
our company and carry out adjustment and repair under the guidance of our technical
personnel.If the user has no check condition or needs maintenance, please contact the
manufacturer.
Please pay attention to the following points in use and maintenance:
(1)
1) Zero-oxygen calibration: Place the electrode in 5% sodium sulfite solut
.The closer the
display value is near to zero the better.
(2)
2) Calibration in 100% air: The displayed value corresponds to the saturated dissolved oxy
value at the current temperature. If the difference is large, the zero oxygen and calibration in
100% air can be repeated twice.
(3)
3) The maintenance of the sensor is
y simple, generally no maintenance is required, only
when the reading is abnormal. Take out the sensor from the sewage and rinse the membrane
cap with clean water. Please be careful when washing the fluorescent membrane cap.
(4)
4) The fluorescent cap is recommended to be replaced once a y
.
Summary of Contents for T4046
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