VWR MD 8000 L, Руководство по эксплуатации

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What to do if... MD 8000 L
86
ba77218e01 11/2018
Error message,
Error
15.3 Conductivity
Error message
OFL, UFL
The measured value is outside the measuring range.
Error message,
Error
15.4 General topics
Sensor symbol
flashes
Cause Remedy
– Measured value outside the
measuring range
– Use a suitable IDP D.O. sensor
Cause Remedy
– Sensor contaminated – Clean the sensor
– Measured temperature value
outside the operating conditions
(display of OFL/UFL instead of a
temperature value)
– Keep to the temperature range for
the test sample
– Defective sensor – Calibration
– Exchange the sensor cap
– Replace the sensor
More information and instructions on cleaning and exchange of
sensors are given in the documentation of your sensor.
Cause Remedy
– Measured value outside the
measuring range
– Use a suitable IDP conductivity sen-
sor
Cause Remedy
– Sensor contaminated – Clean the sensor and replace it if
necessary
– Calibration solution not suitable – Check the calibration solutions
Cause Remedy
– Calibration interval expired – Recalibrate the measuring system