Cell cconstant ooutside tthe rrange 00 tto 115 ccm
-11
Error in measuring the cell constant in a solution of
a known conductivity
- Possible causes and • remedies:
- the solution was not at a temperature of
+25 °C/+75 °F.
• adapt temperature.
- the conductivity is not that of the value set
during calibration.
• reset the conductivity value of the test
solution in the instrument.
- the cell constant is > 15 cm
-1
.
• use other measuring cells.
Internal iinstrument eerror
- Possible causes and • remedies:
- faulty measuring instrument.
• return instrument to Testo’s service
department.
Error mmessages
ERROR 44+7
16
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