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• Make sure the measurement is processed in container.
• Clean or re-calibrate or replace with a new probe
• Move to another room and try again , it is supposed that the unstable
reading is caused by strong RF interference field.
The reading is not changed
• If the status is in "HOLD", release the status.
• If the measurement is in MTC, input temperature value.
Slow response
• Clean and re-calibrate the probe.
• Replace with a new probe.
Wrong real time
• The wrong real time display will not affect the measurement. Contact the
distributor to purchase battery and acquire replacement procedures.
Error code
E02
Reading is under the lower limit
E03
Reading is over the upper limit
E04
The original data error result in this error
E12
Factory calibration data error
Solution: Re-start meter might solve this error
E13
Slope or offset value of pH probe is out of the range
E31
Measuring circuit failure
Solution: Re-start meter might solve this error
E32
Memory IC failure
10
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