FGP: Flow empty pipe alarm, flow display 0
1. Whether the meter is not well grounded. Whether the pipe material on site is a non-conductive pipe material (such as plastic, duplex steel), if it is a non-conductive material, grounding is required.
2. The conductivity of the measuring medium is low. Press the third button to find the MTP value, see what is it? If it is higher than 500, the conductivity is low, enter the password 19188 to enter the parameter setting, and find the "empty pipe alarm threshold". The upper display shows the measured conductivity, and the lower display shows the factory. The set empty pipe alarm threshold can be changed to 300-500 higher than the measured conductivity.
3. Please check whether the pipe is full or the liquid contains air bubbles.


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