Complaint
Function:
*Test the flow of drinking water through the tap-water pipe, convert reading information to digital signal and output, then remote reading by network or reading by handheld device, finally achieve data management and remote control in computer.
Feature:
*Sealed wet structure, character wheel is covered by special liquid for anti-freezing purpose.
*Adopt photoelectric encoding passive direct reading technology, read conveniently and maintain long time clarity.
*M-BUS data signal output.
Maximum Permissible Error:
*In the lower zone from Qmin Inclusive up to but excluding Qt is±5%.
*In the upper zone from Qt inclusive up to and including Qs is±2%.
Working Condition:
*Cold water: ≤40ºC.
*Pressure: ≤1.6Mpa.
Installation:
*The water meter must be horizontally installed, with the reading surface upwards and the direction of the arrow being the same as the direction of the water flow.
*The pipeline must be flushed before installing the water meter.
*The water meter must be installed in a dry and easy to maintain environment, install in a dedicated water meter box is recommended.
*Valves must be installed at the inlet and outlet of the water meter.
Electric Correlation Parameter:
*Communication numerical ratio: 2400bps.
*Communication distance: 300m.
*Working current: (1.3~1.5)mA.
*Working voltage: 12~22V.
*Recommended voltage: 20V.
*Min store data time: no limitation.
*Mode of connection: adopt M-BUS bus standard, normal two cores cable
connection, non-polarity.
*Wire: RVV2X(0.5-1m)two cores shield cable, the resistance of wire per 100
meters≤6Ω.
*Mechanical transformation error: ≤1 min.
*Transformation division value communication protocol:CJ/T1 88- 2004
household meter date Transmission Technique termor Defined by customers.
