Apure MQ Ultrasonic Open Channel Flow Meter using open channel technology, based on the calculation method of velocity and water level, by measuring the height of fluid level, combined with the geometric dimensions of standard weir groove, slope coefficient, channel accuracy, hydraulic ramp, vertical plane correction coefficient of velocity, and then through the microprocessor calculation inside the instrument to get the flow.

High precision, good repeatability
Electric pulse signal output, wide range
Anti – electromagnetic interference anti – vibration ability

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Because of non-contact measurement, open channel flowmeters can be used in harsher environments. Open channel flowmeter under the microcomputer control, transmitting and receiving ultrasonic wave, according to the transmission time calculated open channel flowmeter from the measured liquid level distance, so as to get the liquid level height, because of the liquid level and flow between a certain proportion, so according to the calculation formula can finally get the liquid flow Q.

Brand	Apure
Model	MQ
Measurement range	0~±10m/s
Accuracy	flow rate is better than ±1%
Display	2 x 10 Chinese backlit characters or 2 x 20 character LCD display
Flow direction	Positive and negative two-way metering, and measure positive, negative
Data interface	RS485 serial turbulence, can be upgraded by PC computer, support MODBUS and other protocols
Data recording	positive/negative/net accumulations at 512 days, 128 months and 10
Signal output	1 channel 4-20mA current output 1 relay output
Signal input	3 channels of 4-20mA analog input, accuracy 01%, can collect pressure, liquid level, warm sleep and other signals