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Product Details

Product Description

Product Introduction The product is a kind of sensor that measures flow velocity and flow rate in natural waters, channels or pipes. The flowmeter is divided into two parts: sensor and host, connected by cable. To be able to measure flow velocity and flow rate in channels and rivers, the water level has to be 20 cm higher than the sensor. To be able to measure flow velocity and flow rate in pipeline and culvert, water level has to be more than 20 cm higher than the sensor, tubing inner diameter has to be ≥500 mm.

Specification

Operating Principle
The sensor is fitted with two energy converters, one for transmission, one for receiving. On the premise that the sensor is facing the water flow direction, i.e.
countercurrent direction:
1.When water is static, the transmission and receiving frequencies are the same.
2.The faster the velocity is, the faster frequency the sensor receives signal, and it will be higher than transmission signal.
3.The slower the velocity is, the slower frequency the sensor receives signal, and it will be lower than transmission signal.
Direction:
1.When water is static, the transmission and receiving frequencies are the same.
2.The faster the velocity is, the faster frequency the sensor receives signal, but it will be lower than transmission signal.
3.The slower the velocity is, the slower frequency the sensor receives signal, but it will be lower than transmission signal.
Hardware and software can calculate water flow direction and velocity.
The sensor has to be installed facing the water flow direction

Technical Parameters Initials for Field Irrigation Doppler flowmeter	FIDF Model no.
River channel flowmeter	GRCF
Non-full pipe flowmeter model	DTF
Measurement categories	velocity, flow, water depth, water temperature
Level of protection	IP68
Velocity measuring range	the standard is 0.04 m/s ~ 5.00 m/s (the sensor is 20 cm above minimum depth)
The velocity measurement resolution	1 mm/s;
Velocity measurement precision	±2~4% of measuring velocity
Water depth measurements	0.02 m ~ 10.00 m
Temperature range	0~60ºC
Flow range	10 L/s ~ 99999999 cubic meters/hour
Output signal (battery)	RS485
Power supply	battery, 12 VDC
RS485 output signal content	flow velocity, instantaneous flow, cumulative flow, water level and temperature
Output signal (external power supply)	4-20 mA
4-20 ma output signal content	instantaneous flow rate
Liquid temperature requirement	0 ~ 50 ºC
PH value requirement	PH between 6 ~ 8, no corrosive effect on sensor.
Cable length between sensor and transmitter	10 m

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Company Profie

Dalian Taijia Technology Co.,Ltd is a high technology company which specializes in supplying and supporting of ultrasonic measurement equipment. prime products include ultrasonic transit-time flow meter, hand held ultrasonic flow meter, portable ultrasonic flow meter, wall mounted ultrasonic flow meter, fixed ultrasonic flow meter; electromagnetic flow meter, insertion flow meter, vortex flow meter, gas flow meter, rotameter, turbine flow meter, thermal mass flow meter. Our products are widely used in water supply and drainage water, petroleum and chemicals, food and pharmaceutical.