Home > Products > Other products > Taijia output signal 4-20ma doppler ultrasonic flow meter brackets calibration china
Taijia output signal 4-20ma doppler ultrasonic flow meter brackets calibration china
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Product Description
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
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.
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- Dalian Taijia Technology Co., Ltd.
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