Taijia Portable Clamp on Ultrasonic Doppler Flowmeter Digital Flowmeter Flow Meter
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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