Tianyi Sensor IOT Technology Co., Ltd
Sales Manager:Ms. Emily Wang
Cel,Whatsapp,Wechat:+86 15898932201
Email:info@fengtutec.com
Add:No. 155 Optoelectronic Industry Accelerator, Gaoxin District, Weifang, Shandong, China
Sales Manager:Ms. Emily Wang
Cel,Whatsapp,Wechat:+86 15898932201
Email:info@fengtutec.com
Add:No. 155 Optoelectronic Industry Accelerator, Gaoxin District, Weifang, Shandong, China
Model:FT-L1S2
Brand:tianyi
1.Ultrasonic Flow Meter product principle:
Ultrasonic Flow Meter provides highly accurate flow measurement results in hydraulic applications, providing accurate intrusive flow measurement.In the field of acoustics, when there is relative movement between the sound source and the receiver (i.e., the probe and the reflector), the frequency of the echo will change.This frequency change is called frequency shift, that is, the Doppler effect.The frequency of the sound wave becomes higher when moving towards the observer and lower when moving away from the observer.The Doppler flow meter calculates the flow velocity by calculating the frequency change.
2.Ultrasonic Flow Meter technical parameters
1.Power supply: DC10-15V
2.Working current: approximately 10mA standby, 60mA measurement
3.Sound wave frequency: 2MHZ
4.Blind spot: 10 cm
5.Flow rate range: 0.02-10 meters/sec
6.Water depth range: 0.02-5 meters
7.Temperature: 0-50°
8.Measurement cycle: 20 seconds
9.Sensor material: ABS, stainless steel
10.Output interface: RS485
11.Working water depth: 0.2 meters-5 meters
3.Ultrasonic Flow Meter installation instructions:
Normal installation ensures 20CM below the minimum water level to avoid exposing the water
Sensor installation diagram:
4.Things to note about Ultrasonic Flow Meter
1.The sensor needs to avoid silt and collisions of objects such as gravels.Where there are many aquatic plants, grilles need to be installed to prevent aquatic plants from entangling.
2.Sensor installation direction, the sensor transmission surface needs to be installed in the flow direction.
3.The sensor has a sound wave blind spot.Try to ensure that the sensor is below 20 cm underwater (the sensor may have false data under semi-exposed water or blocked by sludge, and the probability is very low.Usually, the data will appear large numbers such as more than 2 meters/second.It is recommended that secondary developers use sensors to shield the large flow rate value by the water level, or the water flow rate is not that large in actual application scenarios, which can directly shield the flow rate greater than 2 meters or more).
4.The cable vent pipe is not difficult to break, affecting the water level measurement.
5.Try to do a good job in signal and power lightning protection.
6.If the sensor cable is connected to a length, you need to add a 485 relay, and the power supply avoids the interference of the inverter.
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