HOP830 RS485 реки сточных вод parshall flume ультразвуковой открытого канала расходомер ультразвуковой расходомер
- Категория товара: Flow Meters >>>
- Поставщик (Оптовый магазин): Sichuan,Hongjun,Science,And,Technology,Co.,Ltd.
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Характеристики
The working principle of the ultrasonic open channel flowmeter is to use ultrasonic technology to measure the fluid level, and then obtain the flow through the microprocessor inside the instrument.
Due to the non-contact measurement, ultrasonic open channel flowmeters can be used in harsh environments. Under the control of the microcomputer, the ultrasonic open channel flowmeter transmits and receives ultrasonic waves, and calculates the distance between the open channel flowmeter and the measured liquid level according to the transmission time, so as to obtain the liquid level height. Since there is a certain proportional relationship between the liquid level and the flow rate, Therefore, the liquid flow rate can be finally obtained according to the calculation formula
Due to the non-contact measurement, ultrasonic open channel flowmeters can be used in harsh environments. Under the control of the microcomputer, the ultrasonic open channel flowmeter transmits and receives ultrasonic waves, and calculates the distance between the open channel flowmeter and the measured liquid level according to the transmission time, so as to obtain the liquid level height. Since there is a certain proportional relationship between the liquid level and the flow rate, Therefore, the liquid flow rate can be finally obtained according to the calculation formula
Flow range | 0~93m3/h(And determine the range with weir tank specifications) |
Weir trough type | Triangular weir, Rectangular weir, Full width weir, Parshall flume |
Display accuracy | Depending on the input signal. The flow error related with weir trough: Triangular weir :1~2%; Rectangular weir: 1~4%; Parshall flume: 3% |
Display | 2.8 inches LCD display, it can display height of liquid level, Instantaneous flow rate, cumulative flow, time flow, daily flow, year flow, month flow, date, month and year, the battery level (Can be arbitrarily set) |
Signal output | 4-20mA, RS485/ RS232 |
Relay contact capacity | AC:5A 120V DC:10A 24V |
Power supply | Working power: DC24V, or AC 160V-250V Normal power: <5 W |
Physical property | Main body shape size: 240*184*110 mm; Shell material: ABS Transducer: PP Connection: Thread or Screw fixation; Installation: Screw M48*1.5 Keyboard: Five bit chip key Sensor wire: 10M (Optional) |
Environmental performance | Working temperature: 0~50℃ Ambient humidity: ≤85RH Pressure: normal pressure |
Data storage | The past 168 hour flow. The past 31 days flow. The past 36 months flow and The past 10 years flow |
Optional instruments | Micro printer: 12V Battery Level gauge lead: The most remote can be connected to 1000 meters, need to be set by yourself. Minimum display resolution: 1MM Temperature compensation: Automatic temperature compensation Working frequency: 20KHZ~200KHZ (related to different models and specifications) Locale setting: Through the machine button to complete calibration: Factory calibration,also can on site calibration Display: 3 lines LCD display Support data collection |
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