Aquas - Model SMR60 Series -Ultrasonic Flow Velocity Meter

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The Ultrasonic Flow Velocity Meter measures the flow velocity in river and open channel, output directly via RS485 communication interface, providing simple, reliable, cost-saving process data with remote monitoring, calibration, configuration and diagnostics capabilities. Housing in a robust IP68 proof enclosure, 1500 N tensile strength Kevlar reinforced cable, up to 1.2 km digital data transmission, the transmitter is ideally used in water/wastewater industry.

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Robust IP68 Water Submersible Enclosure, Solution Without Cabinet
On-line Realtime Measurement
Ultra Low Power Consumption, Ideal for Outdoor Applications
High Reliability, Drift Free
Surge Protection for Power and RS485 Communication
1.2 Km RS485 Digital Communication, Minimize Cabling and Engineering Cost
Software Configuration Calibration and Data Monitoring
Onboard memory allowing users to easily calibrate and configure sensor at lab and distribute to various fields sites
Standard Modbus RTU Protocol, Direct Connected with PLC, HMI, Eliminate I/O Module Cost

SMR60 Ultrasonic Flow Velocity Meter

Type : Ultrasonic Doppler
Frequency : 1 MHz
Sampling Rate : 4 times per sec

Flow Velocity :

Measurement range : 0.1~10 m/s
Accuracy : 2% of reading (flow rate≧0.3 m/s; Suspended Solods≧50 mg/L)
Resolution : 0.01 mm/s

Level :

Measurement range : 0~30 m
Accuracy : ± 0.25% FS
Resolution : 1 mm
Operating temperature : -20 ~70 °C
Response time : 5 secs
Protection : P68
Housing : POM
Dimensions : 47(H) Χ 120(W)x 228(L) mm
Weight : approx: 500 g; cable: 80g/m

Output Signal: RS485 (Modbus RTU protocol), 19,200 bps, 8 data bits, no parity, 1 stop bit; 4~20 mA (optional)
Data Resolution: 16 bits (0.001% FS)
Surge Protection: 4000 V DC
Power: 18~24 V DC ±10%, 50~100 mA
Protection: polarity, overload, short circuit
Safety: CE, FC

Typical Applications

Stormwater, surface water, wastewater

Measurement Method
The sensor combines proven continuous wave Doppler measurement technology with state-of-the-art spectral signal processing technology to provide an reliable and accurate way to measure velocity of flow.