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USL Ultrasonic Slurry Interface

It is suitable for monitoring and controlling the thickness of the sediment layer.
● Waterworks

Sedimentation tanks ● Sewage treatment plant

Primary sink, secondary sink, concentration tank

Sedimentation tank

Mortar sedimentation tank

The ultrasonic sensor immersed in water sends a beam of ultrasonic waves to the bottom of the water. During the downward propagation of ultrasonic waves, it will reflect back when it encounters suspended and precipitated sludge, and the intensity of signals reflected by sludge layers of different densities is also different. The instrument can obtain the depth or thickness of the sludge interface by detecting the intensity and time of the reflected ultrasonic signal and processing it.

● Reliable ultrasonic echo measurement principle, easy to use;
● Optional automatic cleaning system reduces maintenance workload and improves work reliability;
● The ultrasonic emission energy is automatically adjusted, which can adapt to a variety of measurement media and a wide range;
● Advanced circuit design and software algorithms can eliminate on-site interference and the measurement results are stable and reliable;
● The large-screen LCD can display the measured values and graphically display the sludge layering status;
● Chinese menu, easy to operate;
● 4 ~ 20mA isolated current output;
● Fault self-diagnosis function;
● Upper and lower limit alarm and fault alarm relay outputs.

Measuring performance

Range: 0.50m ~ 12.00m

Resolution: 1mm

Accuracy: 10mm

Compensation: automatic temperature compensation

Display: LCD display date, time, measured value, historical trend line, etc., Chinese operation menu

Data storage: automatic storage function, power protection data protection

Field setting: done by the transmitter button

Output

Analog output: 4 ~ 20mA isolated, maximum load 750Ω, optional output current in fault state

Relay output: 2 alarm relay outputs, 1 timer relay output

Relay capacity: 2A, 250VAC

Digital interface: MODBUSRS485 (optional)

powered by

AC power supply: 85 ~ 265VAC, 50Hz / 60Hz

DC power supply: 24VDC ± 10%


Physical properties

Transmitter size: 231 × 185 × 119mm

Sensor size: Φ64 × 85mm

Material: Transmitter: PC Sensor: 304 stainless steel

Connection: 1 inch conical external thread


Environmental performance

Protection level: Transmitter: IP65 Sensor: IP68

Working temperature: Transmitter: -20 ℃ ~ 60 ℃ Sensor: 0 ℃ ~ 60 ℃

Relative humidity: 0 ~ 95%, non-condensing

Working pressure: max. 6Bar