SenTec

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doppler ultrasonic-meter

SPDV200F Doppler Open Channel Flowmeter

SPDV200F Doppler Open Channel Flowmeter can obtain the velocity of the fluid by measuring the Doppler frequency shift of the sound waves scattered by the moving particles in the fluid. Combined with the built-in pressure water level gauge, the velocity area method can be used to measure the flow of the liquid. The display can designed with handheld meter or wall-mounted display meter.

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The application principle of SPDV200 ultrasonic Doppler current meter is that the ultrasonic sensor is placed in the measured channel and river channel, and the sensor sends ultrasonic wave to the water. According to the reflected ultrasonic signal strength and other parameters, the water velocity can be calculated, and these data are transmitted to the user through the built-in hardware and software. It is widely used to measure the velocity of water in pipelines, channels or rivers.

Parameters

Measurement typevelocity, discharge, water depth and water temperature
Flow velocity measurement range (water depth above sensor: 10cm)The positive velocity is + 0.03m/s to + 5.00m/s;

The negative velocity is – 1.00 M / s to – 0.03 M / S (optional);

Other flow range can be customized.

Velocity measurement resolution1 mm / S
Accuracy of velocity±2～3%
Water depth measurement range0.02-3.00m, 0.02-10.00m (confirm the maximum water depth before ordering)
Water depth resolution1 mm
Water depth accuracy0.5%
Temperature range0～60° C
Temperature resolution0.1 ° C
Flow range

10 L / S ~ 9999999 m3 / h

Working voltage12 ~ 13VDC (Min.10.3VDC, Max.14VDC)
Output signalRS485 Modbus protocol
Wireless transmission (option)GPRS RTU wireless transmitter
Cable length of sensor10M (Default)
Liquid requirements0 ~ 60 ℃, non solidification,1 standard atmospheric pressure in natural environment
Liquid pH requirementsPH value between 6~8
ApplicationPipeline, channel, natural stream, river

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