Doppler Ultrasonic Flow Meter, 0.03~5m/s

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Model: RDDLZ-FLOW-DUPL
Weight: 1.00
SKU: RDDLZ-FLOW-DUPL

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RDDLZ doppler flow meter adopts ultrasonic doppler effect principle to measure the speed, the water circumference is more than 5cm can work, the working voltage range is wide (DC10~30V), the standby current is only 65mA/12V, and the working current is 106mA/12V, the performance of energy efficiency is excellent. IP68 waterproof design ensures the stability of the operation in the harsh environments, the structure of the flowmeter is compact and lightweight, the weight of 180g, which is suitable for the narrow installation space to provide flexibility and efficient monitoring and control.

Specification

Model	RDDLZ-RSDOPL-N01-1
Supply Voltage	DC10~30V
Power Consumption	Standby current 65mA/12V
Power Consumption	Measurement current 106mA/12V
Flow Rate	Measurement range: 0.03~5m/s
Flow Rate	Measurement accuracy: ±1.0%+1cm/s
Water Level	Measurement range: 0.03~5m/s
Water Level	Measurement accuracy: 0.3%±0.5cm
Temperature	Measurement range: -10°C~60°C
Temperature	Measurement accuracy: ±1°C
Instantaneous Flow Rate Range	0~99.99mm³
Cumulative Flow Range	0.1-999999mm³
Measuring Interval	Settable, default 3s
Interface Type	RS485 (ModBus-RTU)
Working Temperature	-10°C~60°C
Waterproof Rating	IP68
Dimension	2106535mm
Net Weight	180g

Features

Streamlined Design: Adopt smooth body design, effectively reduce water obstruction and ensure more accurate measurement.
Self-protective Cover: The outlet line is equipped with a protective cover, which enhances the aesthetics and durability at the same time, prolonging the service life.
Sturdy Metal Base: The base is equipped with a fixed device, stable structure, easy to install, providing reliable support for the Doppler flowmeter.

Dimension Drawing (unit: mm)

Installation

Applications

Tips: How does a doppler ultrasonic flow meter work?

Doppler flow meters utilize the Doppler effect to calculate flow rate by measuring the change in frequency of ultrasonic waves reflected in a fluid. When the ultrasonic signal encounters particles or bubbles suspended in the fluid, part of the sound wave will be reflected back and frequency shift. The flow meter calculates the flow rate of the fluid by detecting this frequency shift, which results in a volumetric flow rate. This technique is particularly suitable for measuring liquids containing particles or bubbles.

When installing and maintaining a Doppler ultrasonic flowmeter, choose a location that ensures good signal transmission, such as a straight section of piping, and avoid locations near bends, valves, or pumps. Ensure that the fluid has enough particles or bubbles to reflect the ultrasonic signal. For pure liquids, it may be necessary to choose other types of flow meters. With regard to maintenance, the equipment usually does not require frequent calibration, and due to its non-contact measurement design, routine maintenance is less effort, reducing operating costs

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