Wireless Time-of-Flight Ultrasonic Flowmeter (Large Range)

The wireless time-of-flight ultrasonic flowmeter consists of a master unit and slave units that operate in synchronization on both banks. In waterways where cable installation is not feasible, the wireless system represents an ideal solution for flow measurement over large expanses of water. The master unit can be flexibly configured to accommodate multiple slave units, supporting single-layer, multi-layer, and cross-layer acoustic path systems. This technology plays a crucial role in monitoring water levels, flow velocities, and flow rates in applications such as reservoir storage, regulation of river runoff, flood control, irrigation, and water supply.

Classification:

LSH10-1QM Wireless Time-of-Flight Ultrasonic Flow Meter (Large Range)

Keyword:

流量计

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Product details

Instrument Overview

The wireless time-of-flight ultrasonic flowmeter consists of a master unit and slave units that operate in synchronization on both banks. In waterways where cable installation is not feasible, the wireless system provides an ideal solution for flow measurement over large expanses of water. The master unit can be flexibly configured to accommodate multiple slave units, supporting single-layer, multi-layer, and cross-layer acoustic path systems. This technology plays a crucial role in monitoring water levels, flow velocities, and flow rates in applications such as reservoir storage, regulation of river runoff, flood control, irrigation, and water supply.

Performance Features

(1) Ultra-wide measurement cross-section: The maximum measurement width reaches 2000 m, making it suitable for wide river surfaces.

(2) Easy installation: No need to erect or pre-bury cables across the river; does not interfere with navigation and is simple to maintain.

(3) High-precision measurement: Multi-layer flow velocity measurement + flow integration algorithm, delivering high measurement accuracy.

Technical Parameters

Measurement principle	Wireless Time-of-Flight Ultrasonic Flow Measurement
Operating frequency	200 kHz (river width <150 m) / 90 kHz (river width <300 m) / 28 kHz (river width <1000 m)
River channel width	Less than 2000 m
System Architecture	The master units are arranged on both sides of the river channel, with the main unit positioned either in the machine room or on the river channel side. The master and slave systems are connected wirelessly.
Flow rate range	-20 m/s ~ 20 m/s
Flow rate accuracy	0.1% (rule section)
Flow rate resolution	0.001m/s
Number of sound paths	Configurable from 1 to 8 audio channels
Flow accuracy	1.0% (rule section)
Sensor pressure resistance	1 MPa (100 meters)
Host display	7-inch color touch screen, Chinese with backlight
System power	Continuous operation <10W
Host installation	Wall-mounted
Host Material Protection	PC material, protection rating IP67
Sensor installation	Layered installation on the left and right banks
Sensor Materials and Protection	PVC/stainless steel material, protection rating IP68
Cable length	Standard 20m
Operating temperature	-20 ~ 70℃
Data transmission	NB/CAT1/5G optional
Data logging	16GB SD card, with a recording cycle exceeding 10 years.
Data interface	Supports RS485, RS232, and analog input/output.
System software	Real-time operating system based on FreeRTOS
Communication protocol	Standard MODBUS RTU Protocol
Operating temperature	-40 ~ 80℃
Power supply voltage	10 ~ 26 VDC