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How Doppler Flowmeters Adapt to Low-Velocity Measurements in Open Channels and Pipelines

How Doppler Flowmeters Adapt to Low-Velocity Measurements in Open Channels and Pipelines

Doppler flowmeters operate based on the acoustic Doppler effect. A probe emits ultrasonic signals at a fixed frequency into the water. As suspended particles or air bubbles in the water move with the flow, they reflect these signals back. A frequency shift occurs between the reflected echo and the e...

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How Online Water Quality COD and Turbidity Sensors Achieve Dual Compensation for Turbidity and Temperature

How Online Water Quality COD and Turbidity Sensors Achieve Dual Compensation for Turbidity and Temperature

Online water quality sensors for COD and turbidity utilize a dual-light-source (UV254) measurement system. One light source measures COD, while the other measures turbidity; the system automatically applies both turbidity and temperature compensation. These sensors support immersion-style installati...

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How GNSS Displacement Monitoring Stations Achieve Millimeter-Level Deformation Detection

How GNSS Displacement Monitoring Stations Achieve Millimeter-Level Deformation Detection

By utilizing differential positioning and choke-ring antennas to suppress multipath errors, GNSS displacement monitoring stations can provide stable, millimeter-level 3D coordinate data—even during long-term, unattended operation in the field—thereby offering a continuous and reliable basis for as...

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How Online Water Hardness Sensors Achieve Stable Monitoring via the Conductivity Method

How Online Water Hardness Sensors Achieve Stable Monitoring via the Conductivity Method

Water hardness is a fundamental parameter in industrial water treatment and environmental water quality monitoring; excessive hardness often leads to scaling in pipelines and reduced equipment efficiency. Online water hardness sensors replace manual sampling with continuous measurement, providing re...

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How Integrated, Self-Powered GNSS Monitoring Stations Achieve Millimeter-Level Displacement Monitoring

How Integrated, Self-Powered GNSS Monitoring Stations Achieve Millimeter-Level Displacement Monitoring

Integrated, self-powered GNSS monitoring stations utilize differential RTK (Real-Time Kinematic) technology to provide millimeter-level displacement data for engineering safety monitoring. These units consolidate a GNSS receiver, a power supply system, and a communication module into a single enclos...

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Water PH Sensor: Selection, Installation, and Maintenance

Water PH Sensor: Selection, Installation, and Maintenance

The Water PH Sensor is designed for environmental water quality monitoring and the testing of water samples with varying ionic strengths. It supports RS485 and 4-20mA outputs, utilizes a low-impedance glass membrane combined with signal isolation technology, and features an IP68 ingress protection r...

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Portable Ultrasonic Water Depth Meter Utilizing Ultrasonic Technology for Water Depth Surveying in Rivers, Lakes, and Reservoirs

Portable Ultrasonic Water Depth Meter Utilizing Ultrasonic Technology for Water Depth Surveying in Rivers, Lakes, and Reservoirs

Portable Ultrasonic Water Depth Meter employs an ultrasonic measurement method with a range of 0 to 150 meters and a blind zone of 0.5 meters. It features automatic gain adjustment and a resolution of up to 0.1 millimeters. Capable of operating in both still water and flowing water with velocities o...

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Residual Chlorine Sensor Enables simultaneous online monitoring of residual chlorine and pH levels in water

Residual Chlorine Sensor Enables simultaneous online monitoring of residual chlorine and pH levels in water

Residual Chlorine Sensor Equipped with a pH detection unit, this system covers a measurement range of 0–5 mg/L for residual chlorine and 0–14 for pH. It supports RS485 Modbus-RTU communication, making it ideal for continuous water quality data collection in applications such as water treatment pla...

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Water Depth and Temperature Detector is designed for conducting hydrological and bathymetric surveys in rivers, lakes, and reservoirs

Water Depth and Temperature Detector is designed for conducting hydrological and bathymetric surveys in rivers, lakes, and reservoirs

Water Depth and Temperature Detector utilizes the principle of acoustic reflection to collect water depth data. It features a measurement range of 0 to 80 meters with a blind zone of no more than 0.5 meters. It is suitable for use in both still water and flowing water (with flow velocities up to 5 m...

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Photovoltaic Weather Stations: Collecting Environmental Data to Support the Stable Operation of Distributed PV Power Plants

Photovoltaic Weather Stations: Collecting Environmental Data to Support the Stable Operation of Distributed PV Power Plants

Photovoltaic (PV) weather stations are specialized meteorological instruments designed for the solar energy sector. They monitor parameters such as wind speed and direction, temperature and humidity, atmospheric pressure, total solar irradiance (global horizontal irradiance), sunshine duration, and...

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