Vibrating-wire piezometer

Digital output, high waterproof performance

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Product Introduction

Vibrating-wire piezometer

The vibrating‑wire piezometer is a pore‑water pressure measurement device based on the vibrating‑wire sensing principle. It is designed for long-term installation in soil, concrete dams, or foundations to monitor seepage pressures and water‑level fluctuations. The sensor features a stainless‑steel construction and a thermally stable design, offering high accuracy, low drift, and excellent corrosion resistance. When paired with an intelligent data‑acquisition system, it enables remote calibration, fault diagnosis, and seamless integration with cloud platforms, making it widely used in hydraulic engineering, geological hazard monitoring, and geotechnical engineering applications.

keyword：

Vibrating-wire piezometer

Category：

Environmental Structure Monitoring

PRODUCT FEATURES

  • Compact and highly sensitive: Featuring a compact design and a small footprint, it also delivers high output sensitivity, making it ideal for tight spaces.
  • Long-lasting, stable, and reliable: The device features an all-stainless-steel construction and a high‑waterproof design, ensuring long-term stability and reliability when installed underground.
  • Long-distance data transmission: It outputs a digital signal based on the vibrating‑string principle, offering strong anti‑interference performance and supporting longer‑distance signal transmission.
  • Temperature Synchronization Correction: It can simultaneously measure the temperature at the installation location, providing an accurate temperature correction basis for pressure measurements.

TECHNICAL SPECIFICATIONS

Technical Name Technical Specifications
Measurement range 0~350 kPa
(0~700, 0~1000, 0~2000, 0~3000 optional)
Resolution 0.025%FS
Fitting/End-Group Accuracy 0.1%F.S / 0.5%F.S
Temperature measurement range -40 ~ +80°C
Sensitivity ±0.1°C
Temperature measurement accuracy ±0.5°
Correction factor b 0.10 KPa/°C
Water pressure resistance Measurement range: 1.2 times
Insulation resistance ≥50MΩ
 

Note: Frequency modulus

F=Hz²×10⁻³

APPLICATION FIELD

This solution targets potential geological hazard sites along railway corridors—such as slope faces, tunnel portals, and embankments—by deploying smart sensors including inclinometers, crack meters, GNSS devices, and rain gauges to establish an automated monitoring and early‑warning system. It collects real-time data on deformation, rainfall, and other parameters, transmitting it via multi‑link communication to a cloud platform, where intelligent algorithms perform analysis and issue tiered alerts. The system has been successfully implemented in projects such as the Xiang–Gui Line, the Nanning Railway Bureau’s flood‑control network, and the Huangbai Railway, significantly enhancing the railway sector’s capacity for preventing and mitigating geological hazards.

Geological Hazard Monitoring and Early Warning Solution for Railway Corridors

The smart port monitoring solution covers multiple aspects, including port equipment, cargo handling processes, yard safety, personnel operating procedures, environmental changes, port operational efficiency, and energy consumption. By collecting and analyzing data in real time, the system can promptly identify and address issues, thereby ensuring stable, safe, and efficient port operations. At the same time, monitoring and optimizing energy consumption helps ports reduce energy use and improve energy efficiency.

Smart Port Solution

By leveraging a variety of sensors and wireless communication devices, farm data can be transmitted in real time and automatically to the screens of agricultural managers, thereby establishing an integrated, IoT-based connection between farmers and their fields. Furthermore, the application of RFID and other tagging technologies enables the development of modern agricultural logistics systems for warehousing and transportation, facilitating effective monitoring and assurance of food safety. At the same time, the collection and networking of farm data support the monitoring and early warning of natural disasters, streamline regional management, and promote extensive information sharing and agricultural automation.

Smart Agriculture Cultivation Solutions

This solution is designed for scenarios such as tailings ponds, heap leaching sites, and industrial waste‑slag storage facilities in both metallic and non‑metallic mines. It deploys intelligent monitoring devices—including GNSS, piezometers, water level gauges, rain gauges, flume flow meters, inclinometers, crack meters, and video surveillance—to establish an online safety monitoring and early‑warning system for tailings facilities. By continuously collecting real‑time data on dam displacement, the phreatic line, pond water levels, seepage rates, rainfall amounts, and on‑site imagery, the system transmits this information via 4G, Beidou, or LoRa to a cloud‑based platform. Advanced stability analysis models then perform intelligent data interpretation and tiered warning assessments. When threshold values are exceeded, the system automatically issues alerts and activates on‑site alarm devices, providing round‑the‑clock, comprehensive technical support for safe tailings‑pond operations, flood‑control and emergency management, thereby effectively mitigating the risk of dam failures.

Tailings Pond Monitoring and Early Warning Solution

RELEVANT CASES

Railway Turnout Safety Monitoring Project

Railway Turnout Safety Monitoring Project

Nanchang Railway Bureau High-Barrier Collision Monitoring and Alarm System

Nanchang Railway Bureau High-Barrier Collision Monitoring and Alarm System

Xing’an Yinjian Tailings Pond Automated Safety Monitoring Project

Xing’an Yinjian Tailings Pond Automated Safety Monitoring Project

Guizhou Geological Disaster and Territorial Security Monitoring Project

Guizhou Geological Disaster and Territorial Security Monitoring Project

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Contact Information

0773-5682099

13677730170

18878322077

market@spepc.com

6th Floor, Building 10, Entrepreneurship Industrial Park, Chaoyang Township, Qixing District, Guilin City, Guangxi Zhuang Autonomous Region

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