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Portable Groundwater Level Meter

The portable water level meter WH311 is widely used in ocean, river and lake measurement, water conservancy, field geological exploration, environmental monitoring, and other industries. It has the advantages of battery power supply and unattended continuous operation. It can continuously record changes in water level or temperature, and by setting the data acquisition interval, it can record data for days to years. Its measurement range can reach 100 meters, 300 meters, or even 1000 meters, mainly based on the high-pressure, high-sealing sensor chip built into the WH311, an integrally molded structure with proprietary intellectual property design, waterproof and anti-clogging technology, and signal transmission using wear-resistant, high-tensile strength steel wire cable to ensure that the measurement signal can be output and displayed in real-time with high precision and stability. Wanhe portable water level meters have been used in Xinjiang and Guizhou Geological Bureaus, Wuhan Seismological Bureau, Southwest Engineering, and Liaoning Environmental Monitoring exploration sites, directly solving the problem of difficulty in field liquid level measurement.

Classification:

Level Measurement

Keyword:

Overview
Overview
Specs
Certs
Applications

Application Overview
Groundwater level and temperature measurement is particularly important for the mining industry, groundwater exploration, and hot spring water temperature and level monitoring industries. China is rich in groundwater resources, and in many areas, groundwater is the main source of water for human production and life. This requires strengthening the monitoring of deep wells to guide the rational use of water by humans. Real-time monitoring of changes in the dynamic water level of deep wells is also conducive to earthquake monitoring and provides big data support for geological and seismic industry monitoring. The WH311 deep well water level measurement instrument is an ultra-low power consumption, IP68 high protection level, wired communication, and multi-sensor acquisition monitoring device. It is suitable for monitoring sites with harsh environments and can realize data acquisition, storage, alarm, and transmission of underground wells, fire safety, dam health, and water supply and drainage networks, etc., and is particularly suitable for underground well applications.

System Overview
The WH311 groundwater level measurement instrument relies on a deep well water level sensor probe and has the advantages of fast construction speed and real-time long-distance transmission. It integrates front-end detection and back-end real-time display to achieve groundwater level monitoring, and can monitor groundwater level and temperature data. The matching paperless recorder can record data in real time, generate various reports and curves, and provide data analysis and decision-making basis for customers. This system is an important means of grasping the changes in groundwater, understanding the groundwater exploitation situation, and guiding the protection of groundwater resources.

Application Challenges:
  1. Complex environmental conditions: Equipment often faces complex environments such as high temperature and high pressure, requiring instruments to have excellent anti-interference ability and durability.
  2. Continuous operation: The system needs to operate continuously, so the monitoring system must have high reliability and stability to ensure long-term continuous monitoring.
  3. Data integration and real-time performance: Real-time integration and analysis of various monitoring data are needed to enable rapid response and adjustment, ensuring the safe and efficient operation of the system.
  4. High-precision and high-stability products are required.
  5. Maintenance difficulty: The maintenance of equipment is difficult, and monitoring instruments need to be easy to maintain and repair to reduce downtime.

Solution Advantages:
  1. High anti-interference ability: Our instrument design has strong anti-electromagnetic interference capabilities, enabling stable operation around the equipment and ensuring the accuracy and reliability of the data.
  2. Durability and stability: Using high-quality materials and advanced manufacturing processes, the instrument can operate stably for a long time in high-temperature and high-pressure environments, reducing failure rates and maintenance costs.
  3. Real-time data processing: Equipped with a high-performance data processing unit, it can collect, process, and display monitoring data in real time, supporting rapid decision-making and response.
  4. Supports intelligent system integration: Our solution integrates advanced sensors and intelligent control systems to achieve comprehensive monitoring and control of multiple parameters, optimizing production and transmission processes.
  5. IP68 protection level, polyurethane steel wire cable tensile force to cope with deep-water pressure environments.
  6. Convenient maintenance design: The instrument is designed for easy installation and maintenance, reducing maintenance time and cost, and improving the overall operational efficiency of the system.
7Provides an intelligent solution for recording liquid level signals.

I. Specific Requirements

Unit: Guizhou Provincial Geological Bureau 111 Geological Team

Operating environment: Yuhongxia geothermal water extraction test, deep well depth 1000 meters, water temperature within 90℃.
Monitoring requirements: Real-time display of deep well water level during the water extraction test to provide a basis for calculating geothermal resource extraction; automated monitoring to improve office efficiency and reduce labor input;
   Ensure the accuracy, timeliness, and effectiveness of the data;
   Ensure long-term work at 1000 meters underwater, at temperatures below 90℃.

II. Measurement and Analysis

Due to the special nature of the measurement of deep well water level monitoring, non-contact methods such as radar level meters and ultrasonic level meters cannot effectively transmit signals, and magnetic level indicators and bubble-type level meters have depth limitations.
Now, the WH311 deep well probe uses a laser static pressure principle (laser calibration of zero point and full scale), greatly simplifying the measurement process and reducing the cost of on-site data acquisition. The WH311 is easy to install; only the level probe needs to be fixed 3-5 meters above the deep well pump when the pump is lowered into the well to complete the installation. It is suitable for deep well water level measurement monitoring, solving the problem of difficult deep well water level measurement, and meets the following user needs:

1	Component Structure	Built-in monitoring components: Water level monitoring and water temperature monitoring are completed by one probe.
2	Accuracy	Measurement sensitivity and range: It can accurately measure the subtle fluctuations in groundwater level and temperature and monitor a larger range of water level and temperature fluctuations.
3	Waterproof Performance	The WH311 probe adopts a fully welded one-piece structure design, ensuring normal operation at 1000 meters underwater. Each unit undergoes a 20 MPa waterproof test (equivalent to 2000 meters underwater waterproof);
4	Steel Wire Cable	Signal transmission uses a high-strength polyurethane steel wire cable (during placement, pay attention to protecting the cable) to ensure real-time, high-precision and stable output of temperature and liquid level measurement signals;
5	Protecting the Deep Well Pump	Real-time display of deep well water level and temperature, and with high and low liquid level alarm function, it can be linked with the deep well pump to achieve the low-level stop pump function, preventing the deep well pump from burning out.
6	Power Supply Options	Two power supply requirements can be achieved: AC 220V power supply; DC 24V outdoor portable battery;

*Requirements for water extraction test monitoring equipment and transmission system
Install one set of automatic groundwater monitoring equipment, which can measure and record water level, water temperature and other elements, and can automatically record data; the automatic recorder shell is made of stainless steel, with a simple structure and small size; the monitoring frequency is optional (1S-4 minutes), and the data storage capacity is no less than 200,000; data can be exported directly in table format.

III. Scheme Design Diagram and Installation Instructions

IV. Wiring Instructions

1. The liquid level and temperature probe WH6 displays the real-time liquid level on the top and the real-time temperature on the bottom.

2. It has a recording function to record data, and the random U disk can export the data to generate table data at any time.

V. Guizhou Geological Bureau 111 Geological Team successfully signed a contract using Wanhe Instrument's solution

VI. On-site Construction Drawings

VII. Product Pictures

VIII. Product Certification (For detailed certification information, please visit: www.whsensors.com)

1. Inspection and certification group inspection report
2. CE FCC certification
3. RoHS certification
4. Intertek SGS third-party calibration certificate
5. Shenzhen Institute of Metrology 0.25-level calibration certificate