Types And Choices of Leak Detectors for Underground Water Mains

Underground Water Pipe Leak Detectors are important tools used to detect whether an underground water pipe is leaking. They are able to quickly and accurately locate leaks through a variety of technologies and sensors, helping us to take timely measures to repair them. In this article, we will introduce several common underground water pipe leakage detector, and how to choose the right detector.

First, the types of underground water pipe leakage detector

1. Sonic leakage detector

The acoustic leakage detector is a device that uses acoustic signals to detect leaks in underground water pipes. It is placed in the underground pipe near the sensor to capture the sound signals generated at the leak, and then analyze these signals to determine the location of the leak. The acoustic leakage detector has the advantages of simple operation and high portability, and is widely used in the detection of underground water pipe leakage.

2.Geological radar

Geo-Radar is a kind of instrument that utilizes electromagnetic waves for detection and can scan the position and depth of underground pipes. It can scan the position and depth of underground pipes by transmitting electromagnetic waves and receiving the reflected signals, analyzing the amplitude and phase changes of the reflected signals, so as to determine the position and shape of the underground pipes. When an underground pipeline is damaged or leaking, geo-radar can help locate the abnormal area and thus determine the leakage point.

3. Infrared thermal imager

Infrared thermal imager is an instrument that uses infrared rays to detect the temperature distribution on the surface of an object. It can be used to detect the temperature distribution around underground water pipes. When water leaks from a pipe, it will carry away heat, resulting in abnormal temperature changes in the surrounding area. An infrared thermal imager can capture these changes and display them on an image to help find the leak.

4. Pressure Tester

A pressure tester is a device that is used to detect if there is a leak in an underground water pipe. It records meter readings by shutting off the water supply valve and then waiting for a period of time to check the meter readings again. If the meter readings change without the use of the water source, it indicates that there is a leak in the underground water pipe. Pressure tester operation is simple, low cost, but need to have certain professional skills to accurately determine the location of the leak.

Second, choose a suitable underground water pipe leakage detector

When choosing a suitable underground water pipe leakage detector, you need to consider the following aspects:

1.Applicability: choose a suitable detector according to the actual situation. Different occasions and environments may require the use of different types of detectors. For example, it may be more suitable to use acoustic leakage detectors or geo-radar in urban pipelines, while it may be more suitable to use pressure testers in agricultural irrigation systems.

2. Accuracy: Accuracy is one of the important factors in choosing a tester. A high precision detector can locate the leak more accurately, reducing misjudgment and repair costs. When choosing a tester, you need to understand its accuracy range and error rate.

3. Portability: portable detector is more convenient to carry and move, suitable for different sites and environments. At the same time, also need to consider the operation of simple and easy to use, convenient for non-professionals to use.

4. Maintenance: choose the maintenance of simple detector can reduce the cost of use and reduce cumbersome operation. Need to pay attention to the maintenance requirements of the detector and the availability of accessories.

5. In short, in the selection of underground water pipe leakage detector needs to be considered comprehensively in terms of applicability, accuracy, portability and maintenance and other factors, in order to choose the right detector to improve detection efficiency and reduce costs. At the same time, you also need to pay attention to the correct use and maintenance of the detector in accordance with the instructions to ensure its normal operation and extend the service life.