Refrigerant Leak Detection

We could detect a refrigerant leak in 7 below ways:

If you find somewhere in the system with oil traces, probably that is the leakage point. This inspection method can’t position precisely because the leakage point is usually very tiny and many parts of the refrigeration system are barely visible. Unless it’s a big leakage point due to sudden break and the leaking liquid is colored.

Fill the cooling system with 10-20kg / cM2 pressure nitrogen, and then smear various parts of the system with soapy water. The Bubbling is the leakage point. This is the most common approach for repair workers. But due to human’s limited arms and visual acuity, you cannot very easily find the leakage points.

Fill the system with 10-20kg / cm2 pressure nitrogen, and soap it in the water. The bubbling is the point of leakage. One obvious drawback of this method is that the water for leak detection can easily enter the system. This will lead to corrosion of the materials in the system. At the same time, the high-pressure gas may cause more damage to the system. And the labor intensity during the leak detection is also great.

It applies the principle that fluorescent leak detector will emit a bright yellow-green under the UV / blue light leak detector. It could be used as detection for fluid leakage in various types of systems. What you need to do is just to add the fluorescent agent to the system according to a certain proportion. And after the system operates for 20 minutes, wear special glasses and shine the outside of the system with the leakage light detector. The leakage points will be yellow fluorescent.

By using the pressure difference between interior and exterior of the system, the sensor will enlarge this difference and express the test results in methods like digital, voice or electronic signal. This test way is also only “qualitative” to know whether the system leaks and cannot accurately find the leakage points.

By holding lighted-up halogen lamp close to the system, the flame color will turn into purple-blue when there is a leak. This method is dangerous not only with the flame but also the combination of flame and refrigerant will produce harmful gases, in addition, it is not easy to accurately locate the leak. So this method is almost out of use now.

This method has rapidly occupied the market thanks to its reliable and accurate functioning. By moving the probe against the possible leakage places, the device will give an alert when there is a leakage. The electronic leak detector is the most simple, quick and scientific leak detection method.