How to choose the most suitable leak detector?

SF6 leak detectors can generally be divided into quantitative leak detectors and qualitative leak detectors. Qualitative leak detectors have lower sensitivity, are portable, and the most common model is Bosch's XP-1A; KStone has a model to replace XP-1A. Smart-01b, Basically the same technology, more favorable prices.

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In fact, from our professional perspective, leak detectors like XP-1A are not suitable for SF6 leak detection due to their low sensitivity and susceptibility to false alarms; In general, this XP-1A is only used for leak detection of automotive refrigerants. SF6 leak detection in the high-voltage electrical industry and refrigerant leak detection in automotive air conditioning have completely different technical requirements;
In the high-voltage electrical industry, SF6 leakage may lead to the explosion of high-voltage switches. In automotive air conditioning, refrigerant leakage only causes the air conditioning to not cool, so the leak detection requirements in the two fields are different;

As the drafting unit of the SF6 sealing test method standard, we believe that using xp-1a for SF6 leak detection is not appropriate;

National standard: "GB/T11023-2018 High voltage switchgear - SF6 gas sealing test method" standard formulation

Quantitative leak detectors are generally used for calculating annual leakage rates using bandaging methods, and can also replace qualitative leak detectors. Generally speaking, quantitative leak detectors have higher sensitivity;
How to choose the most suitable leak detector?

1. Search for leaks, for example in the workshop, we recommend using KSTONE's LF-1D+, which has a maximum sensitivity of 0.01ppm and a response time of less than 0.5s; The disadvantage is that the weight is around 20 kilograms, so it is not very convenient to move;
2. To search for leaks at the installation site, we recommend using KSTONE's LF-200. Compared to LF-1D+, this model has a total weight of only 6.6kg, a sensitivity of 0.01ppm, and a response time of 0.5s;
3. If you want to calculate the annual leakage rate, we recommend LF-300, LF-301, LF-02-fr, or LF-03-fr, etc;

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