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Custom leak (helium leak detector built-in standard leak) VTL-EA type
Leak detector built-in standard leak hole is a very important part of the leak detector components, and is closely related to the accuracy of the leak detector, a standard leak rate used to calibrate its accuracy in the detection process of the leak detector.
Custom Leak (Open Standard Leak) VTL-D Type
Open gas standard leak hole can specify pressure, leakage rate, etc. at the same time. Open standard leak hole does not have gas chamber or gas storage device. It needs external gas source and is suitable for any leak detector and leak detection system.
Channel type positive pressure leak VTL-C type
According to the outlet pressure, the leakage hole is divided into vacuum (negative pressure) leakage hole and positive pressure leakage hole, which is mainly determined by the use conditions. When the outlet of the leak is to the atmosphere, the standard leak is called a positive pressure leak. For example, the leak with the suction gun method belongs to this category.
Zero flow valve standard leak VTL-BA type (the latest self-research)
Microchannel leak hole (E-3 ~ E-10)Pa.m3/s Dongbei @ self-developed manual integrated design valve, zero leakage Advantages: small air chamber, small attenuation
Channel Type Standard Leak VTL-B Type (He)
The channel type leak hole belongs to the real leak type leak hole. The leak hole element is a physically throttled leak channel that can pass through all gas components. Generally, pure gas is used to obtain the required gas leak rate. The VTL-B type of this product is vacuum leak hole, which is a device widely used in vacuum technology and leak detection. It is designed to produce a known and constant gas leak rate, in order to provide an accurate and repeatable reference during testing.
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