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Refrigerant standard leakage hole (adjustable leakage rate) VTL-20B type
The VTL-20B series standard leak hole is a channel type refrigerant (halogen) standard leak hole, and the leak hole element is a micro-channel capillary tube. Its leak rate or calibration accuracy is 0.1g/a, and the leak rate range is:(0~10)g/a. Customers are supported to specify the leak rate or customize the annual leak rate, such as 1g/a,2.5g/a,5g/a,..., Other leakage rate units can also be specified, such as Pa · m3/s (≥ 5 × 10-6 Pa · m3/s), and large leakage rate of 10~100g/a can also be customized.
Refrigerant standard leak hole (fixed value) VTL-20D type
VTL-20D series of leaks are channel-type fixed-value standard leaks, and the leak element is a micro-channel capillary, with a leak rate or calibration accuracy of 0.1g/a, which supports customers to specify leak rate or annual leak rate customization, such as 1g/a,2.5g/a,5g/a,..., Other leakage rate units can also be specified, such as pa m/s (≥ 5x 10-6Pa m3/s), and large leakage rate of 10~100g/a can also be customized.
The adjustable leak rate standard leak hole is a channel type leak hole, which can span 3 leak rate orders of magnitude. It can be used as a vacuum leak hole or a positive pressure leak hole, realizing the superior performance of 3 calibration orders of one leak hole and greatly facilitating the use of customers.
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.
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