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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.