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Portable hand-held box structure, flammable refrigerant simulated refrigerant leakage refrigerant flow control device. High control, fast response time. No need to use electronic scale to control refrigerant leakage rate.
Portable hand-held box structure, flammable refrigerant simulated refrigerant leakage refrigerant flow control device. High control and fast response time. No need to use electronic scale to control refrigerant leakage rate. Can be remotely controlled to better protect the safety of operators.
Hand-push combustible refrigeration release mass flow control device, which can control more than 130 kinds of gases including R32, R454B, R290, R600a, etc., with high control accuracy and fast response time.
