... data at a glance,and operational prompts for effective servicing, Refrigerant recharging / recovering / recycling / ststem evacuation all in one ... manual valve and manual parts operation.Built-in a Special refrigerant working tank, safe and credible; Built – in ... rate:170L/m Application refrigerant:R22,R502,R12,R134a,R404A,R407C(PR223A)Application refrigerant:CFC,HCFC,HFC(PR223B)Precision of electronic ...