Programmable Digital Charging Scales with Solonoid valve. This scale can be programmed to allowed a specified charge of refrigerant into a cylinder or system. When this weight of refrigerant is reached the solonoid in the scale will automatically cut the refrigerant flow and prevent any further refrigerant movement. An audible warning will also sound. Feature: Back Light LCD Display Built in Solenoid valve, when charging is completed, the solenoid valve will automatic shut off and warding the users with audible sound. Memory Feature allows stoarge of up to 100 charge / recovery programs Automatic shutt off after 10 minutes of non-use, backlight will shut off after 3 minutes of non use. Unit is designed with a fail feature that will close the valve in the events of lost power due to low battery voltage or if the unit is inadventently turned off. Display "FULL" when the weight exceeds the specified range Specification Capacity: 220LBS Accuracy: 0.5% of the reading Resolution: 5g Power: 5 x AA alkaline batteries Battery Life: 60 Hours continuous use Weight: 2.74Kg Platform Dimensions: 9" x 9" x 2" W x L x H Use For R134a, R12/R22 for R410 need additional adapters (not Included) Each Side with 1/4" SAE fitting. Additional 2pc 1/2" ACME adapters for R134a Carrying Case Included
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