Digital electronic charging scales show the progress of the charge as its happening, indicating when to close the valves and stop the charge. Programmable electronic charging scaleshave added capabilities for automated, faster and more economical charging. Works with any refrigerant in any system and charging accuracy is equal to scale accuracy +/- 0.25 oz. Mesh filter in charging module protects solenoid valve from debris. Removable control module on retractable 5 foot coiled cord.
