The Mastercool 98315 Wireless Weighing Scale With Solenoid is a device that allows you to measure and charge refrigerant gas into a system without wires.

It has a wireless remote controller that can program the desired quantity, pause and resume the charge, and display the tank capacity and the wireless signal strength. It also has a solenoid valve that automatically stops the flow of refrigerant when the preset weight is reached. It is accurate, easy to use, and compatible with all US and EU standard cylinders.