Check the listing for details. Digital Refrigerant Charging Weight Scale Freon Scale for HVAC 220Lbs with Case. Condition: New. Listed at 67.58 USD. A Refrigerant Charging Scale is ideal for HVAC and refrigeration service, including the critical charging of small refrigeration systems. This Refrigerant Charge Scale offers the highest accuracy of +/-0.25oz.(5grams.), delivering dependability to get the job done right. The slip resistant platform handles all types of refrigerant cylinders with ease. It's really an ideal tool for recharging and recovering all types of refrigerants. Features: High capacity: 220lbs.(100kg) Three display modes: KG kg/LB lb/OZ oz/KG G (kg and gram dual display)/LBS OZ (lb and oz dual display) Automatically shuts off after 10 minutes of non-use; Backlight will shut off after 3 minutes of non-use High-visibility LCD screen and backlight for display Aluminum combined with silicone creates high traction and prevents slippage Slip-Resistant 9" x 9" weighing Platform Built-in memory remembers previous reading Display will state, "FULL" when the load exceeds the specified range Designed with a fail-safe feature that will close the valve in the event of lost power due to low battery voltage or if the unit is accidentally turned off Flexible long coil design Rugged, compact design, completely portable High accuracy and resolution Can be used with all refrigerants Heavy duty carrying case included Specification: Capacity: 220lbs. (100kg) Accuracy: +/- 0.5% of reading Resolution: 5g /0.010lbs./0.25oz. Power: 9V DC Unit: Lb/Kg/OZ Operation temperature:32 °F to 122 °F (0 °C to 50 °C) Color:BlackItem Weight:3.3kg/7.2lbs Product material: HDPE + rubber + aluminum alloy + PC+ABSProduct Size: Scale: 23*23*5cm/9*9*1.96inElectronic Scale: 14.8*18.8*3.2cm/5.8*7.4*1.25inBack Bracket Raise Height: 6.5cm/2.55inShell Size: 34.5*31*6.5cm/13.5*12.2*2.55inDisplay Size: 6.8*2.5cm/2.67*0.98in Package Included: 1 x Refrigerant Charging Scale; 1 x Carrying Case; 1 x Manual Instruction