Fieldpiece SRS1 Refrigerant Scale 110 LB measures refrigerant tanks up to 110 lbs with quick and easy recovery and charge weight alarms. The Fieldpiece SRS1 features a full numeric keypad for simple operation, a non-slip weighing pad, magnetic backing on the handle for hands free operation, a blue backlit display, water resistant build, a convenient soft padded carrying case, and more. The Fieldpiece SRS1 is an excellent refrigerant scale that is also highly portable.