The DRS220 is the most accurate and precise refrigerant meter available today with features that cannot be found anywhere else. It is ideal for HVAC and Refrigeration service, including Critical Charging of small refrigeration systems. With the DRS220, you can measure weight in both metric and english units.
The DRS220 is programmable, and has a built in alarm to indicate a programmed threshold has been exceeded. Attaching the DRS220 to the DRSCM (optional, extra) allows automatic refrigerant charging for A/C systems.