220 lb Wireless Refrigerant Scale

This NAVAC wireless refrigerant scale measures weight as you add or remove refrigerant during HVAC service. Use it to track refrigerant quantities when charging or recovering a system. Its capacity, accuracy and battery requirements help you choose a scale for your service setup. - Measurement range: 220 lbs - Accuracy: 0.05% - Power source: 4xAA, 4xAAA - Weight: 3.3 lb