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Air Pump Features: Weight Capacity: 220lbs/100kg Resoution: +/-0.2oz/0.01lbs/5g Accuracy: ±0.05% of reading Operation temperature range: 32°F to 122°F (0°C to 50°C) Storage temperature range: -4°F to 158°F (-20°C to 70°C) Platform size: 9.1"*9.1" Item Weight: 20.3lbs Box Include: 1 x Refrigerant Charging Scale, 1 x Carrying Case, 1 x Manual Instruction This vacuum pump is equipped with a high-quality copper motor, which can be quickly started and run stably, and does not need extra maintenance for long life. The built-in fan design facilitates heat dissipation when the air pump is working and ensures its high performance. Made of high-quality material that is durable and wear-resistant. High accuracy of reading sight-glass for easy viewing of the refrigerant flow.






