Mastercool High Precision Charging Scale - Measure Small Cans of Refrigerant 

Mastercool’s high precision charging scale accurately measures small cans of refrigerant for charging systems that need a precise charge.
• Hex cylinder adapter included for easy attachment of refrigerant cylinder to scale
• Specially designed for R600a and R290
• Built in check valve will hold any remaining refrigerant within the 36” nylon tube
• Slim design for easy storage
• Two button keypad for easy operation
• Unit change (grams & ounces)
• One touch tare weighing function
• Auto zero
• Auto off automatically turns off its power if the scale is not used within 3 hours
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