CM-500 Automatic Charging Module

SKU A10180 Category


The AccuTools® CM-500 Automatic Charging Module, used in conjunction with the DS-220 or DS-220R, automates the dispensing of fluids and gasses. Battery operated, it seamlessly attaches to the scale control module using an optical interface becoming an integral part of the scale.Ideal for HVAC/R automatic charge/recover of refrigerants, the CM-500 can also be used for automatic dispensing of other fluids or gases compatible with the Neoprene-W valve seal.

Note: DS-220/220R sold separately.

What’s Included

  • CM-500 Charging Module
  • Batteries (4 ‘AA’ Alkaline)
  • Instruction Manual


  • “All-In-One” design allows the DS-220/DS-220R control box, CM-500 module and fittings to fit in one simple hand held unit
  • Quick attach loading dock with spring latch to allow quick and easy attachment of the DS-220/DS-220R control box.
  • Seamlessly integrates with the DS-220/DS-220R creating a compact automatic charge/recovery system.
  • Optical Interface eliminates additional wires between charging module and weigh scale.
  • Rugged and sleek hand-held design for easy handling and storage.
  • 500 PSI valve compatible with all refrigerants.


Charging Ports ¼” MFL fittings
Materials Valve Body Brass
Seal Neoprene-W
Max. Valve
Operating Pressure
Batteries 4 x 1.5V ‘AA’
Alkaline Batteries (6 VDC)
Battery Life 200 Hours Continuous
Operating Temperature 32°F – 122°F (0°C –50°C)
Weight 0.55 kg (1.2 Lbs.)
with Batteries
Dimensions 21.6 x 10.2 x 4.8 cm.
(8.5 x 4.9 x 1.9 in)

Owner’s Manual


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