CM-500 Automatic Charging Module


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 seperately.

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 Ports¼” MFL fittings
MaterialsValve Body Brass
Seal Neoprene-W
Max. Valve
Operating Pressure
Batteries4 x 1.5V 'AA'
Alkaline Batteries (6 VDC)
Battery Life200 Hours Continuous
Operating Temperature32°F – 122°F (0°C –50°C)
Weight0.55 kg (1.2 Lbs.)
with Batteries
Dimensions21.6 x 10.2 x 4.8 cm.
(8.5 x 4.9 x 1.9 in)

Owner's Manual