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Zellweger Analytics MDA Scientific CM4 Four Point Gas Monitor No POST - Parts

Current Stock:

Product Description

Manufacturer: MDA Scientific

Model: CM4

Condition: For Parts or Not Working. Comes in non-original packaging. This monitor is in Good cosmetic condition overall with minor scuffs/scratches from prior use. Note the unit you receive may have browning on the top panel as shown. The photos show the exact item(s) the buyer will receive.

Notes: This monitor is in PARTIAL working condition.  At power-on, the fan runs and a blinking spot appears on the display. The power-on self test never begins.  We are not sure what may be wrong with this unit. No other testing was done. No manuals, cords/cables, or additional items are included if not listed or shown.


  • (1) MDA CM4 Gas Monitor


  • Manufacturer: MDA Scientific
  • Model: CM4
  • P/N: 1874-1000
  • 4-point continuous gas monitor
  • Uses reliable, interference-free Chemcassette technology (no cassettes included)
  • 300' sampling distance permits convenient positioning
  • Integral Audio and Visual Alarms
  • Relay Outputs
  • RS232 serial printer output
  • Power: 120V 60Hz 3A


  • No returns - No refunds - No exchanges
  • By purchasing this item, you are agreeing to not seek reimbursement should the item not function to the manufacturer's specifications.
  • Read the notes carefully to ensure you are buying something you can use
  • See complete terms

Other Details

For Parts or Not Working

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