Deckma OMD-21 Oil Content Meter (Spares/Service ONLY)


(Oil-in-Water Monitor / Bilge Alarm Monitor)

The OMD-21 Bilge Alarm Monitor was designed by Deckma Hamburg GmbH for use in conjunction with 15 ppm Oily Water Separator Systems.

Although the OMD-21 is no longer in production, it is fully supported.  The performance and specifications of the OMD-21 meet the requirements of IMO Resolution MEPC.60 (33).

Please contact Jennifer Ory regarding repairs or price & availability of spare parts:
+1 (504) 733-5824, or

NOTE: For IMO-Required Calibration Service, contact Mackay Marine, a Deckma-Certified Calibration Provider.

OMD-21 Calibrations can be performed on-site or sent to Mackay Marine’s Harahan, LA office.

See pdf below:  NEW Lump Sum Pricing Options for OMD-21 Calibration Services

For Calibration details, phone Jennifer Ory (above) or

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COVID-19 NOTICE - March 18, 2020: ALL 40 Mackay Marine’s global locations are fully operational. Mackay anticipates remaining open throughout the COVID-19 epidemic.