OMD-21 Bilge water alarm
OMD- 21 15 ppm Bilge Alarm according to IMO Resolution MEPC.60 (33)

Compact 15ppm Bilge Alarm, with superior solids suppression capabilities According to the regulations of IMO Resolution MEPC. 60 (33) U.S. Coast Guard CFR 162.050-35 and Canadian Standard for 5ppm Bilge Alarm
The OMD-21, 15ppm Bilge Alarm exceeds the requirements of IMO Resolution MEPC. 60 (33). With the OMD-21 Separ offer the most advanced oil content measuring device, to prevent reliably pollution from oil. The OMD-21 measures the oil content in the sample through our advanced light scattering principle. Infrared light is passed through the sample and captured by an array of solid state sensors. The signals are then processed and through the application of advanced algorithms the displayed oil content disregards virtually all influence of solids present in the sample. Thus oil content is displayed and turbidity from other sources is disregarded.
The OMD-21 provides two independent alarm contacts, for the operation of an audible alarm and/or operation of an automatic overboard discharge shutdown device.
Special versions such as shock-proof, antimagnetic for Navy application or options like auto-clean system, higher sample through puts are available on request.
Specification
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Range (measurement & indication)
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0 - 50 ppm
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Range (IMO specification)
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0 - 15 ppm (according IMO regulations)
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Accuracy
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better than IMO MEPC. 60 (33)
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Electrical power supply
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24V - 240V, AC or DC, automatic voltage adjustment
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Electrical power consumption
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less than 6W / 6VA
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Sample
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Oily water from separator outlet, 0,1 - 4 l/min
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Sample temperature range
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+1°C to +65°C
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Sample connections
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R 1/4" ISO female
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Alarm 1 & 2 Set Points
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1 - 15ppm (independently adjustable)
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Alarm 1 operating delay for annunciation
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1 - 540 sec
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Alarm 2 operating delay for control
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1 - 20 sec
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Alarm contacts
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2 independently adjustable switchover contacts
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Alarm contact operation mode
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De-energized in Alarm State
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Alarm contact ratings
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3A, 240V each
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Alarm output
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0 - 20 mA or 4 - 20 mA Current Loop, selectable
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Display
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Numeric 2-Digit LED Display
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Ambient temperature
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+1°C to +55°C
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Class of protection
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IP 65
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Dimensions
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152 x 155 x 91 mm (WxHxD)
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Weight
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2,55 kgs
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(Note: The manufacturer reserves the right to change or amend specifications without notice.)
