Daihatsu Marine Diesel Engine Manual

Oil Mist Detector MD-SX

Responding to the requirements of engine builders, Daihatsu has developed the sensor type MD-SX oil mist detector, which consists of multiple sensor units that are directly inserted through a side wall of the crank case and fitted to each cylinder of the diesel engine; and a controller for integrated control of these units via communication cable.

The detector has already gone through type approval certificate tests by major classification societies NK, LR, DNV, BV, ABS, GL, KR, CR and CCS, and CE marking.

Features
Compact size, reliable and easy maintenance
This detector uses a natural diffusion system based on technology for detection of oil mist concentrations that Daihatsu has built up over the years, augmented with new techniques and ideas. The system requires no sucking mechanism or drive air/piping for mist detection by the sensor units. The further use of an optical dispersion system makes possible detection of mist concentrations by a compact arrangement, which contributes to greater reliability and ease of maintenance.
Flexible system constitution
The maximum number of detection points is 16, which means detection at eight points in twin engines. The system configuration is made flexible, including the location for fitting of the controller.
Early detection of serious engine damage
The controller has been improved in terms of operating ease by the use of key switches and liquid crystal display (LCD); it can also monitor the overall state of the device, including the sensor units, with its self-diagnosing function.
The detector constantly monitors the oil mist concentration in the crank case, indicates the mist level and, if the concentration is raised beyond a set point by the overheating of the bearings or any other cause, issues an alarm. Accordingly, the device makes possible early detection or prediction of what might otherwise develop into-serious trouble not only in low-speed marine engines but also medium-speed and high-speed diesels.
Specifications
Sensor unitController
FunctionOil mist concentration
Mist level output
Mist level indication
Alarm monitoring
Detection point/No. of sensor units1Point /1Unit16 Units (max.) /1 Eng
(8 Units×2 Eng.)
Mist detection
Detection time
Natural diffusion system
Continuous
Response time <=1 sec
Detection system
Concentration
Optical dispersion system0~2.0mg/l(Deviation:0~0.5mg/l)
Display
Operation
3 color LEDs:
(Power, Alarm, Failure)
Mist level: 3-color bar-graph indication
4 color LEDs:
(Run, Pre alarm, High alarm, Failure) LCD, Key switch
Contact output5 Points (AC125V-0.4A/DC24V-2A)
Power supplySupply from controllerDC24V (+30%~-25%)
Power consumption60 mA (max.) /1 Unit1.5A (max.) (Internal:0.5A)
Protection classIP55IP55
Weight350g4.6kg
Paint colorMunsell N1.0 (Black)Munsell N1.0 (Black)
Outline dimensions


Maker reserves the right to modify specifications and/or appearance at any time without prior notice.

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Daihatsu Marine Diesel Engine Manual Download

Daihatsu marine diesel engines manual

Daihatsu Marine Diesel Engine Manual

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Daihatsu Marine Diesel Engines Manual

Daihatsu Marine Diesel Engine Manual

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Daihatsu is a engine manufacturer of four stroke main and auxiliary engines in the marine and land based power generating industries. Partnered with Daihatsu Diesel, MSHS is an authorized service center providing after sales service and original spare parts support. Environmentally Friendly Engines Compliant with IMO Secondary Regulations ISO 9001 Accredited Quality Assurance System Standards of the International Organization for Standardization Conforming Sites: Head Office Moriyama Factory Head Office 1-30, Oyodo Naka1-chome, Kita-ku, Osaka, 531-0076 Japan TEL:81-6-6454-2393 FAX:81-6-6454-2686 16-11, Nihonbashi 1-Chome Chuo-ku, Tokyo, 103-0027.