Home » Repair and Calibration OWS Oily Water Separator PT Karimun Marine Shipyard

Repair and Calibration OWS Oily Water Separator PT Karimun Marine Shipyard

IDENTIFICATION RESULT

Specification

Name Device

WKODM-2 15PPM Oily Water Bilge Alarm

Measurement range

0 ~ 30ppm (50ppm);

Accuracy

+ 5ppm, meets IMO MEPC.107 (49) requirements

Alarm points can be adjusted between 1 and 2

0 to 15ppm (the factory is set to 15ppm).

Alarm point 1 (prompt alarm):

Action lag time between 0 to 30 seconds adjustable (factory set to 5 seconds), red LED indication

Alarm point 2 (control function)

Action lag time between 0-255 seconds adjustable (factory set to 15 seconds), red LED indication

Form of alarm output

Passive relay contact output, load capacity 3A/250VAC or 3A/30VDC

Inlet pressure

0.01 ~ 1MPa

Power supply

100V-240V AC50-60Hz

Ambient temperature and humidity

Temperature 0 C ~ 55 C

Relative humidity

No condensation on the surface of <95%

Enclosure protection level

IP65

Problems Found

– Characters on the screen are not clean
– Dirty PPM Cell Glass
– Need to do parameter settings
– Need to do a calibration

SOLUTION AND ACTION TAKEN

No.

Problem Found

Solution and Action Taken

1

Characters on the screen are not clear

LCD replacement

2

Dirty PPM Cell Glass

Cleaning the glass PPM sensor cell

3

Need to do parameter settings

Perform parameter settings: alarm points and 4-20mA signals

4

Need to do a calibration

Perform calibration to ensure PPM readings are in accordance with applicable standard

CONCLUSION

– Calibration records are in a separate appendix

– The display on the LCD is clear, the cell sensor glass is clean, the parameters of the alarm points are appropriate, namely the alarm turns on at 15 PPM.

DOCUMENTATION

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