15ppm Bilge Water Alarm Ship Oil Discharge Monitoring And Control System Odms And Oil Content Meters From China Suppliers-Lifeboat Davit-Deyuan Marine Equipment
Marine Mechanik - How to test a typical 15ppm OWS alarm ALARM TEST Turn operation switch 22 to “TEST” position and press POWER switch 21. Check lamps 11, 17, 18 turned off