Description
NITTAN LTD
NS-DOS
OPTICAL SMOKE DETECTOR HEAD
SUPPLY RATINGS: 16-30 V D.C., 24μA AT 24 VDC, 65MA (ALARM)
SENSITIVITY: 3% / M NOMINAL
OPERATING TEMP.: -25℃ TO +70℃
MADE IN UK
The Nittan NS-DOS (58032) is an optical smoke detector head for the fire alarm system serving a vessel’s accommodation and working spaces. Seated at a detection point, it uses optical sensing to pick up smoke and alert the fire alarm panel. The head operates on 16-30 V DC, drawing 24 μA at 24 V DC and 65 mA in alarm, with a nominal sensitivity of 3%/m and an operating range of -25 °C to +70 °C. Built in the UK, it is offered in Used condition.
Key Features
✓ Supply 16-30 V DC
✓ 24 μA at 24 V DC, 65 mA in alarm
✓ Sensitivity 3%/m nominal
✓ Operating temperature -25 °C to +70 °C
✓ Optical smoke detector head made in the UK
Marine Applications
✓ Cabin and accommodation corridor smoke detection
✓ Bridge and radio room fire alarm points
✓ Switchboard and electrical room detection
✓ Mess room and control room coverage
Technical Support
Prota Marine provides technical support, repair and onboard installation for the optical smoke detector head and the wider fire alarm system. Our team handles fault diagnosis on smoke detection points and assists with commissioning after installation.



