NFD-68-P is a ceiling-mounted UV flame detector manufactured by NITTAN Japan. It adopts ultraviolet sensing technology to detect open flame UV radiation from fuel oil and gas combustion. With wide operating voltage range of 10~30V DC, it can detect flame up to 25 meters with a 100° viewing angle. Equipped with a red status indicator LED, the flame sensor is widely installed in marine engine rooms, auxiliary boilers and waste incinerators for early flame loss and fire alarm, complying with international marine fire safety standards.