The Maretron Tank TLM100 is an ultrasonic tank level monitor for liquids in tanks up to 1.02 m (40 in) depth, transmitting level data over NMEA 2000 to compatible displays anywhere aboard.

• Maximum sensing depth: 1.02 m (40 in)
• Ultrasonic, non-contact sensing — no probes to foul or corrode
• Outputs over NMEA 2000 network for vessel-wide monitoring
• Compatible with diesel, fresh water, waste water, black water and oil tanks (not for petrol)
• Calibratable for irregular tank shapes to report true fluid levels
• Mounting: SAE J1810 5-hole pattern
• Optional adapters: 38.1 mm (1.5 in) NPT and 31.75 mm (1.25 in) BSP
• Optional accessories: airlock for black water and focus tube for planing hulls

The TLM100 is NMEA 2000 certified and integrates with Maretron N2KView and DSM150/DSM250 displays. For petrol tanks choose the TLM150 and for deeper tanks the TLM200.