Maretron TMP100 Temperature Module – TMP100-01

Enhance your vessel’s environmental monitoring with the Maretron TMP100 Temperature Module (TMP100-01) — a precise, NMEA 2000-compatible temperature monitoring device that brings accurate temperature data into your boat’s network. Whether you want to track engine room heat, freshwater system temperatures, refrigeration status, or ambient conditions, the TMP100 delivers reliable readings that integrate seamlessly with your vessel’s displays, chartplotters, and monitoring software.

Designed for marine environments, the TMP100 features a rugged, waterproof sensor and sealed NMEA 2000® connectors that ensure long-lasting performance in saltwater, humidity, and vibration. With its compact size and simple plug-and-play integration, this module lets you add temperature monitoring wherever it matters most — giving you real-time data to protect equipment, conserve energy, and maintain comfort on board.

Technical Specifications

• Brand: Maretron

• Model: Temperature Module

• Part Number: TMP100-01

• Network Standard: NMEA 2000® (IEC 61162-3)

• Temperature Range: Typical marine range (see manual for specifics)

• Accuracy: Precision grade (± specified in product manual)

• Connectors: Sealed NMEA 2000® male/female

• Power: Powered from the NMEA 2000® network

• Installation: Inline or branch connection on the NMEA 2000® backbone

• Environmental Rating: Waterproof and corrosion-resistant for marine use

Benefits

• Real-time temperature monitoring across systems

• Helps prevent overheating of sensitive equipment

• Enhances safety and comfort (engine rooms, cabins, refrigeration)

• Centralizes temperature data alongside other vessel metrics

• Supports remote monitoring and alarm integration

• Works seamlessly with Maretron DSM, N2KView®, and other displays

Applications

• Engine room temperature tracking

• Freshwater or raw water system monitoring

• Refrigerator/freezer compartment monitoring

• Cabin or living area comfort tracking

• Refrigeration and livewell environment control

• HVAC system temperature feedback

Summary for the User

The TMP100 is an essential "peace of mind" tool for cruisers. It effectively turns your NMEA 2000 network into a comprehensive fire and equipment monitor. By watching trends in engine room or battery temperature, you can often catch mechanical issues before they become emergencies.

Installation Tip: When monitoring engines, use a bolt-on probe attached directly to the engine block or exhaust manifold for the most accurate and fastest thermal response.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Manufacturer : Maretron
Manufacturer Part No : TMP100-01
UPC : 873804000220