ACTISENSE 9 to 35 VDC Panel Mount Engine Monitoring Unit|EMU-1

ACTISENSE EMU-1, Engine Monitoring Unit, Analog to NMEA2000 Converter

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The Actisense EMU-1 is a specialized analogue to NMEA 2000 Gateway which converts data from analogue engine gauges/senders into NMEA 2000 data. The EMU-1 enables the sharing of engine data throughout the NMEA 2000 bus. It digitizes analogue engine sensors, enabling NMEA 2000 display devices to monitor the connected engine(s) on a vessel. The EMU-1 can monitor vital engine parameters such as temperature, pressure RPM and fluid levels from up to two engines. The EMU-1 has a PC based configuration tool that allows the settings inside the EMU-1 to be changed to best suit the engine it is working with, making it a flexible solution for many engine makes and models. An Actisense PC to NMEA 2000 Gateway (NGT-1) is required to configure the EMU-1. It is recommended that an NGT-1 is available for every EMU-1 installation. The NGT-1 can be used to update the firmware, connect the Toolkit and display data on a PC for diagnostic and information purposes, using NMEA Reader.

Additional information

Weight 2 lbs
Item Name

Engine Monitoring Unit





127 mm L x 112 mm W x 48 mm H

Voltage Rating

0 to 35 VDC Gauge Input, 0 to 37 VDC Alarm Input, +/-3 to +/-60 V Tacho Input

Mount Type


Amperage Rating

<25 mA at 12 VDC

Temperature Rating

-20 to 55 deg C Operating, -30 to 70 deg C Storage


<=2% Gauge Input, <=2% Alarm Input, <=1% Tacho Input

Humidity Range

0 to 93% Relative

Input Impedance

>50 kOhm Gauge Input, >50 kOhm Alarm Input, >100 kOhm Ground Tacho Input

Input Pulse Range

4 to 50000 Hz Tacho


Polycarbonate Housing

Sender Feed

0, 4 or 18 mA Gauge Inputs


250 g