![Actisense NMEA 2000 Engine Monitoring Unit - Analog to NMEA2000 Engine Gateway [EMU-1-BAS]](https://cdn.shopify.com/s/files/1/2785/3654/products/51787XL.jpg?v=1677942021)
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Description
Actisense NMEA 2000 Engine Monitoring Unit - Analog to NMEA2000 Engine Gateway [EMU-1-BAS]NMEA 2000 Engine Monitoring Unit Analog to NMEA2000 Engine Gateway Share engine information on the NMEA 2000 bus. 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.
NMEA 2000 Engine Monitoring Unit - Analog to NMEA2000 Engine Gateway
Share engine information on the NMEA 2000 bus.
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 (NGX-1/NGT-1) is required to configure the EMU-1.
The NGX-1 or NGT-1 must be used to update the firmware, connect the Toolkit and display data on a PC for diagnostic and information purposes, using NMEA Reader. Please visit the NGX-1 page and/or NGT-1 page for product details.
Features:
- Enables analogue signals to be converted to NMEA 2000 messages
- Convert signals from up to two engines (that share a common ground) with a single EMU-1
- 6 gauge / parameter inputs
- 4 alarm inputs
- 2 additional auxiliary inputs
- 2 Tacho inputs
- Customized IP65 case
- Diagnostic LED’s
- Wide power compatibility of 9 to 35VDC
- No need to change an existing engine
- Easy installation
- Easy to configure to suit the connected engine
- Connect signals from fluid level gauges (that share a common ground with the engine) to NMEA 2000®
- Optional DIN rail mounting kit available
- Total engine hours are logged by the monitoring of engine Tach (RPM) input
Technical Specifications:
Power Supply
- Supply Voltage - 9 to 35VDC
- Supply Current - Typically < 25mA @ 12VDC
- Supply Protection - Continuous reverse polarity protection and load dump protection (meets SAE J1113)
- Supply Connector - Pluggable 2-way screw terminal, 3.5mm pitch
- Supply Voltage (NMEA 2000 Port) - 9 to 29VDC
- Supply Current (NMEA 2000 Port) - < 20mA @ 12VDC from NMEA 2000 bus
- Load Equivalent Number (LEN) - 1
- Supply Protection (NMEA 2000 Port) - Continuous reverse polarity protection and overvoltage protection to 40V
NMEA 2000 Port – In/Out
- Compatibility - Fully NMEA 2000 certified
- Galvanic Isolation - 2500V input to ground, 1500V output to ground using ISO-Drive
- Speed / Baud Rate - 250kbps
- NMEA 2000 Connector - M12 male (A coded) connector
Gauge Inputs
- Voltage Range - 0 to 35VDC
- Input Impedance - > 50kΩ
- Sender Feed - 0, 4 or 18mA
- Accuracy - <= 2%
- Input Connector - Pluggable 6-way screw terminal, 3.5mm pitch
- Input Protection - Overvoltage protection to ±40V
Alarm Inputs
- Voltage Range - 0 to 37VDC
- Input Impedance - > 50kΩ
- Threshold Voltage - Configurable, default is 5V
- Alarm Polarity - Configurable, default is alarm on low input
- Accuracy - <= 2%
- Input Connector - Pluggable 4-way screw terminal, 3.5mm pitch
- Input Protection - Overvoltage protection to ±40V
Tacho Inputs
- Voltage Range - ±3 to ±60V
- Input Impedance - > 100kΩ to ground
- Input Pulse Range - 4 to 50,000Hz
- Accuracy - <= 1%
- Sender Compatibility - Ignition coil, alternator (“W”, “R” or “AC”) terminal, hall effect, VR or inductive sender
- Threshold - Automatically adjusts to signal level
- Input Connector - Pluggable 4-way screw terminal, 3.5mm pitch
- Input Protection - Can withstand an ignition pulse to ±500V
Engine Log
- Engine Hours - 2 separate engine hour logs internally connected to the tacho Inputs. Hours are logged when RPM is present, stored in non-volatile memory
Mechanical
- Housing Material - Polycarbonate
- Protective Lid Material - Polycarbonate
- Sealing Materials - Expanded silicone foam gasket, closed cell polyurethane splash guard and ePTFE waterproof vent
- Dimensions - 127mm (L) x 112mm (W) x 48mm (H)
- Weight - 250g
- Mounting - 4 x 3.5mm lugs to allow panel mount with self tapping s/s screws (included), optional DIN Rail mount available on request
Approvals and Certifications
- EMC - EN 60945 (sections 9 & 10)
- Environmental Protection - IP66 (PCB housing)
- Operating Temperature - -20°C to +55°C
- Storage Temperature - -30°C to +70°C
- Recommended Humidity - 0 – 93% RH
- Guarantee - 3 years
Specifications:
- Data Interface: NMEA 2000
- Box Dimensions: 3"H x 6"W x 9"L WT: 1 lbs
- UPC: 5060998710331
Owner's Manual (pdf)
Brochure (pdf)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Water Shoes for 3-Week Trip to Amazon, Machu Picchu and the Galapagos
Size: 10.5, Color: Blue/Grey
Bought these shoes (along with a pair of Merrell Gore-TEX Moab Speed 2 GTX) for a three-week trip through some pretty eclectic weather and terrain. I selected these over some much more expensive brands and was very happy with my decision. I typically wear a size 11 athletic shoe (I measure a 10.5), but the 11–11.5 Humtto shoes were way too large and good not get a good fit. I returned that pair, and downsized to the 10.5. They fit me perfectly. Before leaving on the trip I used them to work out at the gym and do some light hiking. They were first seriously tested in the Amazon. The soles provide pretty darn good traction, and they can be worn with or without socks. Because of their hiking and quick drying capabilities, I ended up using these shoes about 50% of the trip. They look great, are comfortable, can be adjusted for fit, and have a decent (medium) arch and heel padding. They are not zero drop from heel to toe, but pretty close. The EVA midsole and memory foam insole for cushioning is great, but do not make the mistake I made by heating it on a heater to accelerate drying. It warped the insole a bit (they are still usable). These are great and survived some pretty extensive testing throughout Peru and Ecuador. If you are stepping into some pretty questionable conditions, these sure are a great back up to your hiking shoes when it may get sloshy and dry shoes are required for the next day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
★★★★★ 5
Excellent shoes for what you’re buying them.
Size: 12, Color: Black
My 2nd pair of this brand. These are awesome. Easy to come off and get on. They stay cool in the summer, they are comfortable with or without socks. I use them in lake and pool, and they still look new. Very inexpensive, and for a change they look actually nicer in person than in the photos. I dont know how they would be doing any athletics but for everything else, including walking a lot and standing for hours, they worked great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
★★★★★ 5
Surprisingly awesome!
Size: 10.5, Color: Dark Gray/Beige
I have only been wearing these for a few days so I may have to revise the review over time, but so far these shoes are absolutely outstanding. If you owned and enjoyed the original Salomon TechAmphibians, later ruined with new designs by the maker, these are their natural heirs. I took a chance on these shoes since the design is very similar. They are lightweight and comfortable and they provide great footbed support whether loose or tightly laced. Like the early TechAmphibians, they also have the cool feature of a collapsing heel upper, allowing their use as slides. They are also half the price that the Salomons sold even 10 or more years ago. The sole has an aggressive tread pattern and is quite grippy wet or dry.
I measure as 10.5 D on the shoe size device but almost no shoes in that size fit me in the last few years. I got the 11-11.5 size first but it was swimming on me. 10.5 fits well with a bit of extra room so I can wear them with or without socks.
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Reviewed in the United States on May 12, 2026
★★★★★ 4
Great shoes
Size: 10, Color: Grey, Size: 10, Color: Grey
I got 2 pairs of these specifically for a water rafting trip. The first pair was a little large, so I went down a half size ( and gave the larger pair to my son). They are comfortable, even for wide feet - although after a long day of use in the water, there was some chaffing on the outsides of my feet. It loosened up a bit across my wide foot, after getting wet.
These worked great! They have adjustable strap across the back, that pulls tight on the outside.
the laces are elastic and tighten by pulling and then pushing the stopper down onto the laces. They didn't slip (loosen) but, to get them tight, I had excessive amount of laces hanging out (had to tuck them into the tongue.
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Reviewed in the United States on September 2, 2024
★★★★★ 5
Exactly what I was looking for
Size: 9-9.5, Color: Black Denim Blue
Perfect for what I wanted in an active casual shoe. Love the tread, it's both grippy and durable but flexible, the fit, adjustability, easy to take on and off, perfect amount of cushion and stability. Can wear with or without socks comfortably.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
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