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Description
Actisense NMEA 2000 Engine Monitoring Unit - Analog to NMEA2000 Engine GatewayNMEA 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
4.5 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 1
Chewed up easily
Size: Extra Large, Color: Matisse green, Size: Extra Large, Color: Matisse green
Not durable for a heavy chewer, would not recommend. Didn't even have 24hrs. Our pup figured out how to get the food but couldn't figure out how to spin it. And had the flaps chewed apart in a short amount of time
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Reviewed in the United States on May 23, 2026
★★★★★ 3
Well-Made Toy, but Too Stiff and Large for Small Dogs
I purchased this product for my dog Woody to use as a treat-dispensing toy. While the toy is well-made and feels durable, it wasn’t the best fit for my small Maltipoo. The central roller mechanism is quite stiff and heavy, making it difficult for a small dog to rotate or engage with it effectively.
In terms of installation and setup, it was easy and straightforward. The adjustable settings are a nice touch and allow for some control over treat release, which is great. However, due to the size and resistance of the roller, the toy seems more suited for medium to large dogs rather than small breeds.
It offers good value for money considering the build quality, but I would recommend it only for dogs with enough strength to interact with the roller comfortably.
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Reviewed in the United States on August 6, 2025
★★★★★ 5
Worth it
Size: Large, Color: Blue
Seems to be good quality and keeps the pups entertained!
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Entertainment for You --- Fun for your Dog
Size: 4 INCH, Pattern Name: IQ TREAT BALL 4"
I had seen a friend with this toy for her dog. I asked if I could try it for my two dogs (mini schnauzer & chihuahua/pug mix). My dogs loved it! The only way they'll stop playing with it is if you pick it up or when they finally realize there aren't anymore treats available. I now own two of the 5" (which is really 4" in diameter) and one 3". If I know I'll be gone for a while, I'll load up all 3 and they'll have more than enough food/stimulation while I'm out.
I am so satisfied with these toys, I looked up the manufacturer and purchased the Large Buster Food Cube. Why? -Simply for variety. The Buster doesn't get quite as good of a following from my dogs as the ball, but it has its own advantages.
The chips seen in another reviewers photo(s)..., this happened to me as well. When inspecting the three IQ Balls I have for my dogs, no chipping of the small fins as shown in the photo(s) changed the integrity of the ball. The chips will most likely happen to everyone if your dog is even somewhat of a chewer. I'm not putting these on display for family/friends to come see. They're dog toys. If your dog is a fierce chewer, only use the ball as an entertaining feeding option. The Buster Food Cube could be used permanently with the most determined chewers. Please don't be swayed by those photos. I was a little concerned when I had seen them prior to ordering. Now, I know how inconsequential those chips are and how much those photos make it appear like a potential deal-breaker. Tennis balls and the Kong toy used to be my favorites for my dogs. Now the Treat Ball and Buster Food Cube are the favorites.
Treat Ball - Pros
-----------------
-More fun for my dogs than the Buster Food Cube
-Adjustable food dispensing - you can set it to be depleted quickly, the cube will take a lot longer, relatively
Buster Food Cube - Pros
------------------------
-Holds more food
-A bit more challenging than the ball
-Very quiet compared to the ball (you'll experience a constant rolling until the ball crashes into your wall, furniture, etc. - nothing harmful to either)
-Rarely, if ever does it get stuck (with the ball - even the larger size - you may find times when your dog has given up because it has been lost under an accommodating piece of furniture; the cube is truly too large to get trapped)
-More durable than the ball - the most determined chewers will not have success destroying this toy
*** If OurPets would ever make a larger sized ball (Buster Food Cube diameter), I would buy that in a second. This would keep it from being stuck as often and I would like the increased food capacity, as the cube has.
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Reviewed in the United States on March 7, 2013
★★★★★ 5
great
Size: 4 INCH, Pattern Name: IQ TREAT BALL 4"
This ball is great for my two and a half year old border collie mix. I give his breakfast through this ball, and it keeps him occupied for 20 minutes total. The ball won't fill up a whole cup of kibble, so I have to fill it up two times. This ball takes him longer and tires him more than the Tug a Jug, which only takes him about five minutes to empty. As he empties the ball twice, he will pant and go lap on some water. It's good to see he's getting some kind of work for his food as opposed to just chomping it down from the bowl with no effort.
The only downside is that a lot of times the lid gets loose even if you close it pretty secure. One time the lid came off completly as my dog was playing with it, exposing all the kibble. To prevent this I used some strength to close the lid very tight, but later I could not open it back up! It took a grown male to open it back.
My dog does not chew on this ball due to the awkward shape and material(hard plastic). I and my dog have dropped this a couple of times on both laminate and wood floor, but I see no crack on the ball so far. It seems durable.
Good ball to make your dog work for his breakfast or dinner.
UPDATE: My dog still loves this toy. With the difficulty setting set to max, it is the slowest treat dispensing toy in my collection(buster cube, tug a jug, kong wobbler). That's good, it lets him burn off more energy.
Also since the ball doesn't hold a full cup of kibble, I would pour half and the rest on his regular food bowl. I place the ball next the the bowl and give a release "OK!". Guess where my dog goes? He runs off with the ball! Even after realizing that there is food in the bowl (He puts his nose inside the bowl for a second and then goes to the ball) where he could just eat it, he perfers to get his food from the ball.
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Reviewed in the United States on November 26, 2010