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  1. I see an option for FFM100 configuration called K-factor; what does this mean? The FFM100 has an option to set a K-factor for each sensor channel. For the FFM100, the K-factor represents the number of electrical pulses generated by the sensor per liter of fluid passing through it. In order for the FFM100 to be able to calculate... Read More
  2. Can the FFM100 monitor water flow? Yes, The FFM100 can be used to monitor waterflow, however the FFM100 M-series sensors are not intended to be used for water flow applications. The  M-Series fuel flow sensors are compatible with fuel, lubricating oil, hydraulic fluid, or other clean ... Read More
  3. I see that the FFM100 has a configuration called "Sensor:1-Phase"; what is this option used for? The FFM100 is compatible with single phase, single pulse sensors for flow measurements such as water and other non-lubricated fluids.This function allows the user to select specific fluid sensors that may provide a higher accuracy for a desired flow ... Read More
  4. Does Maretron offer quick setup instructions for the FFM100 in a single diesel engine application? The prerequisite for using this guide requires the use of a Windows PC and Maretron's N2KAnalyzer program installed. The hardware required for Maretron device configuration is the USB100 or IPG100 Gateway connected to a powered N2K network with ... Read More
  5. What firmware changes have taken place on the Maretron FFM100 Fluid Flow Monitor? You can update your device using the N2KAnalyzer software tool. a problem where the device needed to be reset after having its configuration changed from 3-phase sensor to 1-phase sensor (4224)Added support for differe... Read More
  6. What are the latest changes that have been made to N2KView?   Maretron announces the release of version 5.1.6 of the N2KView® NMEA 2000® Network Display Software.  The program is available from (, under the “Software Updates” category. The full build number of the version is ... Read More
  7. What software changes have taken place with N2KAnalyzer? What changes have taken place with the N2KAnalyzer?Current Version Available:  N2KAnalyzer 2.4.16 Updates for FFM100, DSM150, DSM250, features for N2K diagnostics, and much more.   **USERS RUNNING N2KANALYZER VERSION 2.1.14, YOU WILL NEED TO MANUALLY... Read More
  8. Using N2KAnalyzer, how do I recover a Maretron device? Occasionally, a device can be in "boot mode" (represented in N2KAnalyzer by an orange highlight of the device's entry in the device list). This can happen due to a software update which fails due to network problems.A Maretron device that is not... Read More
  9. What firmware changes have taken place on the Maretron DSM250? DSM250 firmware versions: support for differential mode with single-phase fuel flow sensors (e.g., Coriolis sensors) (4214)Added support for the NMEA 2000 Heartbeat Message (PGN 126993) (4216)Added support for variable PGN tr... Read More
  10. What are the latest changes that have been made to N2KBuilder?  What are the latest changes that have been made to N2KBuilder?The program is also available from (, under the “Software Tools” category.  The full build number of the version is                   ... Read More
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