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Quark-elec Manual
Mini Engine Data Monitor & NMEA 2000 Converter
Features
Engine data monitoring and tank level observation
RPM tracking for accurate engine speed measurement
Tilt/trim and rudder position monitoring
Pressure and temperature sensor compatibility
Wireless configuration via Bluetooth (Android app) and web interface
Integrated status LED for clear operational feedback
Pre-installed NMEA 2000 drop cable for quick and hassle-free installation
Adjustable instance number for multi-engine vessel support
Fully compatible with NMEA 2000 multifunction displays (MFDs)
https://www.quark-elec.com
V1.00
1 of 21
A037M Manual
A037M
2025
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Summary of Contents for Quark-Elec A037M
- Page 1 Quark-elec Manual A037M Manual A037M Mini Engine Data Monitor & NMEA 2000 Converter Features Engine data monitoring and tank level observation RPM tracking for accurate engine speed measurement Tilt/trim and rudder position monitoring Pressure and temperature sensor compatibility ...
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Page 2: Table Of Contents
Quark-elec Manual Contents Introduction ..........................3 Mounting/ Installation ......................3 Mounting Location ........................4 2.1.1 For Use Without Analogue Gauges ..................4 2.1.2 For Parallel Use with Existing Gauges .................. 4 Case Dimensions ........................4 3. Connections ............................5 Sensor Inputs ..........................5 NMEA 2000 Port ........................ -
Page 3: Introduction
As a streamlined version of our popular A037 device, the A037M focuses on the most commonly used functions—making it more accessible and cost-effective for a wider range of vessels. -
Page 4: Mounting Location
Mounting Location Select a flat location to mount the A037M. Avoid mounting on uneven or contoured surfaces, as this could potentially fatigue the device casing. Ensure that the A037M is mounted in a suitable location appropriately between the NMEA 2000 bus and the senders or gauges. -
Page 5: Connections
Figure 1 - A037M Dimensions in mm 3. Connections The following is an example of an A037M set up. This gives an idea of the connections that need to be made to install A037M. All these connections must be taken into consideration when locating a suitable mounting location for the A037M. -
Page 6: Nmea 2000 Port
NMEA 2000 network directly. Power & Status LED The A037M operates on 12V power source from the NMEA 2000 network. It features a single LED that remains solid green when the device is powered and flashes to indicate data transmission to the NMEA 2000 bus. -
Page 7: Setup
4 Setup To ensure proper operation, the A037M must be correctly set up and, in some cases, calibrated. Start by connecting the A037M to the NMEA 2000 network. Once powered, the green LED will remain steadily lit, indicating that the device is ready for use or configuration. -
Page 8: Configuration
If the sensor does not exhibit a linear trend, you will need more than two markers to achieve more accurate measurements. The A037M supports up to eight markers for a single input. Further details on calibration for each input type can be found in the Calibration section. - Page 9 The Angle order corresponds to the wire to which the rudder is physically connected. This must be selected, along with enabling the ‘Enable PGN’ option. With these settings complete, the rudder data, including the angle values, will be transmitted to the NMEA 2000 network after re-power the A037M. Figure 8 - Output Configuration https://www.quark-elec.com...
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Page 10: Calibration
The calibration process involves creating a reference table that maps input values (referred to as Markers, such as resistance, voltage level, or pulse frequency) to their corresponding calibrated output values (Values). This allows the A037M to accurately interpret and convert sensor data, ensuring precise and reliable output during operation. -
Page 11: Resistive Sensor Calibration
Quark-elec Manual Resistive Sensor Calibration The Calibration tool allows you to read and view live sensor data from connected resistive sensors, such as tank level sensors, rudder sensors, or tilt/trim sensors. This process is essential for configuring the Data Output Set table, which maps raw sensor readings to corresponding output values (e.g., fluid level percentages). -
Page 12: N2K Output Settings
7. Tick the Enable PGN checkbox to activate the data output. Finally, click Save to store the settings to the device, and power cycle the A037M for the changes to take effect. The N2K output settings procedure for rudder sensors and tilt/trim sensors is similar to that of the tank level sensor. -
Page 13: N2K Output Settings
Use the ‘+’ and ‘–’ buttons to add or remove rows in the Data Output Set table as needed. 10. After entering all necessary calibration points, click Save to store the configuration. 11. Repower the A037M device if prompted, to apply the new settings. 5.2.1 N2K Output Settings Once the Data Output Set table has been completed with the calibrated data, follow the steps https://www.quark-elec.com... -
Page 14: Tacho Input (Rpm)
6. Click Save to apply the new configuration settings to the device. 7. Repower the A037M to ensure the updated settings take effect. Finally, click ‘Save’ to store the new settings to your device and repower the A037M. Now, the pressure sensor is ready for use. -
Page 15: Ignition Coil
The following diagram shows how to connect the A037M to an ignition coil or alternator output signal or a single wire flowmeter. Connect the negative connection of the ignition coil to the RPM. And connect GND to GND of A037M. If there is only one wire from ignition coil or alternator, then just don’t connect this. -
Page 16: Tacho Input Calibration
Boost Pressure and/or Tilt/Trim information, you can include these in the PGN by selecting the relevant pinouts where these sensors are connected. 5. Tick the checkbox next to ‘Enable PGN’ and click Save to store the settings to the A037M. 6. Restart the A037M to activate the new configuration. -
Page 17: App Installation
Quark-elec Manual App Installation The Android based app (.apk format) can be downloaded from Quark-elec website: https://www.quark-elec.com/downloads/apps/ • You will be prompted to confirm installation before begins installing. Please ensure your device is configured to allow installation from third- party (unknown) sources. - Page 18 (unknown) sources once the app has been successfully installed. • After installation, launch the app. You will be prompted to scan for the A037M device. Ensure your A037M is powered by connecting it to an NMEA 2000 backbone. A steady LED light will indicate that the device is powered and operating correctly.
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Page 19: Web Interface Configuration
Linux, and macOS platforms. However, it is not compatible with iPhones or iPads currently. Please note that your device must have Bluetooth connectivity in order to connect to the A037M. The configuration process is very similar to that provided by the app. You can access the web interface at: https://www.quark-elec.com/doc/tool/A037Mini/... -
Page 20: Specification
Quark-elec Manual To upgrade the firmware, download the appropriate .bin file for your device and select 'Start Upgrade.' After the update is complete, power cycle the A037M to ensure it is running the latest firmware. Specification Item Specification DC supply... -
Page 21: Document History
Quark-elec Manual Document history Issue Date Changes / Comments 14-05-2025 Initial release Quark-Elec (UK) Unit 3, Clare Hall St. Ives Business Park St Ives, Cambridgeshire PE27 4WY https://www.quark-elec.com 21 of 21 2025 V1.00...
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