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Shielded Air/Fuel Control EH12

Shielded Air/Fuel Control EH12

Product catalog summary
EH12 Shielded Ignition System Overview
The EH12 ignition system by Gill Instruments provides a robust and precise inductive ignition solution for engines using natural gas, biogas, LPG, and CNG. It supports both lean burn and stoichiometric air/fuel ratios and is compatible with GS6, GS8, and GS12 igniters.

Key Features
  • Shielded enclosure for enhanced protection.
  • Programmable for 1-12 cylinders.
  • Inputs include TPS or MAP sensors and thermistor for temperature mapping.
  • Fully programmable ignition points based on engine speed, load, temperature, and fuel type.
  • On-board status indicators and optional outputs for fuel valve drive and speed signals.
  • RS232 communication for programming via Windows® GUI.
  • Power supply options of 12V or 24VDC.
  • Environmental resilience from -40°C to +90°C, sealed to IP67 standards.
  • Advanced spark diagnostics available.

Specifications
  • Ignition and fuel rev limits programmable up to 4,000 RPM.
  • Spark energy and duration controlled via selectable dwell time with automatic voltage compensation.
  • Certification: CSA® Certified Class 1, Div. 2, Groups C and D.
  • Supports up to 24 coils on 12-cylinder engines.
  • Optional remote display and pick-up interface unit for additional monitoring capabilities.

Installation and Compatibility
  • Header-type connectors for quick installation.
  • Compatible with GS6, GS8, and GS12 ignition modules.
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Catalog excerpts

Shielded Air/Fuel Control EH12-1

EH12 SHIELDED IGNITION SYSTEM The EH12 ignition housing offers a shielded enclosure for the GS6, GS8 and GS12 igniters. This ignition system provides highly accurate and extremely powerful inductive ignition, which when tailored with the Gill range of ignition coils, produces spark durations well in excess of any CDI ignition system. This power and accuracy enable the GS6, GS8 and GS12 series to control normally aspirated or turbo-charged engines, running on Class 1, DIV 2 Groups C & D natural gas, biogas, LPG and CNG in either lean burn or Stoichiometric air/fuel ratios. The enclosure provides header type connectors to enable quick and simple installation. Designed to be user-programmable via the Windows® GUI,. CSA® Certified Class 1, DIV 2, Groups C & D Compatible with GS6, GS8 & GS12 Ignition Modules Header-type connectors for quick and simple installation Controls up to 24 coils on up to 12 cylinder engines (two coils per cylinder) Optional remote display Optional pick-up interface unit (PIU) for two crank inductive pick-ups and single cam hall pick-up Optional advanced spark diagnostics to monitor real-time performance of spark plug voltage and spark duration Specification GS12 Number of Cylinders TPS or MAP sensors for load, thermistor for temperature mapping. Ignition inhibit / enable switch Ignition Point Fully programmable for engine speed, load, temperature and fuel type On-board visible status indicators Optional: Fuel valve drive, Tacho / Speed signal Timing Maps RS232 for programming via Windows® based GUI Ignition / Fuel Rev Limits Power Supply Spark Energy / Duration Full user control via selectable dwell time with automatic supply voltage compensation Advanced Spark Diagnostics CSA® Certified Class 1, Div. 2, Groups C and D when installed in the EH12 shielded enclosure Engine Controls Copyright © Gill Instruments 2009 Reg No. 3154453 Registered Office: The George Business Centre, Christchurch Road, New Milton, BH25 6QJ Gill Instruments Ltd Saltmarsh Park, 67 Gosport Street, Lymington, Hampshire, SO41 9EG, UK T: +44 (0) 1590 613 500 F: +44 (0) 1590 613 501 E: [email protected] www.gill.co.uk

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