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AFR-1R
Engine/Air-Fuel Ratio Controls ► AFR Products ► Air/Fuel Ratio Control System ► AFR-1R

Rich-Burn Air/Fuel Ratio Control System

AFR-1R, Rich-Burn Air/Fuel Ratio Control System

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The AFR-1R is the simplest to use rich-burn engine, single set point air/fuel ratio control system available. The system is designed to maximize the efficiency of a 3-way catalyst by maintaining the proper air/fuel ratio.

  • Designed for low horsepower gas-fueled, carbureted rich-burn engines
  • Microprocessor-based controller with a single set point
  • Set point and operation done entirely through the full-color graphic display, enclosed
  • Pre and post catalyst thermocouple input for catalyst over temperature protection (ungrounded Type K thermocouples, optional)
  • Pre and post catalyst differential temperature displayed

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Overview

Maintaining the correct air/fuel ratio to enhance the performance of your catalytic converter shouldn’t be that hard, and it’s not if you choose the right equipment.

The FW Murphy AFR-1R features a single pre-catalyst set point target to optimize the catalyst’s performance. And when activating the optional post-catalyst set point target, the AFR-1R monitors the catalyst performance and adjusts the air/fuel ratio to maintain and prolong the catalyst performance.

The system includes the PV450 full-color graphical user interface for control functions, monitoring, programming and diagnostic displays. The eight-button display includes comprehensive built-in help files for added operator convenience.

The AFR-1R air/fuel ratio controller represents cutting-edge technology in many areas: hardware, microprocessor power, control system software, operator interface options, adaptability to variable engine conditions, control requirements and software upgrade capability, in addition to comprehensive onboard diagnostics system (OBD).