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TechEdge Wideband Controller 2J9 LSU4.9 + LD02 Display

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TechEdge Wideband Controller 2J9 LSU4.9 + LD02 Display

TechEdge Overview

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  • TechEdge Overview
  • Techedge LD02 Display
  • Techedge LSU4.9 Sensor
  • Techedge Voltage Graph Widband
  • Techedge Voltage Graph Narrowband
  • Techedge Cable
  • Techedge Software

Welcome to 

Bullet Performance Racing



 Techedge DIY Wideband AFR Kit


2J9 Wideband Unit + LSU4.9 Sensor Including LD02 LED Digital Display





Tech Edge 2J2/9 WBo2 Features

  • Reads from λ = 0.61 (AFR = 9.0) to free-air.
  • Within +/- 0.1 from AFR 11 to 17 (unleaded).
  • Differential WBlin wideband 0-5 Volt output.
  • Bosch LSU 4.0*/4.2 (2J2) or LSU 4.9 (2J9) compatible.
  • WBlin configurable (9.5 bit DAC) from AFR=9.0 to free-air.
  • Auto-cal button calibration with sensor in free-air.
  • NBsim narrowband (7.5 bit, re-programmable) output.
  • 2 analogue 0 to 5 Volt inputs sampled at up to 40/sec.
  • RPM input from Tacho or ECU for logging.
  • PULSE input from VSS sensor or cruise control for logging.
  • 10.5 to 19.5 Volt DC operation (up to 3 Amps).
  • Free logging software (optional upgrade available).
  • Fibreglass covered cable - ABS plastic case - repairable!
  • has RS232 output for no loss of wideband accuracy.
  • LD02 - Standard LED

    LD02 is available as both a pre-built ready to use display or as a DIY kit (Do-It-Yourself - see the DIY warning in the 2A0 section above). This is our basic LED display and the display many people choose because it's easy to mount, easy to see, and is relatively cheap.

    The major question we get asked is "can I hook this display up to a wideband sensor". The answer is yes, but ONLY via one of our controllers! This display cannot display anything useful unless it's used with one of out wideband controllers itemised ab

    Connection Overview

    At right is an overview of how the 2J2/9 may be connected.

    Button & Status LED

    Detailed information on these functions can be found below. On the face of the case (with the sticker) can be found :

    • Auto-cal Button - When held down, initiates the Auto-cal sequence which is indicated by a series of flashes on the status LED (more info below). 

    • RED Status LED - Displays information about sensor function, indicates errors and alarm conditions. (more info below).
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