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LM-2 Dual Channel Wideband Air/Fuel Ratio Meter Kit

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Is "Lean-OK-Rich" enough information for your turbocharged application? When the accuracy of your air-fuel ratio is critical, don't rely on an old-fashioned single-wire oxygen sensor. Engine tuners have found that only modern wideband sensors are sensitive enough for fine-tuning fuel injection or forced induction. Our five-wire heated sensor connects to a compact handheld display to show the actual air-fuel ratio from 7.4:1 to 22.4:1 or 0.5 to 1.5 Lambda for precise tuning. Get instant feedback, record to an SD memory card (included), or download the data to a computer for future analysis. The Dual-Channel kit allows you to monitor two cylinder banks at once!


  • Full-Function 32-channel Data Logger
  • Built-in RPM Converter
  • OBD-II Scan Tool Capability
  • Accepts 16 Input Channels from CAN OBD-II
  • 4 Analog Inputs
  • 2 Configurable Analog Outputs
  • Records to SD memory card
  • Compensates for changes in altitude, temperature, and sensor condition

The LM-2 Dual Channel Kit includes:

  • Handheld Digital Display with Graphic LCD Readout
  • (2) Heated 5-Wire Bosch LSU 4.2 Oxygen Sensors
  • (2) 8 Foot Sensor Connector Cables
  • 12 Volt Power Cable with cigarette lighter plug
  • USB Computer Download Cable
  • OBD-II / CAN Interface Cable
  • SD Memory Card
  • LogWorks Software CD
  • (2) Weld Bung and Plug Sets

All you need to add is an exhaust pipe!

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Related Product Groups
Wideband Air/Fuel Ratio Monitors