• Complete air/fuel ratio metering system with built-in data logging. Includes:
  - WEGO III Wide-Band Exhaust Gas Oxygen Sensor Interface
  - Bosch LSU4.2 5-wire wide-band oxygen sensor
  - 18x1.5mm weld nut for mounting sensor on exhaust pipe
  - Data Logging software
• Versatile tuning aid for all carbureted and fuel injected engines displays AFR (air/fuel ratio) and logs over 2 hours data including AFR, engine RPM, and a spare 0-5V analog input for sensors such as throttle position or manifold pressure
• Can be used for on-road or dyno testing
• Suitable for automotive, motorcycle, and other small engine applications
• Highly accurate with less than ±0.10 AFR error over 10.3 - 19.5 AFR range
• Easy free-air calibration procedure corrects for sensor aging effects
• 0-5V analog AFR output compatible with Twin Tec TCFI fuel injection system for closed loop AFR control
• Ultra-bright daylight LED display with automatic dimming under low light conditions
• Wide supply voltage range from 11-16V allows operation from battery on small engines and race vehicles without an alternator. Current drain is approx. 1 amp
• Compact size: 4"L x 2"W x 0.5"H
• Built-in USB interface
• Fully encapsulated with water-proof LED display

Looking for dual monitoring capability? Check out the new Wego 3D Dual Air/Fuel Meter and gauge