Alcohol O2 Dual Channel Lab Grade O2 Conditioner - High speed, precision O2 sensor conditioner exclusively for NTK O2 sensors (free air calibration is required by the NTK sensor). Delivers extremely rich air/fuel ratio readings from 0.28 Lambda (1.80 AFR Alcohol). When used with a FuelTech PowerFT ECU (FT450, FT550, FT550LITE, or FT600) the Alcohol O2 Dual Channel Conditioner transmits data to the ECU via CAN bus communication. To connect to data acquisition outside of the FuelTech line of ECU’s, the Alcohol O2 Dual Channel Conditioner features 0-5v analog output. Mounting Kit and Promotional Kit included. Wiring harness sold separately.