LM-2 Digital Air/Fuel Ratio Meter User Manual, introduce how to use LM-2 Digital Air/Fuel Ratio Meter
This manual provides instructions for the Innovate Motorsports LM-2 Digital Air/Fuel Ratio Meter, a single or dual channel wideband controller with a built-in OBD II scan tool. It covers essential safety warnings, such as avoiding hot-plugging sensor connections and preventing exposure of the hot sensor to combustible surfaces or flammable liquids.
The guide details the setup process, including optimal sensor placement guidelines to ensure accuracy and longevity, and the procedure for calibrating the sensor using the 'Direct Digital' technology. It also explains how to configure the device for OBD-II diagnostics, manage analog inputs and outputs, and utilize the SD memory card for data logging and playback.
| Channels | Single or dual channel |
|---|---|
| Built-in Tool | OBD II scan tool |
| Analog Inputs | Four |
| Analog Outputs | Two |
| Storage | SD memory card |
| Sensor Types | Bosch LSU 4.2 or LSU 4.9 |
| Power Requirement | 12 volts |
Calibration is required anytime a new oxygen sensor is installed, and then periodically based on usage (e.g., every 3 months for new sensors, annually for daily drivers).
No, it is extremely important to avoid hot-plugging sensor connections to prevent damage.
The maximum temperature should not exceed 500°C or 900°F.
No, it must be powered by the cigarette adapter (12 volts) to properly heat the Oxygen sensor.