Liquid Level Sensor 52mm Air Fuel Ratio Gauge LED Digital Display Narrowband O2 Oxygen Sensor Car Gauge for 12V Car Racing Car Gauge Water Height Detector(2)

Oxygen Sensor Specification:Spiral: M18*1.5Use Wrench: 22mmResponse time: (600mV-300mV) 100ms.Response time: (300mV -600mV) 100ms.Starting time: 10sHeating resistance: 8.5~9.5Internal resistance: 200~300Connection:The white line is at heater abBlack line signal line C, gray line signal ground DThe green wire of the instrument is connected with the black wire of the sensor. The gray line is connected to the negative pole of the battery.white wire connect with the car shell or battery negative pole. Another white wire connect to the ACC line of ignition switchThe white line is the heater and does not distinguish between positive and negative electrodesAbout the air fuel gauge, please see the installation instructions.Attention: If you need the sensor and the gauge , please choose the item of sensor and gauge together.Package:1* Air Fuel AFR GaugeOr1* Narrowband Oxygen Sensor1* English Manual(Only teach how to install the gauge,but do not teach how to install the O2 sensor,thanks)

• Suitable for trucks, generators/gensets, buses and marine areas
• Reverse polarity protection and anti-fogging performance
• long service life, anti-vibration, explosion-proof and other characteristics
• as a suggestion to include it not only the current instructions to facilitate its installation.
• Suitable for various water level sensors with the same signal and display the level of the tank.