2022 New 52mm Universal 2 in 1 Dual GaugeApplication: Marine Boats/Truck/Bus/Motor Home/Hot Rod/GeneratorsIF you need the Dual Gauge with Fuel Level+Water Level Gauge , Click this photo to make an order nowAbout the gauge:The device works, with a little delay (about 20-80 seconds) of changes in the readings. Apparently, it is done in order not to react to the splash of water in the tank.Gauge Connection:black line connect to the negative line, red line connect to the positive line, green line connect to the water level sensor signal line, white line connect to the sewage level sensor signal line, yellow line is exchange button lineFeature:- 52mm diameter Two in One Gauge show with easy installation - Programmable Input Resistance Ohm Signal to adapt different fuel /water/temperature sensor 0-190, 0-180, 10-180, 240-33, 240-30 - High Resolution View under sunshine - Installation Diameter: 52mm (2inch) - Reverse polarity protection and anti-fogging performance - Working Voltage:12V/24V - Working temperatures: - 40 to 85C - IP66 Waterproof - Water level gauge alarm set: less than 20% - Sewage level gauge alarm set: more than 80%INSTALLATION GUIDE1. Cut an 52mm (2-1/16 ) hole in the panel (II) allow a clearance of 55mm (2 3/16). behind the panel. 2. Remove fastening ring (I), insert gauge from front. Tighten gauge (III) using fastening ring ( I) 3. Connect cables according to the diagram/label.Setting MenuUnit R 1 R 21.Hold & Press the button, Power On Gauge, the LED screen will show Switch Show Unit, R 1R2 2.Unit Fuel Gauge, Water Level, HTG Sewage Level: % Water temperature: or 3.R1---Configure Top Row Signal Range Press Button to switch 000 ~006 For example, LED will show 00 1which means 0~180ohm, then release the button and wait digital flash to complete to save setting4.R2---Configure Top Row Signal Range Press Button to switch 000 ~006. For example, LED will show 002 , which means 10~180ohm, then release the button and wait digital flash to complete to save settingPackage:1PCS Gauge+Manual+Cable or 1PCS SensorSensor Feature:- Material: 304 Stainless Steel -Assembly: 5 holes -Mounting: 5 pieces of M5 screws and 2 mm thick gasket -Operating temperatures: - 40 to 85 degree -Protection rank: IP67 -Level Sensor Support : Water Level Gauge -Signal: 0-190 ohm -Resolution ratio: 21mm - Fitment: for Gasoline, diesel, methanol fuel, ethanol fuel - When the oil / water level is empty , there will be a space of 3-21mm between the sensor float and the bottom of the sensor. This is a safe distance, and the sensor can work normally,Thank you~Sensor Connection:- Brown line Connect to the Signal Output - Blue line Connect to the Negative(-)Package:1 PCS Sensor(not included gauge)