2023 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 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: 20% - HTG Level Gauge Alarm Set: 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 Menu: Unit R 1 R 2 1.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+Cable+Manual Water / Sewage Level Sensor:- Protection ank: IP67 - Resolution range: 21 mm - Assembly: SAE standard 5 holes - Rated current for alarm switch: 500mA - Operating temperatures: - 40 to 85 Celsius - Fit for Fuel Level Gauge and Water Level Gauge - Sensor Length :150mm, 200mm, 250mm, 300 mm ,350 mm ,400mm, 450 mm - Mounting: 5 pieces of M5 screws and 2 mm thick gasket - Output signal: 0~190 ohm (Standard European), fit for water /Fuel Level Gauge: 0-190ohm - Fitment: for Gasoline, diesel, methanol fuel, ethanol fuel - the blue wire of sensor is connect the Ground line, - the brown wire of sensor is connect the gaugePackage: 1PCS Water / Sewage Level Sensor+Manual