2022 New 52mm Universal 2 in 1 Dual GaugeApplication: Marine Boats/Truck/Bus/Motor Home/Hot Rod/GeneratorsAbout the Gauge ReadingThe 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.Feature:- 52mm diameter Two in One Gauge show with easy installation- Programmable Input Resistance Ohm Signal to adapt different fuel /water/temperature sensor0-190, 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 WaterproofINSTALLATION 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 ShowUnit, R 1R22.UnitFuel Gauge, Water Level, HTG Sewage Level: %Water temperature: or 3.R1---Configure Top Row Signal RangePress Button to switch 000 ~006For example, LED will show 00 1which means 0~180ohm, then release the button and wait digital flash to complete to save settingSetting Menu:"Unit" "R 1" "R 2"1.Hold & Press the button, Power On Gauge, the LED screen will show Switch ShowUnit, R 1R22.UnitFuel Gauge, Water Level, HTG Sewage Level: %Water temperature: or 3.R1---Configure Top Row Signal RangePress Button to switch 000 ~006For 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 RangePress 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 settingWarning Set about the gauge:Fuel Level Gauge:20%Water level Gauge: 20%HTG Sewage Level Gauge: 80%Voltmeter: <10.8VWater Temperature Gauge: 982Package:1PCS Gauge+Manual+Cable Fuel Level Sensor:-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 and Fuel Level Gauge Package:1 X Sensor Water Temperature Sensor:- 1/8NPT Sensor- Package: 1 X sensorSewage level sensor:- Signal: 0-190 ohm- Length: 100-1000mm- Package:1 X sensor