{"product_id":"12-v-24-v-4-i-1-lcd-digitalmatare-voltmeter-oljetryck-bransleniva-vattentemperatur-med-m10-npt-sensor","title":"12V\/24V 4-in-1 LCD Digital Meter - Voltmeter, Oil Pressure, Fuel Level \u0026 Water Temperature with M10 NPT Sensor","description":"\u003cdiv class=\"product-summary\"\u003e\n\u003ch2\u003eQuick Overview – 4-in-1 LCD Digital Meter 12 V\/24 V\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGet a complete overview of the engine's most important values on a single screen.\u003c\/strong\u003e This \u003cstrong\u003e4-in-1 LCD Digital Meter\u003c\/strong\u003e displays \u003cem\u003ebattery voltage, water temperature, oil pressure, and fuel level\u003c\/em\u003e in real-time and is perfect for cars, trucks, RVs, boats, and other vehicles with 12 V or 24 V electrical systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Range:\u003c\/strong\u003e 9–39 V (withstands voltage spikes up to 40 V).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Temperature:\u003c\/strong\u003e –10 °C to 120 °C, alarm at \u0026gt; 95 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Pressure:\u003c\/strong\u003e 0–1.0 MPa, alarm at \u0026lt; 0.1 MPa.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Level:\u003c\/strong\u003e 5–1000 Ω, alarm at \u0026lt; 10% level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision:\u003c\/strong\u003e ±0.1% for all measurements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor:\u003c\/strong\u003e included M10 NPT 10 mm water temperature sensor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe meter features \u003cstrong\u003ebuilt-in flashing alarms\u003c\/strong\u003e to warn of dangerous values and an \u003cstrong\u003eanti-vibration\/anti-bump\u003c\/strong\u003e design that provides stable readings even in harsh environments. The smart \u003cem\u003eself-learning function\u003c\/em\u003e automatically adapts to fuel sensors with different resistance ranges, making installation easy.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eA modern, accurate, and easy-to-install solution for those who want to monitor engine health and electrical systems with a single instrument – peace of mind for both road and water.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003e12 V\/24 V 4-in-1 LCD Digital Meter – Voltmeter, Oil Pressure, Fuel Level \u0026amp; Water Temperature with M10 NPT sensor\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e12 V\/24 V 4-in-1 LCD Digital Meter\u003c\/strong\u003e is the next generation of multifunctional instruments, replacing traditional analog gauges. It displays \u003cstrong\u003ebattery voltage (volts), oil pressure, fuel level, and water temperature\u003c\/strong\u003e directly on a clear \u003cem\u003eLCD screen\u003c\/em\u003e. Utilizing advanced \u003cstrong\u003esingle-chip technology\u003c\/strong\u003e, you get high precision, low power consumption, and long lifespan – perfect for both professional workshops and those looking to upgrade the instrumentation in their car, boat, RV, or truck.\u003c\/p\u003e\n\u003cp\u003eThe instrument is designed to withstand harsh environments: strong vibration, significant temperature fluctuations, and high humidity. You get an \u003cstrong\u003eintuitive and stable measurement\u003c\/strong\u003e that makes it easy to monitor vital engine parameters and avoid costly downtime.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e DC 9–36 V (handles voltage peaks up to 40 V).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Environment:\u003c\/strong\u003e –40 °C to +50 °C, 45–75% relative humidity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e High-resolution LCD with clear backlighting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Temperature:\u003c\/strong\u003e –10 °C to +120 °C (accuracy ±0.1%). Alarm at \u0026gt; 95 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Pressure:\u003c\/strong\u003e 0–1.0 MPa (accuracy ±0.1%). Alarm at \u0026lt; 0.1 MPa.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Level\/Oil Level:\u003c\/strong\u003e Resistance range 5–1000 Ω (accuracy ±0.1%). Alarm at \u0026lt; 10% level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 9–39 V (accuracy ±0.1%). Alarm at \u0026lt; 10 V, 16–20 V or \u0026gt; 31 V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor:\u003c\/strong\u003e Water temperature sensor M10 NPT 10 mm (must be used with the instrument).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Strong vibration and shock resistance, built-in alarms and self-protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour meters in one:\u003c\/strong\u003e Voltage, oil pressure, fuel level, and water temperature on a single LCD screen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-wide voltage:\u003c\/strong\u003e Handles voltage variations from 9 V up to 39 V and withstands peaks up to 40 V without malfunction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic alarms:\u003c\/strong\u003e Flashing visual warning for too low\/high voltage, high coolant temperature (\u0026gt; 95 °C), low oil pressure (\u0026lt; 0.1 MPa), or low fuel level (\u0026lt; 10%).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-vibration \u0026amp; anti-bump:\u003c\/strong\u003e Stable measurement even when the vehicle is driven on uneven surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick fuel level sensor setting:\u003c\/strong\u003e Quickly select vehicle type or utilize the built-in \u003cem\u003eself-learning function\u003c\/em\u003e that automatically matches the sensor's resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern design:\u003c\/strong\u003e Sleek, easy-to-read LCD with low power consumption and long lifespan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide range of applications:\u003c\/strong\u003e Suitable for cars, trucks, RVs, boats, construction machinery, and stationary engines with 12 V or 24 V systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy to install:\u003c\/strong\u003e Simple connection of the included M10 NPT 10 mm sensor and standardized cables.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith the \u003cstrong\u003e4-in-1 LCD Digital Meter\u003c\/strong\u003e, you get a complete overview of the engine's most important parameters on a single display. This allows for quicker troubleshooting, safer driving, and minimizes the risk of unexpected breakdowns.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003e4-in-1 LCD Digital Meter\u003c\/strong\u003e is designed for a wide range of vehicles and equipment with \u003cstrong\u003e12 V or 24 V electrical systems\u003c\/strong\u003e. It is suitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePassenger cars and vans that require additional engine data monitoring.\u003c\/li\u003e\n\u003cli\u003eRVs, trucks, and construction machinery with 24 V systems.\u003c\/li\u003e\n\u003cli\u003eBoats and marine applications where voltage, oil pressure, and coolant temperature must be monitored.\u003c\/li\u003e\n\u003cli\u003eStationary engines, generators, and industrial facilities with 12 V\/24 V power supply.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe product works in both gasoline and diesel engines. Thanks to its wide voltage range (9–36 V), it also withstands voltage spikes up to 40 V, making it ideal for environments with high starting currents.\u003c\/p\u003e\n\u003ch2\u003eStep-by-step manual and installation guide\u003c\/h2\u003e\n\u003cp\u003eRead the entire guide before installation and always use appropriate safety equipment.\u003c\/p\u003e\n\u003ch3\u003ePreparations\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eCheck that all components are included in the package: 4-in-1 LCD meter, M10 NPT 10 mm water temperature sensor, and associated cabling.\u003c\/li\u003e\n\u003cli\u003eTurn off the ignition and disconnect the battery's negative terminal to avoid short circuits.\u003c\/li\u003e\n\u003cli\u003ePlan the mounting location so that the display is easily visible and protected from direct moisture and strong heat.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eInstallation of water temperature sensor (M10 NPT 10 mm)\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eIdentify a suitable port in the cooling system (e.g., thermostat housing or T-adapter on the radiator hose) with M10 NPT thread.\u003c\/li\u003e\n\u003cli\u003eUse thread sealant or a copper washer to prevent leaks and carefully screw in the sensor.\u003c\/li\u003e\n\u003cli\u003eRoute the sensor cable towards the meter's location and secure it so that it does not come into contact with hot or moving parts.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eElectrical connection\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed wire:\u003c\/strong\u003e +12 V or +24 V (ignition-switched positive is recommended).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack wire:\u003c\/strong\u003e Ground (–), connected to the vehicle's chassis or the battery's negative terminal.\u003c\/li\u003e\n\u003cli\u003eOther cables are connected to the respective sensors: oil pressure sensor, fuel level sensor, and water temperature sensor (included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003col start=\"4\"\u003e\n\u003cli\u003eSecure all cables with zip ties and protect them from heat and vibrations.\u003c\/li\u003e\n\u003cli\u003eReconnect the battery's negative terminal and turn on the ignition. Check that the display lights up and shows the correct voltage.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eConfiguration and calibration\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eSelect vehicle type for the fuel level sensor via the built-in \u003cstrong\u003equick setting function\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eUse the \u003cstrong\u003eself-learning function\u003c\/strong\u003e if you have a fuel sensor with unknown resistance. The meter automatically learns the sensor resistance.\u003c\/li\u003e\n\u003cli\u003eVerify that all four parameters – voltage, water temperature, oil pressure, and fuel level – are displayed on the screen.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eUsage\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage monitoring:\u003c\/strong\u003e The measuring range is 9–39 V. The display alarms by flashing if the voltage drops below 10 V, is between 16–20 V, or exceeds 31 V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater temperature:\u003c\/strong\u003e Measuring range –10 °C to 120 °C. Flashing alarm at temperatures above 95 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil pressure:\u003c\/strong\u003e Measuring range 0–1.0 MPa. Alarm at pressure below 0.1 MPa.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel level:\u003c\/strong\u003e Resistance range 5–1000 Ω. Alarm at level below 10%.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWipe the display and casing with a soft, slightly damp cloth. Avoid solvents.\u003c\/li\u003e\n\u003cli\u003eRegularly check that sensors and cabling are intact and properly secured.\u003c\/li\u003e\n\u003cli\u003eIf the vehicle is not used for extended periods, disconnect power to minimize battery consumption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlways disconnect the battery's negative terminal before making electrical connections.\u003c\/li\u003e\n\u003cli\u003eOnly use included sensors – mixing with other brands can lead to incorrect readings and damage the instrument.\u003c\/li\u003e\n\u003cli\u003eMount the unit protected from moisture and extreme heat.\u003c\/li\u003e\n\u003cli\u003eDouble-check all connections before reconnecting power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003ch3\u003eWhat four measurements does the meter display?\u003c\/h3\u003e\n\u003cp\u003eIt displays \u003cstrong\u003ebattery voltage (Volts)\u003c\/strong\u003e, \u003cstrong\u003ewater temperature (°C)\u003c\/strong\u003e, \u003cstrong\u003eoil pressure (MPa)\u003c\/strong\u003e, and \u003cstrong\u003efuel level\/oil level\u003c\/strong\u003e on a single LCD screen.\u003c\/p\u003e\n\u003ch3\u003eDoes it work on both 12 V and 24 V vehicles?\u003c\/h3\u003e\n\u003cp\u003eYes. The meter has an operating range of \u003cstrong\u003e9–36 V\u003c\/strong\u003e and can handle voltage spikes up to 40 V, making it suitable for both 12 V and 24 V systems.\u003c\/p\u003e\n\u003ch3\u003eDoes the instrument have built-in alarms?\u003c\/h3\u003e\n\u003cp\u003eYes. Flashing visual warning at:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVoltage below 10 V, between 16–20 V, or above 31 V\u003c\/li\u003e\n\u003cli\u003eWater temperature above 95 °C\u003c\/li\u003e\n\u003cli\u003eOil pressure below 0.1 MPa\u003c\/li\u003e\n\u003cli\u003eFuel level below 10%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDo I have to use the included sensors?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e The instrument and sensors are matched. Mixing with other brands can lead to inaccurate measurements or damage to the equipment. Any damage will not be covered by warranty.\u003c\/p\u003e\n\u003ch3\u003eCan the meter handle vibrations?\u003c\/h3\u003e\n\u003cp\u003eYes, it is designed with \u003cstrong\u003eanti-vibration and anti-bump\u003c\/strong\u003e for stable operation even in harsh environments.\u003c\/p\u003e\n\u003ch3\u003eHow does the self-learning function for the fuel sensor work?\u003c\/h3\u003e\n\u003cp\u003eThe meter can automatically adapt to fuel sensors with different resistance ranges (5–1000 Ω). This simplifies installation even when exact sensor data is missing.\u003c\/p\u003e\n\u003ch3\u003eWhat is the accuracy of the measurements?\u003c\/h3\u003e\n\u003cp\u003eAll parameters (volts, water temperature, oil pressure, fuel level) have a measurement precision of approximately \u003cstrong\u003e±0.1%\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eCan I use it in a boat or RV?\u003c\/h3\u003e\n\u003cp\u003eYes. The wide voltage compatibility and resistance to vibrations make it suitable for marine environments and RVs as well.\u003c\/p\u003e\n\u003ch3\u003eWhat happens if the voltage exceeds 40 V?\u003c\/h3\u003e\n\u003cp\u003eThe instrument is designed to withstand short-term spikes up to 40 V, but continuous operation above 36 V is not recommended.\u003c\/p\u003e\n\u003ch2\u003eTips \u0026amp; advice\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount sensors carefully:\u003c\/strong\u003e Use thread sealant or a copper washer to prevent leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect cabling:\u003c\/strong\u003e Route cables away from moving or hot engine parts, use corrugated tubing and zip ties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIgnition-switched positive:\u003c\/strong\u003e Connect the meter's red wire to a fused, ignition-switched +12\/24 V to avoid battery discharge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify alarm levels:\u003c\/strong\u003e Confirm that the alarms for voltage, temperature, and oil pressure work after installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService interval:\u003c\/strong\u003e Regularly check that sensors and cabling are in good condition for maintained precision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrate fuel level:\u003c\/strong\u003e Use quick setting or self-learning to match the sensor resistance to the meter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTroubleshooting\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo display:\u003c\/strong\u003e Check fuse, supply voltage, and that red\/black are correctly connected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncorrect voltage reading:\u003c\/strong\u003e Measure the supply voltage directly at the battery – voltage drop can occur in overly long or thin cables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo signal from sensor:\u003c\/strong\u003e Check cabling and that the sensor is correctly installed and connected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnexpected alarms:\u003c\/strong\u003e Check sensor placement, cooling system bleeding, and ground connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × 4-in-1 LCD Digital Meter (9–36 V)\u003c\/li\u003e\n\u003cli\u003e1 × Water Temperature Sensor M10 NPT 10 mm\u003c\/li\u003e\n\u003cli\u003e1 × Cables and quick guide (content may vary slightly depending on version)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant Notes \u0026amp; Disclaimer\u003c\/h2\u003e\n\u003cp\u003eThis product is intended for \u003cstrong\u003e12\/24 V vehicle use\u003c\/strong\u003e. Always follow the included installation instructions and only use the sensors provided.\u003c\/p\u003e\n\u003cp\u003eMount the instrument in a location protected from direct water ingress and extreme heat\/cold. Operating temperature for the display: –40 °C to +50 °C.\u003c\/p\u003e\n\u003cp\u003eIncorrect installation, use of incompatible sensors, or operation outside specified specifications can lead to inaccurate measurements or damage to the vehicle's system.\u003c\/p\u003e\n\u003cp\u003eThe manufacturer reserves the right to update product specifications without prior notice. Use is at your own risk.\u003c\/p\u003e\n\u003ch2\u003eSummary\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e12 V\/24 V 4-in-1 LCD Digital Meter\u003c\/strong\u003e gives you full control over \u003cstrong\u003evoltage, water temperature, oil pressure, and fuel level\u003c\/strong\u003e on a single high-resolution LCD screen. With a self-learning fuel sensor, wide voltage compatibility, and built-in alarms, this is the perfect choice for anyone who wants to monitor their engine and electrical system in a modern and reliable way.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Felkodsläsare","offers":[{"title":"Default Title","offer_id":54480195518732,"sku":"FEL-D0196","price":23.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/4979\/6876\/files\/H65817bb3bf0840fa887be8edc9c61f8e4.png?v=1766930382","url":"https:\/\/www.felkodslasare.se\/en-en\/products\/12-v-24-v-4-i-1-lcd-digitalmatare-voltmeter-oljetryck-bransleniva-vattentemperatur-med-m10-npt-sensor","provider":"Felkodsläsare","version":"1.0","type":"link"}