{"product_id":"3000rpm-tachometer-85mm-with-sensor-diesel-engine-marine-boat-car-rpm-gauge-hour-meter-red-backlight","title":"3000RPM Tachometer 85mm with Sensor | Diesel Engine Marine Boat Car RPM Gauge Hour Meter Red Backlight","description":"\u003cp\u003eThis 85mm tachometer with sensor gives you a clear, real-time read of your engine's RPM and running hours. Designed for diesel and gasoline engines, it features a red backlit display that is easy to read in low light. The gauge is a practical upgrade for anyone who needs to monitor engine performance on a boat, truck, car, or generator.\u003c\/p\u003e\n\u003cp\u003eThe tachometer provides accurate readings up to 4000 RPM and includes a built-in hour meter to track engine run time. This helps you stay on top of maintenance schedules and monitor engine load. The included sensor makes installation straightforward, and the 85mm diameter fits standard gauge panels.\u003c\/p\u003e\n\u003cp\u003eBuilt with a durable plastic shell, this gauge operates on a wide voltage range from 9 to 32V DC. It is a versatile tool for keeping your engine running smoothly and reliably. Whether you are upgrading an old gauge or adding one to a new setup, this tachometer delivers the information you need at a glance.\u003c\/p\u003e\n\u003cp\u003eKey Features and Benefits\u003c\/p\u003e\u003cp\u003e- 85mm diameter gauge that fits standard dashboard openings for a clean, professional look\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eRed backlight that improves visibility in dark or dim engine rooms and cockpits\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eBuilt-in hour meter that tracks total engine run time for easier maintenance planning\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eIncluded sensor that simplifies the installation process and ensures accurate signal pickup\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eWide operating voltage range from 9 to 32V DC for use in 12V and 24V electrical systems\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eHigh precision readings up to 4000 RPM for monitoring both idle and high-speed operation\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eWho Is This For\u003c\/p\u003e\u003cp\u003e- Boat owners who want to monitor marine diesel or outboard engine RPM and hours\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eTruck and van operators needing a reliable tachometer for diesel engine performance tracking\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCar enthusiasts upgrading their dashboard with a racing-style gauge that includes an hour meter\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eGenerator users who need to log engine run time for scheduled oil changes and servicing\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eUsage Scenario\u003c\/p\u003e\u003cp\u003eMark runs a small fishing charter and relies on his diesel boat engine day in and day out. He noticed the old tachometer was fading and no longer accurate. After installing this 85mm gauge with the included sensor, he could finally see exact RPM at cruising speed and track total engine hours. The red backlight makes it easy to read even at dusk when returning to the dock. He now schedules oil changes based on the hour meter, saving money and avoiding unexpected breakdowns.\u003c\/p\u003e\n\u003cp\u003eMicro Comparison\u003c\/p\u003e\u003cp\u003eUnlike basic tachometers that only show RPM, this gauge combines a tachometer and hour meter in one unit. The included sensor saves you the hassle of sourcing a separate pickup. Its wide voltage range makes it adaptable to both 12V and 24V systems, giving you more flexibility than single-voltage alternatives.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003c\/p\u003e\u003cp\u003e- Diameter: 85 mm \/ 3.3 in\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eOperating Voltage: 9~32V DC\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eIndicating Range: 0~4000 RPM\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eMaterial: Plastic Shell\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eBacklight Color: Red\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eNumber Of Cylinders: 4\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003ePackage Includes\u003c\/p\u003e\u003cp\u003e- 1x Tachometer\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e1x Sensor\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eWhy You Will Love It\u003c\/p\u003e\u003cp\u003eYou get both RPM and hour tracking in one gauge, which simplifies your dashboard and your maintenance routine. The red backlight adds a sporty look while improving readability in low-light conditions. With the included sensor and clear display, you can install it with confidence and start monitoring your engine right away.\u003c\/p\u003e\n\u003cp\u003eQuestions and Answers\u003c\/p\u003e\u003cp\u003eQuestion: Can this tachometer work on a 12V car battery?\u003c\/p\u003e\u003cp\u003eAnswer: Yes, it operates on 9 to 32V DC, so it works on both 12V and 24V systems.\u003c\/p\u003e\n\u003cp\u003eQuestion: Does the gauge come with the sensor?\u003c\/p\u003e\u003cp\u003eAnswer: Yes, the package includes one tachometer and one sensor.\u003c\/p\u003e\n\u003cp\u003eQuestion: What is the diameter of this gauge?\u003c\/p\u003e\u003cp\u003eAnswer: The diameter is 85 mm, which is about 3.3 inches.\u003c\/p\u003e\n\u003cp\u003eQuestion: Can I use this on a 4-cylinder diesel engine?\u003c\/p\u003e\u003cp\u003eAnswer: Yes, it is designed to work with 4-cylinder engines.\u003c\/p\u003e\n\u003cp\u003eQuestion: Is the backlight adjustable in brightness?\u003c\/p\u003e\u003cp\u003eAnswer: The backlight is red and fixed brightness. It is designed for clear visibility without adjustment.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/ae01.alicdn.com\/kf\/HTB1uKxMUsbpK1RjSZFyq6x_qFXaG.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S932c91e0e41141548b77d76b15aee7dbp.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S88e4b7b87271428499019c7024f9cc93O.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Ha6c67778663b4ff8b57faa6bb805932fX.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H471019083ac04380807851c5f9fed821c.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H8a455416568146d4b63a869bb776da17c.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/H7c47a7354ac14d708fcc66b3606ec7b7H.jpg\" 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