Digital Vibration Tachometer Hour Meter | Waterproof Engine Gauge with LCD Display

Keep track of your engine's running time with this digital vibration tachometer hour meter. It is designed to monitor maintenance intervals for cars, motorcycles, boats, and other gas-powered equipment. The waterproof casing and auto-sleep function make it a reliable tool for long-term use.

This hour meter uses vibration sensing to detect when the engine is running. It starts timing automatically when it picks up engine vibration and stops when the engine is off. The large LCD display shows the hours clearly, and you can switch between hour and minute display modes with a short press of the button.

The device is powered by a replaceable CR2032 battery. It includes an auto-sleep feature to save battery life, going to sleep after 5 minutes of no ignition signal. It wakes up automatically when it detects vibration again. You can also manually turn the timer on or off by pressing the button for 3 seconds.

Installation is simple with the included double-sided tape. For a more permanent mount, use the drill template to locate screw holes. The meter records up to 9,999.9 hours and automatically rolls over. The epoxy-encapsulated casing resists water, shock, and heat up to 85°C.

Key Features and Benefits

- Vibration-sensing technology that starts and stops timing automatically based on engine activity

• Waterproof and shock-resistant epoxy casing that protects the internal components in tough conditions

• Auto-sleep mode that saves battery life by turning off the display after 5 minutes of inactivity

• Replaceable CR2032 battery that allows you to keep using the meter without replacing the whole unit

• Dual display modes (hours or minutes) that let you choose the format that works best for your tracking needs

• Manual on/off function that prevents false timing during transport or storage

Who Is This For

- Boat owners who need to track engine hours for regular oil changes and maintenance

• Motorcycle riders who want to monitor service intervals without relying on memory

• Equipment operators managing preventative maintenance schedules for generators, pumps, or trailers

• DIY mechanics who prefer a wireless, easy-to-install hour meter for multiple vehicles

Usage Scenario

Mark owns a small fishing boat and used to guess when to change the engine oil. After installing this hour meter on the engine housing, he now sees exactly how many hours the motor has run. The meter wakes up as soon as the engine starts and goes to sleep on its own after he docks. He no longer worries about missing a maintenance window.

Micro Comparison

Unlike wired hour meters that require connecting to the ignition or battery, this model uses vibration sensing for a simpler installation. It works on any gas engine without complex wiring. The auto-sleep feature also helps preserve battery life, which is not always available on basic mechanical hour meters.

Specifications

- Material: ABS and plastic

• Item Weight: 45-55g

• Item Height: 1.4 in

• Item Length: 5.4 in

• Item Width: 3.5 in

• Battery Type: CR2032 (replaceable)

• Record Range: Up to 9,999.9 hours

• Resolution: 0.1 hour

• Operating Temperature: Up to 85°C

• Compatible Engines: 2-stroke and 4-stroke gas engines

Package Includes

- 1 x Digital Vibration Tachometer Hour Meter

• 1 x Double-sided tape

• 1 x Drill template

Why You Will Love It

You no longer need to guess when your next oil change or spark plug replacement is due. This hour meter gives you a clear, accurate reading of engine runtime. It installs in minutes without any wiring, and the waterproof design means it can handle rain, splashes, and engine bay conditions.

Questions and Answers

Question: How does this hour meter detect when the engine is running?

Answer: It uses a built-in vibration sensor. When the engine starts and vibrates, the meter begins counting. When the engine stops, the meter pauses.

Question: Can I use this on a diesel engine?

Answer: This hour meter is designed for gas engines. It works on 2-stroke and 4-stroke gas engines but may not detect vibration on some diesel engines.

Question: How do I reset the hour meter?

Answer: Remove the battery and wait for 5 minutes before putting it back in. This will reset the counter to zero.

Question: Does the meter need to be wired to the battery?

Answer: No. It is wireless and powered by a replaceable CR2032 battery. It only needs to be mounted on a vibrating surface near the engine.

Question: What happens if the battery dies? Will I lose my data?

Answer: If you replace the battery within 2 minutes of removing the old one, the current data will be saved. If it takes longer, the meter will reset.