{"product_id":"runleader-hm011f-digital-tachometer-engine-hour-meter-2-pack-programmable-service-reminder-rpm-display","title":"Runleader HM011F digital tachometer \u0026 engine hour meter 2-pack — programmable service reminder, RPM display","description":"\u003cp\u003e\u003cstrong\u003eRunleader's 2-piece HM011F digital module records engine hours and RPM while offering a programmable service reminder for small engines.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for lawn mowers, generators, pressure washers and other small gasoline engines, this two-pack of Runleader HM011F units combines an hour meter, countdown maintenance timer and tachometer in a compact housing. The modules keep a visible running-time total when the engine is off, measure engine speed during operation, and sound a clear visual prompt when pre-set service intervals arrive. Each unit is standalone, battery-backed and intended for simple mounting and wiring on a variety of ignition systems.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this device keep track of total engine runtime?\u003c\/h3\u003e\n\u003cp\u003eThe Runleader HM011F continuously accumulates operating hours and displays the total on its screen even when the engine is not running. The hour reading records to one-tenth of an hour and can be reset when needed, making it useful for refurbishing or tracking a fresh service interval after repairs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVisible total run-time display when engine is off\u003c\/li\u003e\n  \u003cli\u003e0.1-hour resolution for precise logging\u003c\/li\u003e\n  \u003cli\u003eOption to reset accumulated hours as required\u003c\/li\u003e\n  \u003cli\u003eInternal battery retains data during power interruptions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan the HM011F remind me when maintenance is due?\u003c\/h3\u003e\n\u003cp\u003eYes — each module includes a programmable service countdown that alerts you when a preset interval has elapsed. The display shows the remaining time, and when it reaches the programmed limit a service warning icon flashes so you’ll know maintenance is required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSettable service interval countdown (SVC)\u003c\/li\u003e\n  \u003cli\u003eFlashing warning indicator when service time arrives\u003c\/li\u003e\n  \u003cli\u003eCountdown visible on-screen for easy monitoring\u003c\/li\u003e\n  \u003cli\u003eUseful for scheduled oil, spark plug, or tune-up reminders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the tachometer function help tune engine performance?\u003c\/h3\u003e\n\u003cp\u003eThe tachometer function measures engine RPM while running and provides a live readout to help adjust idle speeds or diagnose irregular operation. The HM011F supports programming for different ignition types so it can accurately interpret pulses from a wide range of small motors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReal-time RPM display to aid idle adjustment\u003c\/li\u003e\n  \u003cli\u003eProgrammable ignition-mode settings for compatibility\u003c\/li\u003e\n  \u003cli\u003eUseful for detecting inconsistent or abnormal engine speed\u003c\/li\u003e\n  \u003cli\u003eHelps ensure engines run within recommended RPM ranges\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect for installation, battery life, and durability?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward with the included instructions; the unit connects to the ignition pulse and mounts near the engine. Each meter uses a replaceable CR2450 battery and preserves recorded data when the cell is changed. A power-off mode prevents accidental button presses, and Runleader backs the product with a two-year warranty.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSupplied with clear installation directions for quick setup\u003c\/li\u003e\n  \u003cli\u003eReplaceable CR2450 battery with data retention during swaps\u003c\/li\u003e\n  \u003cli\u003eButton lock\/power-off option to avoid accidental resets\u003c\/li\u003e\n  \u003cli\u003eTwo-year limited warranty for peace of mind\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The 2-piece Runleader HM011F package suits homeowners, landscapers, fleet managers and DIY mechanics who service multiple small engines and want a dependable, compact way to log hours, get maintenance reminders and read engine speed. If you need simple installation, clear runtime visibility, and the ability to track scheduled service across two machines, this two-pack offers an economical and practical solution without complex wiring or external power requirements.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the hour meter keep data if the battery is replaced?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The HM011F retains stored hours and settings while you replace the internal CR2450 cell.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can the tachometer work with different ignition systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The device supports programmable ignition-mode settings to match common small-engine ignitions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Runleader","offers":[{"title":"Default Title","offer_id":55167770198359,"sku":"B0B24Y23XW","price":40.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/runleader-hm011f-front-display.jpg?v=1790393318","url":"https:\/\/britishgarage.co.uk\/products\/runleader-hm011f-digital-tachometer-engine-hour-meter-2-pack-programmable-service-reminder-rpm-display","provider":"British Garage","version":"1.0","type":"link"}