{"product_id":"tachometer-rpm-contains-working-hours-tracking-digital-hour-meter-maintenance-reminder-and-engine-rpm-recorded-alert-backlights","title":"RL-HM011HB Engine Tachometer \u0026 Hour Meter with Backlight","description":"\u003cp\u003eBase engine servicing on recorded running time rather than memory. The RL-HM011HB combines an hour meter and RPM display for compatible petrol-engine ignition signals. It is for equipment owners who want runtime records, service reminders and engine-speed readings on one display.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePlan service after real running time\u003c\/strong\u003e — Set maintenance reminders alongside the accumulated engine-hour record.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCheck engine speed during a task\u003c\/strong\u003e — View RPM after selecting the firing pattern appropriate to the engine.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSeparate one job from total use\u003c\/strong\u003e — The resettable JOB counter records a period without replacing the total-hour figure.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eRead the display in dim conditions\u003c\/strong\u003e — White backlighting illuminates readings, while red flashing draws attention to configured reminders.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eReview the highest recorded speed\u003c\/strong\u003e — The MAX RPM function retains a peak reading for inspection after operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKeep engine hours and service intervals together\u003c\/h2\u003e\u003cp\u003eSet the appropriate engine firing pattern before using the RPM figure. The signal lead provides a one-wire pickup arrangement for compatible petrol engines; check the supplied installation instructions and engine requirements before mounting or routing it.\u003c\/p\u003e\u003cp\u003eUse the total counter as the ongoing record and reset the JOB counter for a particular period of work. Two individual service timers let you keep different maintenance intervals, such as the tasks specified in the equipment's own service schedule.\u003c\/p\u003e\u003cp\u003eAn RPM threshold can trigger a visual alert. It is a reminder display, not an engine controller or a guarantee against damage. The replaceable CR2450 battery powers the unit, and the housing carries an IP65 rating rather than a claim of immersion resistance.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1b1f2724c9f5499587525596ad5592bbr.jpg\" slate-data-type=\"image\"\u003e\u003cp\u003eThe attached signal lead provides the connection arrangement to check against your engine instructions.\u003c\/p\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sa620039843cd44b5ba3bbce0485b7719u.jpg?width=970\u0026amp;height=600\u0026amp;hash=1570\" slate-data-type=\"image\"\u003e\u003cp\u003eRuntime, service and RPM functions share one display; set the engine firing pattern before reading speed.\u003c\/p\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sddcb2c6aadcf4f2fbc6be2e36b11f0a5h.jpg?width=300\u0026amp;height=400\u0026amp;hash=700\" slate-data-type=\"image\"\u003e\u003cp\u003eSeparate areas keep the current reading and running-hour information visible.\u003c\/p\u003e\u003cimg style=\"border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sa99a58cea79c4c2593c32b5590c8eeb0J.jpg?width=350\u0026amp;height=175\u0026amp;hash=525\" slate-data-type=\"image\"\u003e\u003cp\u003eThe red display illustrates an RPM threshold reminder, not an automatic engine shutdown.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6d25670fa82b401391f7901cf6a3ea4fA.jpg\" slate-data-type=\"image\"\u003e\u003cp\u003eThe display shows RPM during running and a clock when the engine is off.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sa4c2205fde844a9e9c51f8cc5dceb375M.jpg\" slate-data-type=\"image\"\u003e\u003cp\u003eTwo service timers can track different maintenance intervals from the equipment's schedule.\u003c\/p\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd63bd0d6ad284f1083479fbeb492cb0dY.jpg\" slate-data-type=\"image\"\u003e\u003cp\u003eMAX RPM and the configured alert serve different purposes: review a peak and flag a threshold.\u003c\/p\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: RL-HM011HB \/ HM011HB\u003c\/li\u003e\n\u003cli\u003eFunctions: total hours, resettable job hours, service timers and RPM\u003c\/li\u003e\n\u003cli\u003eRPM range: 0–25,000 RPM\u003c\/li\u003e\n\u003cli\u003eFiring-pattern settings: 9\u003c\/li\u003e\n\u003cli\u003eService timers: 2 independent channels\u003c\/li\u003e\n\u003cli\u003eDisplay: LCD with white and red backlight\u003c\/li\u003e\n\u003cli\u003eBattery: included replaceable CR2450\u003c\/li\u003e\n\u003cli\u003eSignal lead: approximately 68.8 inches \/ 1.75 m\u003c\/li\u003e\n\u003cli\u003eHousing: ABS, IP65 rating\u003c\/li\u003e\n\u003cli\u003eIncluded: meter with signal lead and battery; verify mounting method against instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCheck ignition compatibility and add a running-time record to the service routine for your engine-powered equipment.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/spy-shop.com\/collections\/electrical-measuring-tools\"\u003eExplore more measuring tools\u003c\/a\u003e\u003c\/p\u003e","brand":"Spy-shop.com","offers":[{"title":"black \/ China Mainland","offer_id":64136917156170,"sku":"1005009083982592-black-China Mainland","price":49.73,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/5980\/2954\/files\/engine-hour-meter-clean-main.png?v=1793234493","url":"https:\/\/spy-shop.com\/nl\/products\/tachometer-rpm-contains-working-hours-tracking-digital-hour-meter-maintenance-reminder-and-engine-rpm-recorded-alert-backlights","provider":"Spy-shop.com","version":"1.0","type":"link"}