{"product_id":"runleader-digital-maintenance-hour-meter-5-277v-ac-dc-ip68-waterproof-with-eeprom-backup","title":"Runleader Digital Maintenance Hour Meter 5-277V AC\/DC, IP68 Waterproof with EEPROM Backup","description":"\u003cp\u003e\u003cstrong\u003eThe Runleader RL-HM038AG-H is a compact digital maintenance hour meter that tracks total running hours across AC or DC supplies from 5V to 277V and stores data even when power is off.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for outdoor and industrial equipment, this meter offers a wide input-voltage range, waterproof construction, and an EEPROM-backed memory so you can monitor engine or machine runtime and plan service intervals without losing data. It’s compatible with many lawn tractors, generators, and other petrol or electric powered machines and includes an optional oil-change reminder to simplify maintenance scheduling.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the hour meter record and keep runtime data?\u003c\/h3\u003e\n\u003cp\u003eThe RL-HM038AG-H counts hours while the machine is running and displays the accumulated time continuously—even when the host vehicle or device is switched off. An internal CR2050 360mAh battery and EEPROM memory preserve the reading and settings for long-term reliability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecords total hours from 0 to 99,999 hours\u003c\/li\u003e\n  \u003cli\u003eBuilt-in CR2050 battery for display retention\u003c\/li\u003e\n  \u003cli\u003eEEPROM stores data and prevents loss during power loss\u003c\/li\u003e\n  \u003cli\u003eCounts when machine voltage or spark-plug signal is present\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat voltage and equipment is this hour meter compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis hour meter accepts a very broad input range, so it works with both low-voltage DC systems and high-voltage AC sources commonly found on generators and industrial equipment. It’s suitable for many consumer and commercial machines, making it a flexible maintenance tool.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAccepts AC\/DC 5V up to 277V input voltage\u003c\/li\u003e\n  \u003cli\u003eWorks with spark-plug trigger on gasoline engines\u003c\/li\u003e\n  \u003cli\u003eCompatible examples: multiple lawn mower and generator models\u003c\/li\u003e\n  \u003cli\u003eSimple connection to machine power or ignition signal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the unit durable and weatherproof for outdoor use?\u003c\/h3\u003e\n\u003cp\u003eThe meter’s casing is fully encapsulated in epoxy resin to resist moisture and dust, achieving an IP68-level resilience. That means it operates reliably in wet environments and can tolerate immersion to depths specified by the standard, so it’s suited to exposed installations on outdoor equipment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e100% epoxy resin potting for protection\u003c\/li\u003e\n  \u003cli\u003eIP68-rated water resistance for harsh conditions\u003c\/li\u003e\n  \u003cli\u003eRobust for use on lawnmowers, tractors, and generators\u003c\/li\u003e\n  \u003cli\u003ePanel-mounted design with secure fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do you install and use the RL-HM038AG-H on my machine?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: cut a panel opening to the specified size, snap the unit into place, and wire it to the machine’s running-power source or ignition signal. The meter also offers a resettable oil-change reminder that alerts you at regular hour intervals to help maintain equipment longevity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePanel cut-out: 37.50mm × 24.50mm (1.48\" × 0.96\")\u003c\/li\u003e\n  \u003cli\u003eMounts by drill-in and snap-in for secure fit\u003c\/li\u003e\n  \u003cli\u003eResettable oil-change reminder every 50 hours\u003c\/li\u003e\n  \u003cli\u003eBegins counting when power or spark signal is present\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Technicians, landscapers, fleet managers, and DIY equipment owners who need a reliable, low-maintenance runtime monitor for outdoor engines and electrical machines. If you want a straightforward way to log operating hours, keep maintenance on schedule, and protect equipment value without frequent battery concerns, this Runleader hour meter is a practical choice.\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: What voltage range does this hour meter support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It supports AC or DC inputs from 5V up to 277V, suitable for most small engines and generators.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the recorded hours be lost if power is removed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—the built-in CR2050 battery and EEPROM retain the total hours and settings during power loss.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Runleader","offers":[{"title":"Default Title","offer_id":55165601808727,"sku":"B07RHMGNHT","price":32.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/runleader-front-panel-rl-hm038ag-h.jpg?v=1790356169","url":"https:\/\/britishgarage.co.uk\/products\/runleader-digital-maintenance-hour-meter-5-277v-ac-dc-ip68-waterproof-with-eeprom-backup","provider":"British Garage","version":"1.0","type":"link"}