{"product_id":"runleader-digital-hour-meter-rl-hm057ad-lcd-display-wide-5-277v-input-ip68","title":"Runleader Digital Hour Meter RL-HM057AD — LCD Display, Wide 5–277V Input, IP68","description":"\u003cp\u003e\u003cstrong\u003eThe Runleader RL-HM057AD is a compact digital hour counter with an LCD display that accurately records equipment runtime from 0 to 99,999 hours and supports wide input voltages.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe RL-HM057AD hour meter combines a clear numeric LCD, wide-voltage compatibility and robust sealing so you can track operating hours on engines, generators, mowers and other powered equipment. Built with epoxy encapsulation and an internal backup battery, it keeps a reliable runtime log across harsh environments and varied power systems.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this hour counter measure and store runtime?\u003c\/h3\u003e\n\u003cp\u003eThe meter starts counting when it detects external power and records cumulative hours up to 99,999. A built-in CR2050 battery maintains the display memory so the total is preserved when external power is removed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCounts total operating hours continuously from 0 to 99,999.\u003c\/li\u003e\n  \u003cli\u003eStarts logging when the device receives AC or DC voltage.\u003c\/li\u003e\n  \u003cli\u003eOn machines with seat-pressure switches (e.g., riding mowers), it begins when the switch is engaged.\u003c\/li\u003e\n  \u003cli\u003eInternal CR2050 battery preserves data during power interruptions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat power sources and voltages does the RL-HM057AD accept?\u003c\/h3\u003e\n\u003cp\u003eThis hour meter accepts a broad range of input voltages, allowing it to work with many vehicle and equipment electrical systems. It supports both AC and DC supplies, so a single unit fits multiple applications without extra converters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOperates across 5V to 277V AC\/DC input range.\u003c\/li\u003e\n  \u003cli\u003eCompatible with common system voltages such as 12V, 24V, 48V, 110–230V and others.\u003c\/li\u003e\n  \u003cli\u003eNo polarity-sensitive terminals—two identical pins simplify wiring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the meter durable enough for outdoor and wet environments?\u003c\/h3\u003e\n\u003cp\u003eThe RL-HM057AD is epoxy-encapsulated and rated to withstand immersion, making it appropriate for wet or dusty locations. Its IP68-level protection ensures it remains operational even when exposed to rain, splashes or temporary submersion.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid epoxy resin construction for strong water and dust resistance.\u003c\/li\u003e\n  \u003cli\u003eIP68-rated performance; functions properly after immersion testing up to 10 meters.\u003c\/li\u003e\n  \u003cli\u003eSealed display and body to resist workshop and outdoor conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what mounting options are there?\u003c\/h3\u003e\n\u003cp\u003eInstall the hour meter into switch panels or equipment housings with a simple drill-and-snap method using the specified cut-out size. The meter's two identical pins make electrical connection straightforward, and its compact footprint fits tight control panels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePanel cut-out size: 37.50mm × 24.50mm (1.48\" × 0.96\").\u003c\/li\u003e\n  \u003cli\u003eSnap-in mounting after drilling the panel opening; no special brackets required.\u003c\/li\u003e\n  \u003cli\u003eTwo-pin connection; positive and negative are not differentiated for easier wiring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: The Runleader RL-HM057AD is suited for equipment owners, maintenance technicians and fleet managers who need a dependable, compact hour meter for tractors, lawn mowers, generators, compressors, construction machines and other powered assets. Choose it when you want wide-voltage compatibility, IP68-level protection and an easy panel mount solution to track service intervals and equipment usage.\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: Will this hour meter work on 12V and 220V systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The RL-HM057AD accepts 5–277V AC or DC, so it works with both 12V and 220V electrical systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can it keep the runtime if power is removed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. A built-in CR2050 backup battery preserves the recorded hours when external power is disconnected.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Runleader","offers":[{"title":"Default Title","offer_id":48084321927326,"sku":"B07Q3QF62K","price":31.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/runleader-rl-hm057ad-front-lcd.jpg?v=1785849820","url":"https:\/\/northtrailauto.ca\/products\/runleader-digital-hour-meter-rl-hm057ad-lcd-display-wide-5-277v-input-ip68","provider":"North Trail Auto","version":"1.0","type":"link"}