{"product_id":"5-digit-led-digital-tachometer-rpm-speed-meter-brushless-motor","title":"5-Digit LED Digital Tachometer RPM Speed Meter | Brushless Motor","description":"\u003ch2\u003e5-Digit LED Digital Tachometer \u0026amp; RPM Speed Meter\u003c\/h2\u003e\n\u003cp\u003eMeet the ultimate precision instrument for measuring motor speed and frequency. This \u003cstrong\u003e5-digit LED digital tachometer\u003c\/strong\u003e is engineered for reliability and versatility, supporting a wide DC voltage range (3–15V) and a broad frequency measurement span from 0.15 Hz to 100 kHz. Whether you're working with brushless motors, industrial machinery, or testing rigs, this digital ratemeter delivers accurate, stable, and consistent readings every time.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5-Digit High-Precision Display:\u003c\/strong\u003e Large LED digital tube display provides clear, easy-to-read RPM and frequency values at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Mode Operation:\u003c\/strong\u003e Switch seamlessly between \u003cem\u003efrequency\u003c\/em\u003e and \u003cem\u003espeed (RPM)\u003c\/em\u003e measurement modes with a single key press. Your selected mode is retained even after power-off.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExceptional Measurement Accuracy:\u003c\/strong\u003e Accuracy up to 0.01% at 25°C; resolution down to 0.001 Hz — ideal for demanding applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Signal Compatibility:\u003c\/strong\u003e Recognizes dry contact, NPN, PNP, and pulse signals with an amplitude range of 3–30V. Works with motor drive outputs or external sensors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Frequency Division:\u003c\/strong\u003e Configurable frequency division values from 1–99,999 and 0.0001–9.9999 — power-off memory keeps your settings saved.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Range Switching:\u003c\/strong\u003e Auto-switches display from 0.000 Hz (R\/M) to 000.00 KHz (KR\/M) without manual adjustment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReverse Connection Protection:\u003c\/strong\u003e Built-in reverse polarity protection prevents damage if positive and negative lines are inadvertently swapped.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Synchronous Cycle Measurement:\u003c\/strong\u003e Industrial-grade high-speed MCU with advanced anti-interference technology ensures stable, reliable readings across all compatible motors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVibration Resistant:\u003c\/strong\u003e Engineered to withstand vibration of 10–55 Hz at 50 m\/s² — suitable for workshop and industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5-digit LED digital tube\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefresh Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥3 Hz signal: 3×\/sec; \u0026lt;3 Hz signal: ~equal to signal frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1% ±1 digit; 0.01% at 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasuring Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.15 Hz – 100 kHz \/ 9 r\/m – 999.99 Kr\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull synchronous cycle measurement\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 3–15V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 2000V (1 min, terminal to housing)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVibration Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10–55 Hz, 50 m\/s², 5 min × 10 in X, Y, Z axes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Amplitude\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3–30V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber housing\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Digital LED Tachometer \/ RPM Speed Meter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSignal amplitude must remain within 3–30V; exceeding this range may cause damage to the unit.\u003c\/li\u003e\n  \u003cli\u003eColor may vary slightly from images due to screen and lighting differences.\u003c\/li\u003e\n  \u003cli\u003eAllow ±1 mm–1 cm tolerance due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor further guidance on electrical measurement safety standards, visit the \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety resource\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of signals does this digital tachometer support?\u003c\/h4\u003e\n\u003cp\u003eA: This tachometer supports dry contact, NPN, PNP, and pulse signal types, with a signal amplitude range of 3–30V. It can connect directly to a motor drive output or to an external sensor, making it compatible with a wide range of brushless and other motor types.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this RPM speed meter with any motor?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — as long as the motor (or its drive) can provide a pulse speed signal, this meter can measure its RPM. The measuring range covers 9 r\/m up to 999.99 Kr\/m, making it suitable for everything from slow-turning motors to high-speed industrial applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What happens if I accidentally reverse the power connections?\u003c\/h4\u003e\n\u003cp\u003eA: This tachometer features built-in reverse connection protection, so accidentally swapping the positive and negative power leads will not damage the unit. However, ensure that any signal input remains within the 3–30V amplitude range to avoid harm to the meter.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the tachometer remember my settings after being powered off?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Both the working mode (frequency or speed) and your configured frequency division values are stored in non-volatile memory, so your settings are automatically restored each time the unit is powered on.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of signals does this digital tachometer support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This tachometer supports dry contact, NPN, PNP, and pulse signal types, with a signal amplitude range of 3–30V. It can connect directly to a motor drive output or to an external sensor, making it compatible with a wide range of brushless and other motor types.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this RPM speed meter with any motor?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — as long as the motor (or its drive) can provide a pulse speed signal, this meter can measure its RPM. The measuring range covers 9 r\/m up to 999.99 Kr\/m, making it suitable for everything from slow-turning motors to high-speed industrial applications.\"}}, {\"@type\": \"Question\", \"name\": \"What happens if I accidentally reverse the power connections?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This tachometer features built-in reverse connection protection, so accidentally swapping the positive and negative power leads will not damage the unit. However, ensure that any signal input remains within the 3–30V amplitude range to avoid harm to the meter.\"}}, {\"@type\": \"Question\", \"name\": \"Does the tachometer remember my settings after being powered off?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Both the working mode (frequency or speed) and your configured frequency division values are stored in non-volatile memory, so your settings are automatically restored each time the unit is powered on.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Tools \u0026 Hardware\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/tools-hardware\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"5-Digit LED Digital Tachometer RPM Speed Meter | Brushless Motor\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/5-digit-led-digital-tachometer-rpm-speed-meter-brushless-motor\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"Default Title","offer_id":48748258427072,"sku":"\u003cnone\u003e","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/S7aee12409b7c400db83af2068cb4d1c4Y.webp?v=1786202160","url":"https:\/\/vueselect.com\/products\/5-digit-led-digital-tachometer-rpm-speed-meter-brushless-motor","provider":"Vue","version":"1.0","type":"link"}