{"product_id":"portable-motor-rotation-tester-ac-solenoid-coil-detector","title":"Portable AC Motor Rotation Tester – Solenoid \u0026 Coil Detector","description":"\n\u003ch2\u003ePortable Motor Rotation Tester – AC Solenoid \u0026amp; Coil Detection Tool\u003c\/h2\u003e\n\u003cp\u003eQuickly confirm motor rotation direction and solenoid activity with this compact \u003cstrong\u003eAC Coil Detector\u003c\/strong\u003e. Designed for both professionals and home users, this non-contact magnetic testing tool takes the guesswork out of diagnosing circulating pumps, HVAC components, and other AC-powered motors — no batteries required.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccurate Solenoid Detection:\u003c\/strong\u003e Reliably identifies energized motor and pump rotation states, supporting fast diagnostics during machinery maintenance without direct contact.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVisual Rotation Indicator:\u003c\/strong\u003e A clear visual indicator confirms magnetic field presence and directional rotation sensing, making it easy to verify pump activity at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVibration-Resistant Magnet Design:\u003c\/strong\u003e The internal solenoid magnet performs dependably even in high-vibration environments — ideal for construction sites, automotive repair shops, and industrial facilities.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS Construction:\u003c\/strong\u003e Built from tough ABS plastic, this tester withstands daily job-site use while delivering precise magnetic disc rotation readings without compromising accuracy.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKeychain Attachment Included:\u003c\/strong\u003e A built-in keychain loop keeps the tester within reach at all times, so it's ready for quick deployment wherever you need it.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Battery Required:\u003c\/strong\u003e Completely passive operation — just bring it near an energized AC coil or motor to get a reading instantly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e AC Coil Detector \/ Motor Rotation Tester\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approx. 6.3 × 2 cm (2.48 × 0.79 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e ABS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e Not required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e WEEE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAC Coil Detector × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCirculating pump diagnostics\u003c\/li\u003e\n  \u003cli\u003eHVAC solenoid valve testing\u003c\/li\u003e\n  \u003cli\u003eAutomotive relay and coil checks\u003c\/li\u003e\n  \u003cli\u003eIndustrial motor maintenance\u003c\/li\u003e\n  \u003cli\u003eHome electrical DIY projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlso check out these related tools and gadgets from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0–10\/0–12\/0–25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to lighting conditions and display settings, slight color variations may appear. Product dimensions are measured manually and minor tolerances may apply.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the AC Coil Motor Rotation Tester require batteries to operate?\u003c\/h4\u003e\n\u003cp\u003eA: No — this portable AC coil detector is completely passive. It draws on the magnetic field generated by an energized AC coil or motor to operate, so no batteries or external power source are needed.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What types of motors or equipment can this solenoid tester be used on?\u003c\/h4\u003e\n\u003cp\u003eA: The tester is compatible with a wide range of AC-powered equipment including circulating pumps, HVAC solenoid valves, automotive relays, and industrial motors. It's suitable for both professional technicians and home DIY users.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this motor rotation detector safe to use in high-vibration environments?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The vibration-resistant solenoid magnet inside ensures accurate, non-contact readings even in dynamic settings like construction sites, machine shops, or automotive repair facilities where movement and noise are constant.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How portable is this AC coil detector?\u003c\/h4\u003e\n\u003cp\u003eA: Very portable — it measures approximately 6.3 × 2 cm (roughly 2.5 × 0.8 inches) and comes with a keychain loop so you can attach it to your keys or tool bag for immediate access on the job.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the AC Coil Motor Rotation Tester require batteries to operate?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — this portable AC coil detector is completely passive. 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