{"product_id":"led-light-bulb-tester-e27-b22-e14-gu10-g4-g9-multi-interface","title":"LED Light Bulb Tester E27 B22 E14 GU10 G4 G9 Multi-Interface","description":"\n\u003ch2\u003eMulti-Interface LED Light Bulb Tester — Test Voltage, Current, Power \u0026amp; More\u003c\/h2\u003e\n\u003cp\u003eTake the guesswork out of lamp testing with this professional-grade \u003cstrong\u003eMulti-Interface LED Light Bulb Tester\u003c\/strong\u003e. Compatible with E27, B22, E14, GU10, G4, and G9 bulb bases, this all-in-one bench tester lets electricians, lighting technicians, and DIY enthusiasts quickly verify the performance of finished and semi-finished LED lamps. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Interface Compatibility:\u003c\/strong\u003e Supports E27, B22, E14, GU10, G4, and G9 lamp bases — one tester for virtually every common bulb type.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-in-1 Measurement:\u003c\/strong\u003e Simultaneously reads voltage, current, power, and power factor for comprehensive lamp performance data.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Precision:\u003c\/strong\u003e Meter accuracy within ±0.2%, ensuring reliable and repeatable readings every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeesaw Safety Switch:\u003c\/strong\u003e Cuts both live and neutral lines simultaneously; built-in indicator light keeps operation clear and safe.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-In Interface:\u003c\/strong\u003e Simply insert the bulb into the correct socket and flip the switch — no complex wiring required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Clamp Terminals:\u003c\/strong\u003e Connect capless lamps such as ceiling lights, downlights, spotlights, floodlights, and ventilating fans for flexible testing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort-Circuit Overload Protection:\u003c\/strong\u003e Built-in 5×20mm 3A fuse protects both the tester and the lamp under test in the event of a sudden short circuit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Alarm Function:\u003c\/strong\u003e Audible alert triggers automatically when a lamp's readings fall outside the standard acceptable range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Power Range:\u003c\/strong\u003e Handles loads from 0–600W, suitable for drive power tests, lamp bead tests, and lamp board tests.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built from engineering-grade new-material plastic combined with phosphor bronze contacts for long-lasting performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eE27 \/ B22 \/ E14 \/ GU10 \/ G4–G9\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–600W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeter Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLevel 2 (±0.2%)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5×20mm 3A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e142 × 82 × 27 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEngineering plastic + phosphor bronze\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Required\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × LED Multi-Interface Lamp Tester\u003c\/li\u003e\n  \u003cli\u003e1 × EU\/US Plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Find Useful\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicone Grease Lubricant for O-Rings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-multi-use-faucet-bubbler-wrenches-6-sizes-sink-wrenches-detach-tool-for-kitchen-bathroom-faucet-parts-repair-spanner\"\u003e1PC Multi-Use Faucet Bubbler Wrenches — 6-Size Repair Spanner\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set — Multi-Functional Caulking Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which bulb base types does this LED light bulb tester support?\u003c\/h4\u003e\n\u003cp\u003eA: This multi-interface lamp tester supports E27, B22, E14, GU10, G4, and G9 bulb bases, covering the most common LED lamp formats used in residential and commercial lighting.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I test lamps that don't have a standard cap or base?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The dual clamp terminals allow you to connect directly to capless lamps such as ceiling lights, downlights, spotlights, floodlights, and ventilating fans, making this tester highly versatile.\u003c\/p\u003e\n\u003ch4\u003eQ: What measurements does this tester display?\u003c\/h4\u003e\n\u003cp\u003eA: The tester simultaneously measures voltage, current, power (watts), and power factor, giving you a complete picture of any LED lamp's electrical performance in a single test.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the tester safe to use if a lamp short-circuits during testing?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. A built-in 5×20mm 3A fuse provides short-circuit and overload protection, automatically cutting the circuit to protect both the tester unit and the lamp under test.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which bulb base types does this LED light bulb tester support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This multi-interface lamp tester supports E27, B22, E14, GU10, G4, and G9 bulb bases, covering the most common LED lamp formats used in residential and commercial lighting.\"}}, {\"@type\": \"Question\", \"name\": \"Can I test lamps that don't have a standard cap or base?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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