Multi-Purpose LED Bulb Tester E27 B22 E14 GU10 G4-G9 | PFULTR

Test any LED or standard lamp quickly and accurately with the PFULTR Multi-Purpose Light Bulb Tester. Compatible with E27, B22, E14, GU10, and G4–G9 bases, this all-in-one tester measures voltage, current, power, and power factor — giving you professional-grade diagnostics in a compact, easy-to-use device. Whether you're a lighting technician, electrician, or DIY enthusiast, this tester is built to handle a wide range of bulbs and lamp assemblies with precision and safety.

Key Features

• One Device, Multiple Purposes: Dual control switch supports testing of voltage, current, power, and power factor. Compatible with B22, E14, E27 lamp types, AC loads, and cable clamp connections.
• High-Precision Measurement: Error margin within ±0.2% ensures reliable and accurate readings every time.
• Seesaw Safety Switch: Simultaneously cuts both live and neutral lines. Built-in indicator light provides clear visual status for safer operation.
• Plug-In Convenience: Simply insert your LED lamp into the correct socket and flip the switch — no complex setup required.
• Dual Clamp Connection: Connect to capless lamps including ceiling lights, downlights, spotlights, floodlights, and ventilating fans.
• Short Circuit Overload Protection: Equipped with a 5×20mm 3A fuse to protect both tester and lamp from sudden short-circuit damage.
• Automatic Alarm Function: Instantly alerts you when a defective lamp falls outside standard performance ranges.
• Wide Application Range: Suitable for drive power testing, lamp bead testing, lamp board testing, and high-voltage applications.

Specifications

Package Includes

• 1 × Multi-Interface Light Bulb Tester
• 1 × EU or US Plug (selected at checkout)

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Frequently Asked Questions

Q: What lamp socket types does this LED bulb tester support?

A: This multi-purpose light bulb tester supports E27, B22, E14, GU10, and G4–G9 socket interfaces, making it compatible with the most common lamp base types used in residential and commercial lighting.

Q: Can this tester be used on lamps without a lamp cap?

A: Yes! The dual clamp feature allows the tester to connect directly to capless lamp assemblies, including ceiling lights, downlights, spotlights, floodlights, and ventilating fans — making it ideal for testing semi-finished and finished lighting products.

Q: Is the LED bulb tester safe to use?

A: Absolutely. The tester is equipped with a seesaw safety switch that cuts both live and neutral lines simultaneously, a built-in indicator light for clear operational status, and a 5×20mm 3A fuse for short-circuit overload protection. The automatic alarm function also alerts you when a lamp is out of standard range, adding an extra layer of safety.

Q: What does the alarm function do on this light bulb tester?

A: The built-in alarm function automatically triggers when a tested lamp's performance readings fall outside the acceptable standard range, helping you quickly identify defective or underperforming bulbs without manual calculation.

Production & Packaging Notice

To 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.