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Review selection, delivery, GST and support information before completing the purchase.
Product Description
20W 365nm Black Filter UV Torch for Industrial Fluorescence Inspection
This handheld 20W 365nm UV-A torch with black filter is intended for industrial fluorescence inspection and close-range UV-reactive checking tasks.
Application suitability depends on the target material, fluorescent tracer, dye, contamination or process being inspected.
Product specifications
| Wavelength | 365nm |
| Power | 20W |
| Filter type | Black filter |
| Power requirement | 12V DC |
| Battery | 18650 1200mAh cell |
| Runtime guidance | 5000mAh battery: about 2 hours; 2200mAh battery: about 1 hour |
| Charging | USB charged |
| Working distance | 5 feet |
| Beam angle | 120 degree |
| Dimensions | 150mm / 5.9in length x 44mm / 1.7in diameter x 32mm / 1.26in head |
| Weight | 0.3kg |
| Cable length | 10cm |
| Form factor | Handheld |
| Included accessories | 18650 1200mAh cell and USB-C charging cable |
| Warranty | Not applicable |
| Brand | RDR |
Imported by: GYL Technovations
Address: 35- himson mill campus ,
Near umiyadham circle, A K. Road, varachha, surat 395008
Gujarat,India
Product Specifications
| Product type | Handheld UV-A inspection torch |
| Application | Industrial fluorescence inspection |
| Wavelength | 365nm |
| Power | 20W |
| UV filter | Black filter |
| Power requirement | 12V DC |
| Battery | 18650 1200mAh cell |
| Runtime guidance | 5000mAh battery: about 2 hours; 2200mAh battery: about 1 hour |
| Charging | USB charged |
| Working distance | 5 feet |
| Beam angle | 120 degree |
| Dimensions | 150mm / 5.9in length x 44mm / 1.7in diameter x 32mm / 1.26in head |
| Weight | 0.3kg |
| Cable length | 10cm |
| Included accessories | 18650 1200mAh cell and USB-C charging cable |
| Warranty | Not applicable |
| Brand | RDR |
Questions buyers ask before ordering
Frequently Asked Questions
Open a question to see the answer.
This torch is intended for industrial fluorescence inspection of compatible dyes, tracers, markings, residues or UV-reactive materials.
No. Fluorescence depends on the material, tracer, dye, contamination or process being inspected.
No. Where a standard or procedure requires measured irradiance or calibrated inspection conditions, use the specified calibrated equipment and documented process.
Reduced visible ambient light generally improves fluorescence contrast and makes weak responses easier to see.
Avoid direct eye exposure, do not stare into the light, limit unnecessary skin exposure, keep the product away from children and use suitable protective practices for the application.
Selection confidence
Confirm this is the right UV product before you buy
Use this product where fluorescence contrast matters, such as inspection, stain checking, leak dye or material fluorescence tasks.
Industrial fluorescence inspection
365nm black-filter products are chosen for higher-contrast fluorescence and inspection tasks.
Not for blacklight ambience or 405nm curing workflows.
Verified product information
Specifications that matter for this application
UV buyers need wavelength, geometry, power source, runtime or curing/inspection conditions—not just headline wattage.
Wavelength365nm
Filter / light typeBlack filter
Buyer guide
How to choose and use this product correctly
Use the application, wavelength, distance and power source together. Do not select a UV product on wattage alone.
Start with the application
Pick UV by job: inspection, glow/decor, curing, exposure work or compact lighting. Wattage alone is not a reliable buying shortcut.
Confirm wavelength
365nm, 395nm and 405nm serve different tasks. The product title, specs and use-case copy must agree.
Check distance and coverage
For curing and inspection, working distance matters. For floodlights and decor, coverage and mounting distance matter.
Match the power source
Handheld torches suit mobile checks. Floodlights, bulbs and strips are better for fixed areas, rooms, displays and workbenches.