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Home  >>  Products  >>  Lab Apparatus  >>  Maxima ML-3500 Series

Maxima™ ML-3500 Series UV-A Lamps

Ultra-High Intensity UV-A Lamps - Feature state-of-the-art Micro Discharge Light (MDL) technology with user-friendly design!


The ML-3500S spot configuration produces a steady-state UV-A intensity of 50,000 µW/cm2 at 15" (38cm) - up to 10 times the output of conventional High Intensity Discharge (HID) inspection lamps.

Ideal for fluorescent leak detection and for applications where very high output UV is required.

Maximalâ„¢ ML-3500 Series
Maxima Shown with Ballast

  • Contains 97% less mercury than found in "HID" bulbs
  • Produce up to 10 times the UV-A output of conventional HID inspection lamps
  • ML-3500S spot configuration works even in direct sunlight, and has a steady-state intensity of 50,000 µW/cm2 at 15”
  • Environmentally friendly
  • Virtually no emission of harmful UV-B at 15”
  • Instant on
  • Very low visible light emission of under 2 foot-candles (20 lux) to ensure compliance with military and aerospace industry specifications (ML-3500FL version)




Effective outdoors, even in sunlight
The ultra-high UV intensity of the MAXIMA ML-3500S lamp exposes the smallest defects, cracks, flaws and leaks that previously evaded detection until they become major problems. As a result, inspections are more comprehensive and accurate.
Integral bulb/reflector assembly
When replacing the bulb or filter in competitor's lamps, exposed wiring can be a serious shock hazard due to residual current. To eliminate this risk, the Maxima ML-3500 series lamps’ bulb/reflector assembly is designed as a single integral unit with "unexposed" circuitry. The unique design also makes bulb replacement easy (a new bulb/reflector assembly can be installed with just a 1/4 turn). This helps maintain the original output level by providing the benefit of a new reflector whenever the bulb is replaced.
Prefocused bulb
The bulb/reflector used in the MAXIMA ML-3500 series lamps is prefocused at the factory to ensure peak performance. This prevents the loss of output power that may occur due to incorrect, off-center bulb installation during bulb replacement.
Unique diffusing filter available
Due to the ultra-high UV-A intensity of the Maxima ML-3500 series lamps, UV fade of fluorescent penetrants will occur within the "hot spot" of the ML-3500S focused beam configuration after prolonged exposure. The 2F350 diffusing filter, which comes with the HL-Series Lamps, will effectively diffuse the hot spot over a broader area and will significantly lengthen the time before UV fade occurs.
Resistant to magnetic field
Interference from magnetic fields can shut off conventional HID lamps, causing frustrating warm-up delays before restart. The Maxima ML-3500 series lamps are not affected by magnetic fields and thus offers the advantage of continuous, uninterrupted inspection process.
Safe handling
The Maxima ML-3500 series lamps never get hot. A special engineering polymer is used to make the lamp's housing and the contoured handle. In addition, the handle is positioned away from the housing. This allows the entire lamp to remain cool during use to protect against accidental burn injury.
Instant on/ off/ restrike
The Maxima ML-3500 series lamps’ solid-sate ballast offers “instant on” capability. This eliminates the warm up and cool off waiting time (up to 5 minutes) of conventional HID lamps. The ballast also protects against voltage fluctuations that can affect the lamp’s performance.
Super rugged and shock resistant
The lamp head and housing are constructed of a tough engineering polymer to protect against dents, cracks, and scratches. To reduce shock hazard, MAXIMA ML-3500 series lamps come equipped with a 5-wire secondary cord and fully enclosed ballast.
Lightweight, portable, ergonomic design
The lamp head measures only 7-1/2” (19 cm) long and weighs just 2-1/2 lbs (1.1kg). The power cord exits directly from the bottom of the contoured pistol-grip handle, resulting in better balance. An on/off switch is conveniently positioned on the handle. The primary and secondary cords are both 8-feet (2.5 m) long.


Technical Data

Technical Data
Steady-state UV-A Intensity: ML 3500S 50,000 µW/cm² at 15" (38cm)
ML 3500C - for curing 80,000 µW/cm² at 6" (15 CM)
Total Weight:
6.1 lbs (2.8 kg)
Lamp Head:
2.5 lbs (1.1 kg)
3.6 lbs (1.6 kg)
Cord Length:
8 ft (2.4 m) primary, 8 ft secondary
Ballast Type:
solid state
Bulb Type:
micro discharge light (MDL)
Average Rated Life of Bulb: 2,000 hours



Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices
AC Models
UV-082501 ML-3500S 120V AC Lamp w/ BLE-35RA spot bulb/reflector assembly & 2F958 regular filter $2,308.00
UV-0822 ML- 3500C, 120 V AC 35W, MDL Spot Bulb reflector assembly, 2F100C filter, UVS-40 fluorescence-enhancing yellow spectacles, 8 foot lamp cord and 8 foot power cord 2,270.00


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