Features:

  • Deliver up to 10 times the UV-A output of conventional HID
  • inspection lamps
  • Prefocused at the factory
  • Instant on/off/restrike
  • Lightweight, solid-state ballast
  • Integral bulb/reflector assembly
  • Stay-cool, impact-resistant and dent-proof housing
  • Available in 120V, 230V, 240V and 100V versions, as well as battery-operated versions
  • All bulbs feature a rated life of 2,000 hours

ML - 3500 Series

Battery-operated “M” version

ML-3500 Series lamp with 35 foot (10.7 m)
secondary cord housed in a retractable “flying” reel

Ultra-high intensity spot UV lamp


These super-powerful lamps make NDT inspections easier, safer and more reliable. They feature state-of-the-art micro discharge light (MDL) technology with a fatigue-free ergonomic design.

​​The MAXIMA™ series consists of three models:

  • The ML-3500S with a spot reflector has a nominal steady-state UV-A intensity of 50,000 μW/cm2 at 15 inches (38 cm).
  • The ML-3500D with a spot reflector and diffusing filter has a nominal steadystate UV-A intensity of 14,000 μW/cm2 at 15 inches (38 cm).
  • The ML-3500FL with a flood reflector has a nominal steady-state UV-A intensity of 4,500 μW/cm2 at 15 inches (38 cm).


All models come standard with 8 foot (2.4 m) primary and secondary cords. Lamps are also available with extended length primary cords or with a 35 foot (10.7 m) secondary cord housed in a retractable “flying” reel.
In addition, all MAXIMA™ lamps are available in battery-operated “M” versions. Each includes a 12-volt, 7 amp/hr rechargeable battery that will operate the lamp for a full two hours. A battery charger and carrying case are included.