Vilber radiometers record the intensity of ultraviolet radiation for a specific UV wavelength (long wave, short wave, medium wave). The intensity of UV radiation refers to the UV intensity and is measured in mW/cm2. The VLX-3W radiometer indicates the amount of UV energy on a surface for a specific time. The data is defined in mJ/cm2 (milli-Joule per square centimeter). Small and convenient, the VLX-3W radiometer is of modular construction with a choice of three sensors to record UV radiation in the spectral range from 254nm to 365nm. With a wide measuring range from 0.1 to 250 mW/cm2, our radiometers instantly indicate readings on a large LCD display.

Depending on the spectral range to be measured, a suitable sensor is attached to the VLX-3W base unit:

• Silicon photocell for direct measurement of UV radiation. No conversion to visible light is required.
• Interference filter to select the appropriate UV band and eliminate other unwanted radiation.
• Not sensitive to infrared.
• No electronic components in the sensor to avoid any temperature disparity.
• Protection by quartz disc on cellular filter
• Carbon shielded cable (1 meter)
• Microprocessor controlled
• Designed to operate at 254 nm, 312 nm or 365 nm
• Independent sensor (purchased separately) for each wavelength