UV Meter

Ushio has developed various UV meters, called Unimeters, based on our experience and expertise as a manufacturer of optical equipment. These compact handheld optical measuring instruments are genuinely easy-to-use. UV meters are used to manage the intensity of a range of instruments, including irradiation systems, as well as UV curing, cleansing and sterilizing systems. Currently there are four different modules available.

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UV Meter

Easy-to-use

Four different modules available

Expertise as a manufacturer of optical equipment

UIT-201 Digital UV Intensity Meter

UIT-201 Digital UV Intensity Meter

  • Photodetector replacement allows measurements in two wavelength regions (centered on 365 nm and 405 nm)
  • Power is supplied by battery or external power source
  • Extension cable available (main unit to detector: standard option 2m)

UIT-250 / UIT 250A Accumulated UV Meter

UIT-250 / UIT 250A Accumulated UV Meter

  • Photodetector replacement allows measurements in five wavelength regions (centered on 172, 254, 313, 365 and 405 nm), as well as temperature measurement
  • Power is supplied by battery or external power source (the latter is only available for the UIT-250A)
  • Extension cable is available (main unit to detector: 2, 5, 10, 15, 20 m)
  • Allows for measurement of irradiance, peak irradiance, accumulated light amount, irradiance distribution, spot-light irradiance, and temperature distribution
  • Built-in memory allows measurement of irradiance distribution for up to 4 minutes
  • Enabling and disabling the auto power-off function
  • PC serial communication function

UIT-700  Accumulated UV Meter

UIT-700 Accumulated UV Meter

  • Photodetector replacement allows measurements in six wavelength regions (centered on 222, 254, 131, 365 and 405 nm, and LED on 385 - 450 nm)
  • Power is supplied by battery (charging battery / USB bus power)
  • Incorporated touch panel interface
  • Utilizes a secondary battery
  • Offers inter-instrument error correction
  • Measurement data can be stored in internal memory and display on the UIT-700
  • Data can be transferered to and accessed from a PC
  • UVDD-SLED facilitates measurements across multiple LED wavelength ranges

UIT-2400 Far UV-C Meter

UIT-2400 Far UV-C Meter

Created as an analytical tool to monitor exposure from Ushio’s Care222® filtered far UV-C disinfection module. It’s smart software automatically sets the averaging, while rapidly measuring over 8 decades of light intensities. This allows customers to capture a peak as brief as 100 microseconds (µs) and to store up to 16 readings per second. The brilliant colour display functions in both landscape and portrait mode for ease-of-use in any situation.

  • Designed to monitor the 222 nm UV emission intensity of Ushio’s Care222® UV disinfection modules
  • 8 decade dynamic range for optical analysis
  • Meter & sensors with NIST traceable ISO-17025 accredited calibration
  • Solar-blind detector (not sensitive to visible light)
  • Handheld, compact, ergonomic design
  • 90° screen rotation for landscape and portrait viewing
  • Brilliant 10.9 cm touchscreen display
  • Auto-ranging with smart averaging
  • Built-in rechargeable battery lasts up to 8 hours
  • Measurement speeds up to 100 μs

Ushio’s latest brochures and product catalogues can be found on our downloads page. For more information on Ushio’s products, or if you are ready to make a formal enquiry, please fill in the form on our contact page.

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