Request InfoGigahertz-Optik Inc.The X1-1-UV-3727 handheld radiometer from Gigahertz Optik provides a real-time display of irradiance or dose and includes a peak-hold function. The device may also be operated via its USB interface with optional S-X1 software. The UV-3727 detector can measure 222-nm excimer lamps, which are used in germicidal applications. Additionally, it enables the measurement of other UV-C germicidal source types including low-pressure mercury lamps and UV LEDs. The UV-3727 detector incorporates a photodiode that has extended deep-UV responsivity. 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