UV Measurement Device – uvKey

The uvKey™ UV Intensity Meter is a UV meter designed for germicidal applications, with a response at 254 nm and a dynamic range optimized for UVC processing for hospital rooms and other disinfection applications.

It provides accurate digital display tracking of NIST-calibrated dosage (mJ/cm²).

Specifications Description
Operating Range 10 mW/cm²
Resolution / Display Threshold 1 µW/cm² / 15 µW/cm² (approx.)
Energy Value Displayed Values < 1 Joule (0.001-999.9 mJ/cm²) displayed in mJ/cm², values ≥ 1 Joule (1.000-999.9 J/cm²) displayed in J/cm²
Spectral Response Minimum 245-265 nm, with spectral blocking outside the range. Optical Density (OD) > 4 average
Spatial Response Lambertian (Cosine)
Accuracy Typically ± 5% or better; ± 10% of reading plus ± 0.2% full scale
Repeatability Typically better than 0.5%; Maximum <1%
Calibration Calibrated on low-pressure mercury source, NIST Traceable
Sampling Rate 1 Hz (One reading per second)
Display Interface Single button operation, 4-digit LCD screen for energy (mJ or J/cm²), dynamic decimal point
Operating Time / Lifetime 6 months from user initialization / 1 month
Calibration Time 6 months (recommended) or 500 Joules/cm² (maximum)
Temperature Range Operating: +10°C – +50°C / Storage: -30°C – +70°C
Size / Weight Unit size: 2.0” x 1.5” x 0.5” (50.8 x 38.1 x 12.7 mm) / 0.7 oz (19.8 grams)
Battery / Material / Electronics Non-rechargeable Lithium Manganese Dioxide Polymer / Thermoplastic plastic
Electronics / Environment IP67 sealed enclosure / RoHS3 compliant

 

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