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The Seedburo UV meter is useful for determining UV (ultra violet) rays, particularly the UV filtering capacity of transparent plastic and glass barriers used below electric lamps. Plants use some types of radiation more than others. Certain wave lengths can be detrimental to development. The 280 to 315 nanometer (nm) range has crop-specific response on growth and physiologic processes. This range includes harmful UV light (UVB) which affects plant color. Sensor response to the UVB range is less than the UVA range of 320 to 400 nm which begins the process of chlorophyll absorption, influences photoperiodism and inhibits cell elongation. Meter features a digital LCD display and is powered by a 9V battery (included). Net wt.8 oz. Ship wt 1 lb. Ship Dims 8" L x 6" W x 4" H.

Range: 0 to full sunlight
Measurement range: 250 to 400nm (in units umol m -2 s -1 )
Temperature response: 32°F to 122°F (0°C to 50°C)

Seedburo UV Meter ................................................................................ No. 3414