Temperature – Thermal investigations

Temperature Security is important, durability is a creed The components  can feel hot. This article is intended to show that there is no risk of fire and that all components such as LED panels or…

Drehandel and hortiONE start first distribution-partnership

Austrian manufacturer cooperates with German wholesaler for Distribution. hortiONE GmbH (AT) develops and produces LED grow boards with a focus on innovation and quality. The products, hortiONE 368 and hortiONE 592 are new quantum board-like…

McCree – photosynthetic active radiation

McCree – Action Spectrum Author links open overlay panelK. J. McCree Institute of Life Science and Biology Department, Texas A and M University, College Station, Texas U.S.A. Spectral quantum yields The aim of these measurements…

Lighting terminology Part 1 – PAR, PPF & PPFD

Plant VS Human lighting terminology Important lighting termininology, terms and units Light for Plants Light for Humans PAR Photosynthetic Active Radiation Radation between 400 and 700 nm (nanometer) of the solar spectrum can be used…

Daily Light Integral – DLI – [mol/m²d]

Daily Light Integral Daily light integral (DLI) describes the number of photosynthetically active photons (individual particles of light in the 400-700 nm range, PAR) that are delivered to a specific area over a 24-hour period. This variable…