LEDKE 0 comments Support July 10, 2026 16 Sep 2010 LED light Normal temperature, pressure and impact test Normal temperature, pressure and impact test: Test objects: LED lamps (lamps with LED Driver, finished products). Test method:... Continue reading
LEDKE 0 comments Support July 10, 2026 05 Sep 2010 LED lights Low pressure, temperature and impact test Low pressure, temperature and impact test Test objects: LED lamps (lamps with LED Driver, finished products). Test method: 1)... Continue reading
LEDKE 0 comments Support July 10, 2026 10 Aug 2010 LED lamp high temperature, pressure and impact testing Test objects: LED lamps (lamps with LED Driver, finished products). Test method: 1) Put 5pcs LED lamps in a oven with temperat... Continue reading
LEDKE 0 comments Support July 10, 2026 06 Aug 2010 Difference between LED light to fluorescent, Sodium, and metal halide lamp In present, the greenhouse artificial light sources mainly are fluorescent lamps, high pressure sodium, low pressure sodium, metal... Continue reading
LEDKE 0 comments Support July 10, 2026 29 Jun 2009 What is wavelength ? In physics wavelength is the distance between repeating units of a propagating wave of a given frequency. It is commonly designate... Continue reading
LEDKE 0 comments Support July 10, 2026 25 Jun 2009 What is Luminous Flux ? Luminous Flux (Φv) is energy per unit time (dQ/dt) that is radiated from a source over visible wavelengths. More specifically, it ... Continue reading
LEDKE 0 comments Support July 10, 2026 22 Jun 2009 What is Luminance ? Luminance a measure (in candelas per square metre) of the brightness of a point on a surface that is radiating or reflecting light... Continue reading
LEDKE 0 comments Support July 10, 2026 20 Jun 2009 What is Luminous efficacy ? Luminous efficacy is a property of light sources, which indicates what portion of the emitted electromagnetic radiation is usable ... Continue reading
LEDKE 0 comments Support July 10, 2026 18 Jun 2009 What is Luminous intensity ? Luminous intensity is the radiating power of a source of light in a particular direction, weighted with the spectral sensitivity o... Continue reading
LEDKE 0 comments Support July 10, 2026 16 Jun 2009 What is lumen (lm) ? The lumen (symbol: lm) is the standard unit for the luminous flux of a light source. It is an SI derived unit based on the candela... Continue reading