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Market supervision bureau of jiangsu province issued LED, speaking, reading and writing desk lamp product buying advice

by:CHZ     2020-05-28

in the second quarter of 2019, commissioned by market supervision bureau of jiangsu province changzhou examination standard certification institute, suzhou city product quality supervision and inspection institute and nanjing product quality supervision and inspection institute to read and write the LED desk lamp product quality supervision and spot checks. Selectived examination product batch, 53 qualified 38 batch, percent of pass is 71. 7%.

the spot check, according to the results of unqualified project for structure, exterior wiring and internal wiring, heat resistant, fireproof and resistance to the mark, power terminal disturbance voltage, and the intensity of illumination and the intensity of illumination evenness five indicators. See appearance. Check the product appearance whether there is any breakage, if there's any loose for the power cord is fixed, lamps and lanterns of the base is solid, lamps and lanterns in 6 ° Angle of inclined plane should not slip or fall. The shiny surface. Shiny surface is circular or wider in the shape of a product, intensity of illumination distribution is more uniform. In use process, height is in normal position of lamps and lanterns, while smooth for optimal arose, the stream. Leds, speaking, reading and writing desk lamp illumination is higher than traditional lamps and lanterns, especially at the center of the shiny surface, suggest working distance from the center of a shiny surface in 20 to 30 centimeters advisable.

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