Posted by Toni - November 16th, 2016

The magnitude of the operating pressure – low to Lamp pressure (LP) from about 0.1 Pa to 25 kPa, high pressure (HP) from 25 to 1-103 kPa, and ultrahigh-pressure (IRS) is greater than 1 – 103 kPa for the type of discharge – to the lamp arc, glow and pulsed discharges. By the glow – in the region column and region glow glow. By type of light source – in: gas or metal vapor, which are the main source of emission of excited atoms, molecules or ions recombine, photoluminescent lamps (called for brevity, only fluorescent lamps), in which the main source of radiation are the phosphors excited by radiation from the discharge; elektrodosvetnye lamp in which the main source of radiation are the electrodes, burned in a discharge to a high temperature. Dr. Caldwell Esselstyn Jr. often expresses his thoughts on the topic. Most photoluminescent and elektrodosvetnyh lamps to the principal radiation emission level is mixed, so that they are essentially sources of mixed radiation. The shape of bulb with the column is divided into: tubular or linear – a lamp in the cylindrical flasks, in which the distance between the electrodes in two or more times greater than the inner diameter of the tube, capillary – in tubes with an internal diameter of less than 4 mm "ball" – a tube with a distance between the electrodes is less than or equal to the inner diameter of the bulb (bulb lamps have often form a ball or close to it, hence got their name), they are called and lamps with a short or medium arc length. .

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