A mercury-vapor lamp is a gas-discharge lamp that uses an electric arc through vaporized mercury to produce light. (Superseding IS : 2183 and IS: 7023), Advanced embedding details, examples, and help, Terms of Service (last updated 12/31/2014). This results in these lamps creating a nearly monochromatic yellow light. stream ���+^���%iޜ=����p��ɷ ����\U�]�o�ī /��@ldކ�mL����h[�]@�6�*�3��&��v췕�◗H�m The heat generated by the arc then vaporizes the mercury and sodium. of mercury. In the mercury lamp, light is produced by the passage of an electric current through a gas or vapor under pressure instead of through a tungsten wire as in the incandescent lamp. Mercury Vapour Lamps - Dealing With Breakages Some items of laboratory equipment contain mercury vapour lamps to generate UV light. New high power amalgam lamps are significantly more powerful than low pressure lamps. Mercury vapor lamps are more (For more information: There are no reviews yet. Mercury vapor lamps have found the greatest use in industrial applications and outdoor lighting, because of their low cost and long life, and lamp sizes of up to 1,000 watts. In: Elenbaas W. (eds) High Pressure Mercury Vapour Lamps and Their Applications. Most frequently terms . Lamp Construction. Since the light emitted by a mercury-vapor light has a blue tone, this needs to be accounted for, or color- corrected as it is called. Sheet#: TDThe mercury vapor lamp is a high intensity discharge lamp. Save for later . 1906 - Higher pressure mercury vapor light in a fuzed quartz tube is developed Kuch & Retschinsky (Siemens, Munich) 1936 - The modern high-pressure mercury vapor lamp is developed, type MB H��Wˎ%� ����tLY�[[�vH�4�E��3i���n$=c��H|�R���@���H���������q�,�()�>)�3(y{��������o���psg�чn�x���~w ��1Ǜ9��$� '�q�H����ǟ^? For some lamps these data sheets are contained in this standard. High Pressure Sodium lamp warning. Lumen Rating SYLVANIA High Pressure Sodium lamps, with the excep-tion of LUMALUX® Super and SOX lamps, are based on burn-ing cycles of at least 10 hours per start and ballasts which meet ANSI standards. This test is used to determine if an item can be managed as hazardous or non-hazardous waste. Figure 1 - A Typical High Pressure Mercury Lamp. Mercury Vapor lamps come in a variety of wattages ranging from 40-750 W, and have ... 2.2 High Pressure Sodium (HPS) High Pressure Sodium lamps have an efficacy of 90-140 Lumens Per Watt, very long lamp life at 10,000 - 40,000 hours and a short warm up time of 3-4 minutes. When the lamp is cold (i.e. �JF�T\E�� ��� Cite this chapter as: Elenbaas W. (1965) The High Pressure Mercury Vapour Discharge. It uses an arc through vaporized mercury in a high pressure tube to create very bright light directly from it's own arc. High Intensity Discharge Lamps. at room temperature) metallic droplets of mercury can be seen in the lamp … lamps with lamp ratings from 50 to 2000W play an important role in outdoor lighting. %PDF-1.2 Most modern mercury vapor lamps have this rectification done in them. )�2��1c��(�/�!�"�+���G�E�&$6�f�\$;Rj����d�������E"�+b5��v\�XB�����,��RZ�����W��-$� *X�&hv�\��ä��6�|Z�U�^��M��0?L������e���G�t2eA��an��(�&��T��{�c�����+����ܽHp�!�� S��O�qo��n&\��}�犛NF.������_;R�~A���6R��=���8�6[|Y)c(˔Ȋ*��+�aPD����A�m/�.沆��Є�Ӗ��s�z70;J}� This is different from fluorescents which use the mercury vapor arc to create a weaker light that mainly creates UV light to excite the phosphors. Among the light sources in use for general lighting, high pressure mercury vapour (h.p.m.v.) ����f��ٛiE�{ /_6e��� The spectral output of LPS lamps is incredibly focused at two wavelengths 589 nm and 589.6 nm. If a lamp breaks, ventilate the room for 30 minutes and remove the parts, preferably with gloves. In 1959, the development of polycrystalline alumina (PCA) opened a new path to introduce the high-pressure sodium vapor Lamp, as this material is very rarely affected by high pressure and temperature sodium vapor. High Pressure Mercury Vapour Lamps and Their Applications W. Elenbaas, J. While many applications are ideal for Mercury vapor lamps, they are being challenged by the higher efficiency and better color balance of metal halide and ceramic metal halide lamps, and LED technologies. The xenon gas which is easily ionized, facilitates striking the arc when voltage is applied across the electrodes. For use with control gear designed for high-pressure mercury lamps A lamp breaking is extremely unlikely to have any impact on your health. on September 12, 2013. HPL High Pressure Mercury. This was a tubular source about 4 feet long which ��}��f��{���"�.�-��λ�vX���-f$ They feature excellent lumen maintenance and quick re-strike times. HPL-N 400W E39/41 HG.SLV/6. v׽c�e��z(.X׋����UN�h���h�]-�7��b� ���b����s��ɭc�Ȩ�d ��]��5�Y�� LUMALUX Super and SOX lamp ratings are based on measure-ments at constant input voltage. In a high pressure sodium lamp, a compact arc tube contains a mixture of xenon, sodium and mercury. >> The arc discharge is generally confined to a small fused quartz arc tube mounted within a larger borosilicate glass bulb. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. %���� MB High Pressure Mercury Vapour Lamp Tech. Some bulbs also briefly produce a pure to bluish white light in between if the mercury achieves its high pressure arc discharge characteristic before the sodium is completely warmed. 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