Different Types Of Lamps Ppt

Ppt on types of lamps.

Different types of lamps ppt.

Here we will examine each type of type of table lamp with examples in varying styles. Types of lamps suhail tp mes collage of engineering. 3 arc lamps filament lamps or incandescent lamps gaseous discharge lamps. Some of them only works horizontal and vertical efficiency 23 to 25 lumen watt.

Incandescent lamp hot wire filament sealed in a glass jar bulb. Light sources incandescent lamp discharge lamp florescent lamp sodium lamp high pressure mercury vapour lamp. Table lamps come in a smaller variety of sizes albeit crossing a massive range of design and stylistic shifts. 3 carbon arc lamp flame arc lamp magnetic arc lamp.

Low pressure sodium lamps only give monochromatic yellow light and so inhibit colour vision at night. Relationship between lux lumen one lux is defined as being equivalent to one lumen spread over an area of one square metre or to put it another way a measurement of lux light intensity tells you how many lumens total light output you need given the area you are trying to illuminate. The optional parts are like humidifiers uv lamps and air cleaners. Standard type lamps are the most common found anywhere.

High pressure sodium lamps have a broader spectrum of light than the low pressure but still poorer colour rendering than other types of lamps. 20 50 w 12 v 300w 500w 1000w 230 v. I carbon arc lamp e it is the earliest model and still used in cinema projectors. The table summarises efficiency and life of different lamps lamp type life efficiency light output per watt 000 hrs halogen1 15 25 2 5 t5 fluorescent tube 80 100 15 20 standard light bulbs 10 15 1 2 compact fluorescent 50 80 10 15 metal halide 70 120 10 20 led 30 70 20 100.

Arc lamp the electric lamp is made to flow through two electrodes in contact the flow creates an arc the arc maintains the current which is very efficient source of light 5. Old types of kerosen lamps. Powerpoint ppt presentation free to download.