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EJV projector lamps for overhead projection, machines or viewing equipment readers with 150 watts and 21 volts.

It's a wide world of projection equipment and not only do projection lamps have use in projectors for presentation, but they also have some application for industrial machines or viewers.  One of the most common for many different brands of projection equipment and inspection viewing is the EJV projector lamps.  Although the needs of computer based presentation has increased recently, there are still many applications of overhead projectors in use everyday.  The need for simple visual communication with a manual pen will still be needed far into the future.  There are a wide variety projectors which use the EJV lamp, and they all have the same exact function.  The main purpose for a bulb like this is the light it puts on a screen, how well it fills out the viewing area or screen space.  The brightness, as most people call it, needs to be enough to gain good contrasts of objects, writing or overhead transparencies.

All of the EJV projector lamps regardless of the brand, have the same shape, and sometimes the exact same shape of another lamp which might have a different voltage or wattage.  That's one of the reasons they're not interchangeable.  The EJV projector lamps are part of the variety of lamps which are 150 watts and 21 volt, like it's similar cousin, the EKE bulb.  Something to remember is because these have a high light output, that usually means they have a much shorter life.  The life is shorter, the rating is only 100 hours, so it's good to turn off the lamp when it's not in use.  Every instance of time you don't have it on means the lamp will last longer in the projection equipment you have.  Another caution is that these bulbs should not be touched with your skin. The skin oils can react with the glass and there can be some reactions which will shorten the lamp life. If they are touched, you might see a bubbling of the glass over time, but it's not instantaneous. If you do touch it, simply wipe it thoroughly with a soft cloth.

When replacing these, please note that they are identified by a 3 letter code on the bulb itself.  You'll see it somewhere on the back or the top if it's more like a bulb as opposed to a reflector type lamp.  Sometimes you'll see the code as EJV as described here or ENX, FXL, DAY, DYS, EVD, ELH or something similar to that, you get the basic idea.  The ANSI 3 letter code identifies that bulb as to the shape, wattage, voltage and any other standard information.  Unlike other types of bulbs, these have some standards across various manufacturers, the only thing that varies is quality.  We have two of the best manufacturers of all types which are Sylvania and Eiko.

In summary, EJV lamps are used specifically for the machine or overhead projector they are made to operate with.  Of course, you will need projectors that will have the correct voltage for the projector bulbs.  Whatever type of projection lamp you have, you can get what you need while getting the best quality possible from manufacturers we know and trust.  We have a large inventory of projector bulbs for nearly every type of lighting application in the field.  If you need help identifying a bulb, our customer service representatives can help you determine what you have.

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