What Is A Projector Lamp Ballast

Over time a fault develops in the ballast where it cannot properly hold the current once the mercury vapor in the lamp has ignited after a high voltage strike.

What is a projector lamp ballast.

Projector bulbs function by igniting ultra high. There can be two reasons for lamp replacement. With 60 days replacement guarantee. Projector lamp clinic is an importer and national distributor of 26 brands of projector lamps and spare parts like lamps main board color wheel dmd chip lamp ballast power supply prism glass polorizer glass lcd panel focus lens dmd pcb etc.

As the lamp ages with use increasing levels of stress are placed on the ballast lamp driver every time the projector is turned on. A familiar and widely used example is the inductive ballast used in fluorescent lamps to limit the current through the tube which would otherwise rise to a destructive level due to the negative differential resistance of the tube s voltage current characteristic. Ballast factor bf the ratio of the light output of a fluorescent lamp or lamps operated on a ballast to the light output of the lamp s operated on a standard reference ballast. Projector lamps cannot be tested with an amp or ohm meter.

Let s assume that you own a projector that says that its lamp is to be replaced. They are also one of the charter products of the nema premium ballast program. A wide variety of projector lamp ballast options are available to you such as active without. Projector problem 5 projector on but no image if you can get your projector to turn on but then get no image make sure that the cables that you are connecting with are connected correctly.

Dell 1210s projector lamp ballast guarantee 60 days replacement. 1 the lamp really doesn t work because the electrodes are damaged or there was a leak and the gas inside the lamp has mixed with air or the lamp has blown. If this is all ok then it most likely you have a problem with your lamp ballast unit or the lamp itself. These are the real reasons and of course one has to put some light source instead of the one that got damaged.

Once the lamp is lit and the circuit has been established the ballast shifts the electrical current to a running voltage. Many manufacturers share common components which means purchasing lamps for your sanyo projector from eiki is a totally acceptable practice as sanyo is no longer in the projector business. Ballast a device required by electric discharge light sources such as fluorescent or hid lamps to regulate voltage and current supplied to the lamp during start and throughout operation. An electrical ballast is a device placed in series with a load to limit the amount of current in an electrical circuit.

However the projector does have an achilles heel.