What is lamp life in projector?
Just like any light bulb, projector bulbs have an expected operating time, called lamp life. This value is expressed in hours and represents the number of hours before the lamp is at half its original brightness.
How do I know if my projector lamp needs replacing?
Once the lamp light is at about half its original luminescence, it’s time to replace it. You can continue to use the bulb until complete failure, but doing so impacts image quality. Check how many useful hours your lamp has left in the menu options of the projector.
What does a projector lamp do?
The projector lamp is the most essential part of your projector, because it creates the light that shines through the DLP or LCD system and makes the vivid images your projector displays.
What happens if you don’t replace projector lamp?
The risk is your current lamp will explode possibly damaging the projector with broken shards in the blowers, fans, colorwheel, optics. You will have to reset the timer when you replace the current lamp with the new lamp.
How do you read projector lamp hours?
Checking Lamp Life
Give the projector a few seconds to warm up. Press your projector’s “Menu” to launch the on-screen menu. Navigate to the “Setup” or “Options” heading. Navigate through the menu and select “Lamp Life” or “Lamp Hours” to view a summary of the hours left on your bulb or the hours it has been on.
How long can I leave my projector on?
You can leave your Projector on 24/7 if you want to. As long as the projector is operating under normal operating conditions (clean, relatively dust-free environment, and there is sufficient ventilation around projector) the lamp will have the greatest likelihood of lasting through its entire rated lamp life.
Why are projector lamps so expensive?
The amount of mercury in the bulb must be carefully measured to maintain the optimal pressure when it’s at full operating capacity. The complexity of High Pressure Mercury Vapor lamps, and the toxicity of the mercury used to produce them, make them expensive to produce.
How much does a projector lamp cost?
Though some lamps are now below $300, most are in the $350 to $400 range and will continue to be for the foreseeable future. Therefore more and more consumers buying entry level projectors are shocked to discover that replacement lamps can cost as much as half of the projector’s original price.
Why do projector bulbs burn out?
Bulb explosions are often caused by projector defects and this is especially the case if the lamp’s ballast fails. Due to a projector defect, the ballast may supply the lamp with an incorrect voltage, fail to switch off the power supply or prevent the bulb from overheating.