Vivitek 5811100760-S Projector Lamp for D825ES D825EX D820MS OEM Replacement

Projector brightness dropping, or an alarm prompting a lamp replacement right at startup? Most of the time it just means the lamp needs replacing—but finding the right model can be even more of a headache. This article explains once and for all which Vivitek projectors the 5811100760-S fits, and what to watch out for.

Compatible Projector Models: 3 Vivitek Projectors

The following are the verified compatible Vivitek projector models for the 5811100760-S, with models separated by commas:

D825ES, D825EX, D820MS

Note: Projectors of the same generation often share the same lamp module. For models not listed here, contact Zorsika technical support for confirmation.

Specifications at a Glance

The above specifications come from the Zorsika product database. For the complete technical datasheet, contact our sales team.

Frequently Asked Questions

Q: After replacing the lamp, the projector says the lamp is not recognized. What should I do?

A: First, check whether you have reset the lamp timer. The vast majority of these prompts are caused by the timer not being reset. If the error persists after resetting, contact Zorsika technical support—we provide the reset method and troubleshooting guidance for the corresponding model.

Q: How do I choose between original packaged, original bare, and replacement lamps?

A: If you want stable brightness and long-term reliability, the Zorsika PRO series lamp is the top choice—it matches the original specifications item by item, each unit is powered on and tested before leaving the factory, performance is on par with the original while being more worry-free overall, and it comes with a 180-day warranty. For routine business, education, and conference room use, the PRO series is also the more worry-free option overall. Other replacement lamps cost less, but the source of the arc tube and quality control vary widely, with higher risks of brightness degradation and shortened lifespan—they are only recommended for temporary backup machines.

Q: Why choose Zorsika PRO instead of the original?

A: The core logic of the Zorsika PRO series lamp is "original specifications, independent quality control": power, arc gap, and reflector size all match the original item by item, but with an extra step of individual power-on testing before leaving the factory, plus a 180-day warranty. Compared with the original, it is more worry-free overall; compared with other replacement options, quality control is more consistent.

Q: Is there an installation guide for the 5811100760-S?

A: Yes. The lamp door location and removal/installation steps are basically the same across these Vivitek models. Contact Zorsika sales for illustrated or video guides for the corresponding model.

Q: How long is the lamp warranty?

A: The Zorsika PRO series projector lamp comes with a 180-day warranty. Under normal use, non-human-caused damage (such as lamp explosion or abnormal early light decay) is covered by after-sales service; brightness degradation within the standard range is normal wear and tear and is not covered by the warranty.

Same Specifications—Why We Recommend Zorsika PRO

The Zorsika PRO series offers an original-spec replacement lamp module for the 5811100760-S, with key parameters matched to the original item by item, supporting project supply and bulk procurement with more controllable lead times.

• Spec Matching: Power, arc gap, and reflector size matched to original parameters item by item
• Individual Testing: Each unit is powered on and tested before leaving the factory, ensuring brightness and stability
• Warranty Commitment: 180-day lamp warranty; normal use with non-human-caused damage is covered by after-sales service
• Stable Supply: Supports bulk procurement and project supply

In one sentence: if you want original quality with a more worry-free overall experience, the Zorsika PRO series projector lamp is made for exactly this scenario.

Note: Performance such as brightness and lifespan is significantly affected by machine condition, usage environment, and cooling conditions. Zorsika does not make uniform numerical promises. Before bulk procurement, we recommend ordering 1-2 samples for power-on testing.

Routine Maintenance to Make Your Lamp Last Longer

• Clean dust promptly: Dust buildup on the air intake and air filter directly raises the lamp's operating temperature. In dusty environments, clean every 1-2 months; in ordinary office environments, every 3-6 months.
• Use eco mode: Use eco mode whenever brightness is sufficient to reduce the lamp's thermal load.
• Avoid frequent on/off cycling: Thermal cycling is one of the main causes of lamp wear. If not using the projector for a short time, use the blank/mute function instead of repeatedly cutting power.
• Shut down properly: After shutting down, wait for the fan to stop before cutting power. Cutting power while hot causes the lamp to cool abruptly, a common cause of lamp explosion.
• Reset after replacement: After installing a new lamp, be sure to reset the lamp timer in the menu; otherwise the projector will keep alerting based on the old timer.

Related Resources

• Zorsika Technical Support Center
• Projector Brand & Compatible Model Lookup
• Projector Lamp / Lens / Air Filter Product Database

Purchase Inquiry

For solution consulting, bulk plans, or the complete compatible model list for the Vivitek 5811100760-S, contact us via:

• Website: www.zorsika.com
• Phone: 0086-20-38551187
• Email: sales@zorsika.com
• Business Hours: Monday to Friday, 9:00-18:00

The lamp module models, specifications, and compatible model data in this article all come from the Zorsika product database. Data is continuously updated; please confirm with an actual inquiry.