At a glance
- Compatible Hitachi Projector Models for DT01481 (5 Models)
- Lamp Specifications
- FAQ
- Q: What should I do if the projector reports "lamp not recognized" after replacement?
- Q: How do I choose between original packaged, original bare, and replacement lamps?
- Q: Why choose Zorsika PRO instead of the original?
- Q: Is there an installation guide for the DT01481?
- Q: What is the warranty period for the lamp?
- Why Choose Zorsika PRO for the Same Specifications
- Daily Maintenance to Extend Lamp Life
- Related Resources
- Purchase Inquiries
Hitachi DT01481 projector lamp, UHP 225W/150W dual mode, reflector 50X50L, socket E19.4, compatible with CP-WX3030WN, HCP-D280X, HCP-D320X, HCP-D330X and 5 other Hitachi projectors. Zorsika equivalent model DT01481.
Projector brightness dropping, or the unit alarming to replace the lamp at startup? Often, it simply means the lamp needs replacing, but choosing the right replacement model can be more of a headache—where exactly can the DT01481 be used across Hitachi projectors, and what should you watch out for? This article covers it all.

Compatible Hitachi Projector Models for DT01481 (5 Models)
Below are the verified compatible Hitachi projector models for the DT01481, separated by commas:
CP-WX3030WN, HCP-D280X, HCP-D320X, HCP-D330X, HCP-D340W
Note: Projectors from the same generation often share the same lamp module. For models not listed, please contact Zorsika technical support for confirmation.
Lamp Specifications
| Original Lamp Module Model | DT01481 |
| Zorsika Equivalent Model | DT01481 |
| Compatible Brand | Hitachi |
| Lamp Module Specification | UHP225/150W 0.8 E19.4 Extra |
| Lamp Type | UHP |
| Rated Power | 225W (Standard Mode) / 150W (Eco Mode) |
| Arc Gap | 0.8mm |
| Socket/Base | E19.4 |
| Reflector Size | 50X50L |
| Projection Technology | LCD |
| Number of Compatible Models | 5 Models |
The above specifications are sourced from the Zorsika product database. For the full technical datasheet, please contact our sales team.
FAQ
Q: What should I do if the projector reports "lamp not recognized" after replacement?
A: First, verify whether the lamp hour counter has been reset. Most alerts are caused by a counter that hasn't been cleared. If the error persists after resetting, contact Zorsika technical support. We provide reset instructions and troubleshooting guidance for the specific model.
Q: How do I choose between original packaged, original bare, and replacement lamps?
A: If you prioritize stable brightness and long-term reliability, the Zorsika PRO series lamp is the top choice—each unit is matched against original factory parameters and individually tested before shipping. It delivers performance comparable to the original, offers greater overall peace of mind, and comes with a 180-day warranty. It's ideal for standard business, education, and conference room use. While other replacement lamps are cheaper, their arc tube sourcing and quality control vary significantly, leading to a higher risk of brightness degradation and shortened lifespan. They are only recommended for temporary backup units.
Q: Why choose Zorsika PRO instead of the original?
A: The core philosophy of the Zorsika PRO series is "original factory parameters, our own quality control": power, arc gap, and reflector size are all matched to the original, but each lamp undergoes an additional individual ignition test before shipping, backed by a 180-day warranty. Compared to the original, it offers greater overall peace of mind; compared to other alternatives, quality control is more consistent.
Q: Is there an installation guide for the DT01481?
A: Yes. The lamp door location and disassembly steps for these Hitachi models are essentially the same. Contact Zorsika sales to obtain illustrated or video tutorials for your specific model.
Q: What is the warranty period for the lamp?
A: The Zorsika PRO series projector lamp comes with a 180-day warranty covering normal use and non-artificial damage (such as lamp burst or abnormal early light decay). Brightness degradation within standard limits is considered normal wear and tear and is not covered by the warranty.
Why Choose Zorsika PRO for the Same Specifications
The Zorsika PRO series provides a replacement lamp module for the DT01481 with the same specifications as the original. Key parameters are matched one-to-one against the original, supporting project supply and bulk procurement with more controllable lead times.
- Specification Matching: Power, arc gap, and reflector size are matched item by item to original factory parameters
- Individual Testing: Each lamp is individually ignition-tested before shipping, ensuring brightness and stability
- Warranty Commitment: 180-day lamp warranty covering normal use and non-artificial damage
- Stable Supply: Supports bulk procurement and project supply
In short: if you want original quality but with greater overall peace of mind, the Zorsika PRO series projector lamp is designed exactly for this scenario.
Note: Performance metrics such as brightness and lifespan are significantly affected by projector condition, operating environment, and cooling. Zorsika does not make uniform numerical commitments. We recommend testing 1-2 sample units before bulk procurement.
Daily Maintenance to Extend Lamp Life
- Clean Dust Regularly: Dust buildup on air intakes and filters directly raises lamp operating temperature. In dusty environments, clean every 1-2 months; in normal office environments, every 3-6 months.
- Use Eco Mode: This lamp supports dual power modes of 225W / 150W. Switching to eco mode for daily presentations significantly reduces thermal load on the lamp.
- Avoid Frequent On/Off Cycles: Thermal cycling is a major source of lamp wear. If the projector won't be used for a short period, use the shutter/blank function instead of repeatedly cutting power.
- Proper Shutdown: Always wait for the cooling fan to stop before disconnecting power after shutdown. Cutting power while hot causes sudden cooling of the lamp, a common cause of lamp burst.
- Reset Lamp Hours After Replacement: After installing a new lamp, be sure to reset the lamp hour counter in the menu; otherwise, the projector will continue to alarm based on the old timer.
Related Resources
- Zorsika Technical Support Center
- Projector Brand and Compatible Model Lookup
- Projector Lamp / Lens / Air Filter Product Library
Purchase Inquiries
For consultation on the Hitachi DT01481, bulk solutions, or a complete list of compatible models, please contact us through the following channels:
- Website: www.zorsika.com
- Phone: 0086-20-38551187
- Email: sales@zorsika.com
- Business Hours: Monday to Friday, 9:00-18:00
The lamp module model, specifications, and compatible model data in this article are sourced from the Zorsika product database. Data is continuously updated; please confirm with actual quotations.