BENQ LH890UST 4000lms 1080p Education Projector
Laser | DLP | 1080p (1920x1080)
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Overview LH890UST LH890UST 4000lms 1080p Education Projector Uninterrupted Learning Through Long-Lasting Projection Ultra short-throw ratio BlueCore laser technology for superb image quality IP5X dustproof mechanism reducing maintenance costs-Creating Lasting Lessons with
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Product Family Projection
Product category Projectors
Brand BenQ
Color White
Supported video modes 1080i 1080p 480i 480p 576i 576p 720p
Features 360 degrees projection-Vertical 3D (HDMI1.4a) 3D ready(DLP link, PC+Video) AMX Device Discovery Auto Power Off BenQ LAN Control via MDA Software BlueCore Brilliant color Closed Caption Corner Fit Crestron e-Control System Accessible Crestron RoomView Enabled Digital zoom Direct Power On Dust Guard Pro Eco Blank Freeze FW upgrade via LAN HDMI Signal Power On HDTV Compatible High altitude mode Interactive module compatible Kensington Lock LAN to RS232 supported Panel Key lock PJ Link Compatible Presentation timer Quick Auto Search TBD User memory setting Variable audio out VGA Signal Power On Wall Color Correction Warranty Card (by region)
Light source type Laser
Power consumption (typical) 358
Projection technology DLP
Projector brightness 4000
Projector native resolution 1080p (1920x1080)
Connectivity In Audio in (3.5mm Mini Jack) Audio L/R in (RCA) Composite Video in (RCA) HDMI (1.4b/HDCP1.4) HDMI (1.4b/HDCP1.4/MHL) LAN (RJ45) PC in-1 (shared with component video) RS232 in (DB-9pin) S-Video in (Mini DIN 4pin) USB Type A-1 (2.0/Power Supply1.5A) USB Type Mini B-1(service) USB Type Mini B-2(PointWrite)
Connectivity Out Audio out (3.5mm Mini Jack) Monitor out (D-sub 15pin)
Dimensions (WxDxH) 502.1x164.5x399.3
Internal Speaker 10W
Operating temperature (T-T) 0-40
Power consumption (standby) 5
Throw ratio .23
Zoom ratio Fixed
Color Segment RGBY
Color Wheel Speed 2X (50Hz) 2X (60Hz) 3D (144Hz)
DC (Dark Chip) Type DC3
Dmd Size 0.65
Finish type Matte
Contrast Ratio (FOFO) 3000000:1
Horizontal Scan Range 15K~102KHz
Keystone correction, horizontal 20
Keystone correction, vertical 20
Lens focal range F/# = 2.4, f = 3.35 mm
Light Source Life Normal 20000 hrs
Native aspect ratio 31/12/1899 16:09:00
Number of effective pixels (H x V) 1920 x 1080
Picture Mode 3D Bright Cinema Presentation sRGB User 1 User 2 Vivid
Power consumption (network standby) 2
Power Supply AC Built-In PowerCON True1 in/loop
Projected Image Size Maximum 121"
Projected Image Size Minimum 81"
Projection Offset (Full Height) 118.80
Display # of Color 30 Bits (1,07 billion colors)
Rec. 709 Coverage 0,85
Supported aspect ratios 16:10 16:9 4:3 Auto Real
Supported resolutions VGA(640 x 480) to WUXGA_RB(1920 x 1200) *RB=Reduced blanking
Vertical scan range 23~120Hz

Overview LH890UST

LH890UST 4000lms 1080p Education Projector

Uninterrupted Learning Through Long-Lasting Projection
  • Ultra short-throw ratio
  • BlueCore laser technology for superb image quality
  • IP5X dustproof mechanism reducing maintenance costs-Creating Lasting Lessons with Striking Picture Quality
BenQ BlueCore™ Laser Technology
Superior Brightness

Precision-Aligned High-Output Laser Source

Zero-deviation alignment of BlueCore laser diodes boosts luminous flux into the light tunnel, improving light efficacy to 4,000 lumens.

Superior Performance

Secondary Yellow-Infused Color Wheel

Dual synchronized BlueCore color wheels utilize an additive yellow segment, stimulating precise RGBY spectra for optimal chromatic performance.

Superior Durability

Hermetically Sealed DLP Chip

Comprising over two million micromirrors that reflect pure light through the color wheel, the DLP chip is hermetically sealed to resist heat for over 100,000 hours without degradation.

Superior Dustproofing Design to Prolong Projector Lifespan

BenQ LH890UST is designed with DustGuard™ technology including sealed laser modules to protect the laser bank. This lock-and-key design hermetically seals the laser engine from dust* to prolong projector lifespan.

Anti-Dust Accumulation Sensor Resists Dust Buildup

Incorporating color wheel sensors with an ingenious anti-dust accumulation feature, LH890UST prolongs optimal performance by rejecting dust which can accumulate on traditional sensors to block the IR signal and cause flickering, abnormal colors, or even shutdown.

Brilliant Display of Lecture Content

LH890UST’s powerful BlueCore™ laser projection utilizes a dual color wheel system to produce outstanding color performance by increasing color ratios and purity of RGBY colors, greatly enhancing color saturation and brilliancy at the same lumen output of lamp-based projectors to deliver superior viewing experiences.

Laser-Enabled Ultra-High Contrast

LH890UST laser projectors create strikingly clear images with stratospherically high native contrast ratio of 100,000:1 for true deep blacks, vividly rich colors, and fine subtle details.

LH890UST also features spontaneous response, requiring no wait to turn on or resume from blanking in true black for flexible performance capability.

Long Lasting High Brightness

LH890UST produces 4,000 ANSI lumens and superior brightness efficiency, at the same level as IFPs for clear, sharp images and text even in large, bright classrooms. High brightness allows lights to be kept on during lessons, and sealed laser banks prevent dust entry to minimize brightness decay for long-lasting high brightness.

Instant Power-On

BenQ BlueCore™ education projectors can be turned on and off instantly to significantly reduce setup time compared to other lamp-based projectors.

20,000 Hour Long-Lasting Performance

With a fully sealed laser light source and an innovative sealed laser engine design, BenQ BlueCore™ laser education projectors deliver 20,000 hours of maintenance-free operation, preventing extra expenses on lamp replacement and maintenance. The laser light source resists color and brightness decay over time, offering significantly more reliable performance after a period of operation.

Expanding Classroom Possibilities
Ultra-Short Throw

Ultra-short throw projectors can be mounted inches the wall directly above the screen, eliminating distracting shadows and glare for students and teachers to engage and collaborate freely in front of the board.

Bigger Images

BenQ education projectors offer a range of resolutions and projected image sizes to meet diverse classroom needs. Featuring crisp image quality up to 121 inches, our ultra-short throw education projectors deliver increased classroom versatility at reduced costs.

Create Interaction on Any Surface

PointWrite™ technology works on any flat surface, so no expensive digital whiteboard or additional equipment is necessary. With the PointWrite™ module, images can be projected onto a wall for multiple students to easily share and write on the same screen, creating vast new opportunities for classroom interactivity and enabling possibilities for modern digital classrooms.

Multi-Touch with Pens and Multi-Screen Drawing

PointWrite™ projectors offer multi-user capability, and two PointWrite™ projectors can be used to double the projection surface. With QWrite* Whiteboard Mode, teachers can run different applications or display, view, and annotate across two monitors.

*QWrite™ is BenQ exclusive annotation software is compatible with BenQ PointWrite™ module.

Intuitive Setup

PointWrite™ automatically calibrates and saves its settings the moment it is plugged into a computer’s USB port. PointWrite™ then remains ready with no manual configuration or complicated training for teachers needed. Additionally, LH890UST’s interactive sensor guarantees reliable auto-calibration in any ambient lighting.

Advanced Interactive Module Compatible

A modular design allowing schools the flexibility of adding interactivity to classrooms with future investment, the new BenQ PointWrite™ interactive module PW40U provides truly collaborative learning environments where students and teachers work together using intuitive templates along with QWrite™ software, all with one-time calibration convenience.

* PW40U is an optional interactive module for LX890UST/ LW890UST/ LH890UST

Multiple Choices for Wireless Compatibility

For engaging and intuitive lessons, teachers and students can bring their own smart devices and computers to stream documents, images, and even Full HD videos to LH890UST projectors, facilitating the free exchange of ideas and collaborative teamwork.

*LX890UST/ LW890UST/ LH890UST is compatible with QCast dongle, QCast Mirror dongle, InstaShow as optional accessories.

Facilitating Smart, Efficient Projector Maintenance
Control System Compatibility

LH890UST is widely compatible with leading projector control systems including Crestron, AMX, PJ Link, and Extron* IP Link for network control via LAN, making it simple to integrate into educational network infrastructures. LH890UST also supports RS-232 for reliable long-distance Installation up to 15 meters when there is no LAN infrastructure.

*Developed by Extron, IP Link driver allows device monitoring, control, and support over LAN when MediaLink controller, IP Link Ethernet control interface, or other IP Link-enabled device is installed. For more information,

Centralized Control with BenQ MDA Software

BenQ Multiple Display Administrator (MDA) software enables powerful centralized monitoring, control, and power scheduling across the school’s projector network from a single computer, offering full access and control over every projector directly

Centralized Upgrade Tool for Multiple Projector Maintenance

Administrators can centrally upgrade firmware on multiple networked BenQ education projectors on the same local network via LAN (up to 253 projectors), deploying the latest updates to all devices at once. This new tool can upgrade firmware types including TI IC, MCU IC, LAN IC, and Ballast IC, with a friendlier user interface.

*For further information about the tool, please contact BenQ service for support.

Expanding Classroom Possibilities
Streamlined Wall Mount Alignment

For efficient professional installation, our ultra-short throw projector wall mount features an installation chart and ruler for perfect screen alignment and image position in the classroom. Even simpler, using an existing wall mount without uninstallation, a three-way adjustment knob is located in front of the projector for cleanly installed, absolutely square screens.

Clear Images without Distortion

Digital Shrink

Digital Shrink is used for fine tuning the screen size via OSD menu when the image is not precisely aligned on the desired frame.

Corner Fit Correction

Corner Fit provides individual adjustment of each corner for perfect fit and alignment onto restricted or uneven spaces.

Enduring Picture Perfection from the World’s No.1 DLP Brand BenQ
Unmatched Readability

With industry-leading high contrast, BenQ education projectors utilize advanced DLP-optimized optical lens systems to provide precise readability and crisp resolution for every single sub-pixel.

Long-Lasting Picture Quality

With industrial-grade durability from DLP technology, BenQ education projectors maintain long-lasting picture perfection by eliminating color decay. Unlike non-DLP projectors, BenQ DLP education projectors look brand-new after lamp replacement. And with over two million micromirrors and minimal heat buildup, the DLP chip endures over 100,000 hours without degradation.

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