BenQ LW820ST 9H.JJK77.3HE product
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BenQ LW820ST

 

 

Creating Lasting Lessons with Striking Picture Quality
BenQ BlueCore™ Laser Technology Laser Technology for Pure Color

Powerful BlueCore laser projectors employ dual color wheel systems to unleash outstanding color performance by increasing color ratios and purity of RGBY color, greatly enhancing color saturation and brilliancy at the same lumen output of lamp-based projectors to deliver superior viewing experiences.

Superior Brightness

Precision-Aligned High-Output Laser Source

Zero-deviation alignment of BlueCore laser diodes boost luminous flux into the light tunnel, improving light efficacy to 3,600 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 LW820ST is designed with Dust Guard™ 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.The design has passed the dust chamber test standard for the international dustproof rating of IP5X.

Sealed Engine for Laser Light Source

With a fully enclosed laser light source and an innovative sealed engine design powered by BenQ Dust Guard™ technology, BlueCore education projectors guarantee 20,000 hours of maintenance-free operation to prevent extra expenses on lamp replacement and maintenance. The laser light source resists brightness decay, making BenQ laser education projectors highly stable while ensuring high brightness performance through years of usage.

Anti-Dust Accumulation Sensor Resists Dust Buildup

Incorporating color wheel sensors with an ingenious anti-dust accumulation feature, LW820ST 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

LW820ST’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.

Long Lasting High Brightness

LW820ST produces 3,600 ANSI lumens and superior brightness efficiency, at the same level as IFPs for clear, sharp images and text even in large, bright classrooms with lights kept on during lessons. LW820ST’s Custom Brightness function also allows manual light output adjustments in 1% increments to precisely control projection brightness to fit ambient lighting and conserve energy, as well as providing perfect edge blending for multiple projector applications.

Laser-Enabled Ultra-High Contrast

LW820ST laser projectors create strikingly clear images with stratospherically high native contrast ratio of 3,000,000:1 for true deep blacks, vividly rich colors, and fine subtle details. LW820ST also features spontaneous response, requiring no wait to turn on or resume from blanking in true black for flexible performance capability.

 

 

Brightness

3,600 ANSI Lumens

Resolution

1280x800

Aspect Ratio

16:10 (WXGA)

Contrast

100,000:1 (full on/off)

Display Type

2 cm DLP x 1

Color Processing

10-bit

Video Modes

720p, 1080i, 1080p/60, 576i, 576p, 480p, 480i

Data Modes

MAX 1920x1200


Lamp Type

Laser Phosphor

Lamp Life

20,000 hours


Throw Distance

0.7 m - 1.3 m

Image Size

152 cm - 306 cm

Throw Ratio

0.52:1 (D:W)

Digital Zoom

Yes

Digital Keystone

Vertical only


Projector Size

16 cm x 41 cm x 27 cm (HxWxD)

Weight

5.6 kg

Audible Noise

33 dB  / 29 dB (Eco)

Internal Speakers

10.0 Watts Mono

Power

320 Watts 100V - 240V

Connection Panel

Audio In: Mini Jack
Audio In: RCA
Audio Out: Mini Jack
Composite: RCA
HDMI
HDMI (MHL)
Network: RJ-45
RS232: DB-9pin
S-Video
USB x 2
VGA In: Dsub-15pin x 2
VGA Out: Dsub-15pin

Features

Short-Throw
Laser Pointer


Пълно ръководство на потребителя_Benq LW820ST_EN.pdf


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Технически характеристики

Тип:  DLP
3D:  Не
Разделителна способност (native):  1280 x 800
Разделителна способност (max):  1920 x 1200
Яркост:  3600 lm
Контраст:  3000000:1
Мрежови възможности:  RJ-45
Говорители:  1 x 10 W
4K:  Не
Разстояние на проектиране:  0.7 - 1.3m
Short Throw:  Да
Живот на лампата:  20000 h
Предназначен за:  Образование
Формат:  16:10
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