Hitachi · 3,000–4,999 lumens · WUXGA

Hitachi CP-WUX645N

4,200lumens
1920×1200native
1.49–2.97throw ratio
7.2 kgweight

The Hitachi CP-WUX645N is a 0.76" 3LCD projector rated at 4,200 lumens with a native resolution of 1920×1200. It uses a 275w uhb bulb light source rated for 2,000 hours / 3,000 hours (Eco). Its lens has a throw ratio of 1.49–2.97:1. Released September 2010.

Throw distance table

Distance from lens to surface for each image width (16:10 (WUXGA)). Calculated as throw ratio × width; check the manufacturer's lens calculator before installation.

Image widthHeightStandard lens
1.49–2.97:1
2 m (6.6 ft)1.25 m3.0–5.9 m
3 m (9.8 ft)1.88 m4.5–8.9 m
4 m (13.1 ft)2.5 m6.0–11.9 m
5 m (16.4 ft)3.12 m7.5–14.9 m
6 m (19.7 ft)3.75 m8.9–17.8 m
8 m (26.2 ft)5.0 m11.9–23.8 m
10 m (32.8 ft)6.25 m14.9–29.7 m
12 m (39.4 ft)7.5 m17.9–35.6 m
15 m (49.2 ft)9.38 m22.4–44.6 m
20 m (65.6 ft)12.5 m29.8–59.4 m
25 m (82.0 ft)15.62 m37.2–74.2 m
30 m (98.4 ft)18.75 m44.7–89.1 m

Open in the throw-distance calculator →

Maximum image size for projection mapping

Largest image that keeps a 10:1 contrast against ambient light on a light, matte surface (80% optical efficiency). See how this is calculated.

Ambient lightMax areaMax width × height
Dark rural site (1 lux)373 m²24.4 × 15.3 m
Quiet street at night (5 lux)75 m²10.9 × 6.8 m
Lit city square (15 lux)25 m²6.3 × 3.9 m
Bright urban area (30 lux)12 m²4.5 × 2.8 m
Indoor, lights dimmed (50 lux)7 m²3.5 × 2.2 m

Full specifications

Additional FeaturesThe Hybrid Filter lasts for more than 4000 hours, ten times longer than conventional filters. This extension in maintenance intervals reduces the overall cost of ownership significantly
Aspect Ratio16:10 (WUXGA)
Audible Noise35 dB / 30 dB (Eco)
Color Brightness4,200 Lumens 3 CLO
Color Processing10-bit
Connection PanelComponent: RCA Composite: RCA HDMI Network: RJ-45 RGB In: BNC RS232: DB-9pin S-Video USB: A VGA In: Dsub-15pin
Contrast1,000:1 (full on/off)
Data ModesMAX 1920x1200
Digital KeystoneHorizontal & Vertical
Display Type0.76" 3LCD
Dynamic IrisYes
FeaturesPicture-in-Picture Closed Captioning CE Blackboard Mode Crestron RoomView™ UL
Image Size30.00" - 300.00"
Included Lens2x manual zoom , manual focus
Internal Speakers8.0 Watts × 2
Lamp ModelDT00873 Buy DT00873 Lamp
Lens ShiftHorizontal +/-10% & Vertical +50%
Light Source275W UHB bulb
Light Source Life2,000 hours / 3,000 hours (Eco)
MSRPn/a
Power460 Watts 90V - 264V
Projector PlacementFor a " diagonal screen, place the projector lens between 10'-5" and 20'-9" from the screen.
Projector Size5.50" x 16.50" x 14.10" (HxWxD)
ReleasedSeptember 2010
Resolution1920x1200
StatusDiscontinued Aug 2012
Throw Distance6.1' - 31.4' Calculate Throw Distance
Throw Ratio1.49:1 - 2.97:1 (D:W)
Video Modes720p, 1080i, 1080p/60, 576i, 480p, 480i
Weight15.9 lbs
White Brightness4,200 Lumens (ANSI) 1

Specifications compiled from ProjectorCentral and manufacturer data. Prices change — verify with dealers.

Similar projectors

ModelLumensResolutionLight sourceThrow ratioStreet price
Hitachi CP-WU84404,2001920×1200245W UHP bulb0.9–8.7:1
Optoma GT2400HDR4,2001920×1080Laser Phosphor0.48:1$1,299
ViewSonic LS711HD4,2001920×1080Laser Phosphor0.5:1$1,364
Epson Europe EB-2245U4,2001920×1200300W UHE bulb1.57–2.58:1
Epson Europe EB-2247U4,2001920×1200230W UHE bulb1.39–2.23:1
Epson BrightLink 780Ei4,2001920×1080Laser Phosphor
Epson PowerLite 780E4,2001920×1080Laser Phosphor
Optoma GT2100HDR4,2001920×1080Laser Phosphor0.5:1$1,299