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Vivitek DU4381Z-ST
Vivitek DU4381Z-ST Key Features
- 6100 ANSI Lumens
- Native Widescreen
- WUXGA 1920*1200 Native Resolution
- 30000:1 Contrast Ratio
- 360° Installation
- Ultra Short Throw
- Native Widescreen
- Horizontal & Vertical Keystone Correction
- Portrait Mode
- Can Be Installed Vertically
- Warrantied for 24/7 use
- DICOM Simulation Mode
- 3D Projection Ready
- sRGB Colour Mode
- Monitor Out
- Network Control
- 10.5kg (23.1lb.)
- DLP® DarkChip3™ and BrilliantColor™ technologies for optimal black levels and vibrant colorful images
- 6100lm high brightness with 30,000 hrs (Eco) laser life
- 0.50:1 Short Throw Ratio
- IP6X high standard Anti-Dust compliant
- Delivers up to a 300” image from a distance close to the projection surface
- Rec 709 excellent color performance-coverage 95%
- Constant Brightness to keep the brightness constant
- 360° (degree) positioning for flexible installation
- H/V keystone / 4 corner geometric adjustment
- HDBaseT™ interface for the transmission of high-quality audio and video data over 100M
- Crestron® RoomView™ integration for network monitoring and management
- Power USB-A (5V/1.5A)
- Support 24/7 operation
- Click for Vivitek DU4381Z-ST Detailed Specifications
Availability: Please Call
Throw Calculator
| Lens | Vertical Offset |
Minimum Throw |
Maximum Throw |
Foot Lamberts |
|---|---|---|---|---|
| Standard Lens | 17cm | 0.65m | 0.65m | 545 |
Vivitek DU4381Z-ST Throw Chart
Along the horizontal axis is the distance in metres between the front of the projector and the projection screen. Up the vertical axis is the width of the image the projector will produce. We use width rather than diagonal as the width will remain consistent with the throw distance and zoom setting whereas the height and therefore the diagonal will vary depending on the source. For example, if you have a 4:3 aspect ratio projector and use it to watch a 16:9 aspect ratio DVD then the image will be "letterboxed", i.e. the width will remain the same but the height will be reduced.
Projector Throw From Screen Size Table (16:10 aspect ratio, in metres)
| Diag. | Width | Height | Min. Throw | Max Throw | Area | Nits |
| 0.76 | 0.64 | 0.40 | 0.32 | 0.32 | 0.26² | 7479.7 |
| 1.00 | 0.85 | 0.53 | 0.42 | 0.42 | 0.45² | 4320.3 |
| 1.50 | 1.27 | 0.79 | 0.64 | 0.64 | 1.01² | 1920.1 |
| 2.00 | 1.70 | 1.06 | 0.85 | 0.85 | 1.80² | 1080.1 |
| 2.50 | 2.12 | 1.32 | 1.06 | 1.06 | 2.81² | 691.2 |
| 3.00 | 2.54 | 1.59 | 1.27 | 1.27 | 4.04² | 480.0 |
| 3.50 | 2.97 | 1.85 | 1.48 | 1.48 | 5.51² | 352.7 |
| 4.00 | 3.39 | 2.12 | 1.70 | 1.70 | 7.19² | 270.0 |
| 4.50 | 3.82 | 2.38 | 1.91 | 1.91 | 9.10² | 213.3 |
| 5.00 | 4.24 | 2.65 | 2.12 | 2.12 | 11.24² | 172.8 |
Nits are a measure of the brightness of the final image. Multiply the figure in the Nits column by the gain of your screen to obtain a true figure.
Projector lamps dim over their life spans so make allowances by multiplying the foot nits by 0.75 to get a reasonable average.If you intend to calibrate your projector then this will also affect brightness. For home cinema use in a well darkened roon, about 42-70 Nits is ideal. For office use, aim for at least 175.
Screen Size For Given Throw Table
| Throw | Min. Width | Max. Width |
| 0.65 | 1.30 | 1.30 |
| 0.65 | 1.30 | 1.30 |
| 1.06 | 2.11 | 2.11 |
| 1.46 | 2.93 | 2.93 |
| 1.87 | 3.74 | 3.74 |
| 2.28 | 4.56 | 4.56 |
| 2.69 | 5.37 | 5.37 |
| 3.09 | 6.19 | 6.19 |