Panasonic · Under 3,000 lumens · WXGA
Panasonic PT-TW231RU
2,500lumens
1280×800native
0.52–0.52throw ratio
4.7 kgweight
The Panasonic PT-TW231RU is a 0.59" 3LCD projector rated at 2,500 lumens with a native resolution of 1280×800. It uses a 230w uhm bulb light source. Its lens has a throw ratio of 0.52:1. Released May 2012.
Throw distance table
Distance from lens to surface for each image width (16:10 (WXGA)). Calculated as throw ratio × width; check the manufacturer's lens calculator before installation.
| Image width | Height | Standard lens 0.52:1 |
|---|---|---|
| 2 m (6.6 ft) | 1.25 m | 1.0 m |
| 3 m (9.8 ft) | 1.88 m | 1.6 m |
| 4 m (13.1 ft) | 2.5 m | 2.1 m |
| 5 m (16.4 ft) | 3.12 m | 2.6 m |
| 6 m (19.7 ft) | 3.75 m | 3.1 m |
| 8 m (26.2 ft) | 5.0 m | 4.2 m |
| 10 m (32.8 ft) | 6.25 m | 5.2 m |
| 12 m (39.4 ft) | 7.5 m | 6.2 m |
| 15 m (49.2 ft) | 9.38 m | 7.8 m |
| 20 m (65.6 ft) | 12.5 m | 10.4 m |
| 25 m (82.0 ft) | 15.62 m | 13.0 m |
| 30 m (98.4 ft) | 18.75 m | 15.6 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 light | Max area | Max width × height |
|---|---|---|
| Dark rural site (1 lux) | 222 m² | 18.9 × 11.8 m |
| Quiet street at night (5 lux) | 44 m² | 8.4 × 5.3 m |
| Lit city square (15 lux) | 15 m² | 4.9 × 3.0 m |
| Bright urban area (30 lux) | 7 m² | 3.4 × 2.2 m |
| Indoor, lights dimmed (50 lux) | 4 m² | 2.7 × 1.7 m |
Full specifications
| Additional Features | Project large-screen images in a limited space, making lectures go smoothly by eliminating the glare of the projection light & shadows on the screen |
|---|---|
| Aspect Ratio | 16:10 (WXGA) |
| Audible Noise | 36 dB / 29 dB (Eco) |
| Color Processing | 8-bit |
| Connection Panel | Audio In: Mini Jack Audio In: RCA Audio Out: Mini Jack Composite: RCA HDMI Network: RJ-45 RS232: DB-9pin S-Video USB: A VGA In: Dsub-15pin x 2 VGA Out: Dsub-15pin |
| Contrast | 500:1 (full on/off) |
| Data Modes | MAX 1280x800 |
| Digital Keystone | Vertical only |
| Digital Zoom | Yes |
| Display Type | 0.59" 3LCD |
| Features | Interactive Short-Throw Closed Captioning Blackboard Mode |
| Image Size | 60.00" - 110.00" |
| Included Lens | Fixed focal length , manual focus |
| Internal Speakers | 10.0 Watts Mono |
| Lamp Model | ET-LAT100 / POA-LMP141 Buy ET-LAT100 Lamp |
| Lens Shift | No |
| Light Source | 230W UHM bulb |
| MSRP | n/a |
| Power | 310 Watts 100V - 240V |
| Projector Placement | For a " diagonal screen, place the projector lens 3'-7" from the screen. |
| Projector Size | 5.63" x 13.78" x 15.31" (HxWxD) |
| Released | May 2012 |
| Resolution | 1280x800 |
| Status | Discontinued Apr 2017 |
| Throw Distance | 2.1' - 3.9' Calculate Throw Distance |
| Throw Ratio | 0.52:1 (D:W) |
| Video Modes | 720p, 1080i, 525i, 525p, 576i, 576p, 625i, 1125i, 480p, 480i |
| Warranty | 3 Years |
| Weight | 10.4 lbs |
| White Brightness | 2,500 Lumens (ANSI) 1 |
Specifications compiled from ProjectorCentral and manufacturer data. Prices change — verify with dealers.
Similar projectors
| Model | Lumens | Resolution | Light source | Throw ratio | Street price |
|---|---|---|---|---|---|
| Panasonic PT-CW230U | 2,500 | 1280×800 | 275W UHM bulb | 0.19:1 | |
| Panasonic PT-LW25HU | 2,500 | 1280×800 | 230W Metal Halide bulb | 1.5–1.79:1 | |
| Panasonic PT-TW230U | 2,500 | 1280×800 | 230W UHM bulb | 0.52:1 | |
| Hitachi BZ-1 | 2,500 | 1280×800 | 210W UHB bulb | 0.31:1 | |
| Hitachi BZ-1M | 2,500 | 1280×800 | 210W UHB bulb | 0.3:1 | |
| Hitachi CP-AW250 | 2,500 | 1280×800 | 210W UHP bulb | 0.31:1 | |
| Hitachi CP-AW250N | 2,500 | 1280×800 | 210W UHP bulb | 0.31:1 | |
| Hitachi CP-AW250NM | 2,500 | 1280×800 | 210W UHP bulb | 0.31:1 |