显示器
| 显示器尺寸 |
21.5 " |
| 垂直扫描范围 |
56 - 76 Hz |
| 可视尺寸，对角线 |
546 mm |
| 长宽比 |
16:9 |
| 触摸屏技术 |
Capacitive |
| 对比度（动态） |
8000000:1 |
| 响应时间 |
25 ms |
| 色域 |
84% |
| 对比度 |
3000:1 |
| 显示器分辨率 |
1920 x 1080 pixels |
| 视角，水平 |
178 ° |
| 视角，垂直 |
178 ° |
| 像素 |
0.248 x 0.248 mm |
| 显示器可视区域 HxV |
476.64 x 268.11 mm |
| 显示器亮度 |
250 cd/m² |
| Full HD |
Y |
| 显示技术 |
VA |
| 支持图形分辨率 |
1920 x 1080 (HD 1080) |
| 支持的视频模式 |
1080p |
| LED背光源 |
Y |
端口 & 界面
| 包含电缆 |
AC, HDMI, USB |
| DVI-D接口数量 |
1 |
| 音频输出 |
1 |
| USB2.0端口的数量 |
1 |
| HDMI端口数量 |
1 |
| VGA（D-SUB）端口数量 |
1 |
人体工程学
| 支持装配位置 |
Horizontal |
| VESA 安装支架 |
Y |
| 线缆锁插槽 |
Y |
| VESA 安装系统兼容界面 |
100 x 100 mm |
| 墙壁支架 |
Y |
| 倾角 |
0 - 60 ° |
性能
| DDC/CI |
Y |
| 屏保功能 |
Y |
| 内置麦克风 |
N |
| 同步接触点的数目 |
10 |
| 即插即用 |
Y |
| HDCP |
Y |
| OSD语言数 |
6 |
| 触控技术 |
Multi-touch |
| 内置摄像头 |
N |
| 可支持的Windows操作系统 |
Windows 8 |
| 戴尔 E-Value 代码 |
S2240T |
| 屏幕显示 （OSD）语言 |
CZE, DEU, ENG, ESP, FRE, JPN |
重量和尺寸
| 重量（含底座） |
5800 g |
| 深度 |
205.7 mm |
| 重量 |
3400 g |
| 宽度 |
522.5 mm |
| 高度 |
370.8 mm |
能量控制
| 功耗（一般操作） |
20 W |
| 功耗（待机） |
0.5 W |
| 交流电（AC）输入电压 |
100-240 V |
| 交流电（AC）输入频率 |
50/60 Hz |
| 能源之星认证 |
Y |
| 电源类型 |
AC |
另外
| 水平扫描范围 |
30 - 83 kHz |
| 显示器的颜色数量 |
16.78 million colours |
| 产品色彩 |
Black, Silver |
| 显示器对角线（公制） |
54.6 cm |
| 运行温度范围（T - T） |
0 - 40 °C |
54.61 cm (21.5 ") (54.6cm) LED, 1920x1080, 16:9, 250cd/m², 12ms, 16.7M, HDMI, VGA, DVI-D, USB 2.0, 20W, 3.4kg
Exceptional usability
Designed to encourage collaboration and give productivity a boost, the Dell 21.5" touch monitor offers a high level of user flexibility for work, school or entertainment.
- Ergonomic stand: Slide your display toward you smoothly and naturally to touch and type while tilting as much as 60°. Good for classrooms, home offices, clinics and other professional applications.
- VESA compatibility: You can also choose to mount your monitor on the wall or attach it to the Dell Single Monitor Arm1 to enjoy even greater viewing flexibility.
- Integrated connectivity: HDMI, Digital Visual Interface (DVI) and VGA ports enable direct connections to your desktop, laptop, camera, phone and other electronic devices to enhance almost any view.
- Image projection: Enabling touch is easy! Simply connect the USB cable from your PC to the monitor's USB upstream port, and use either a HDMI, DVI2 or VGA2 cable to project images onscreen.
Natural touch and superb image clarity
Tap, slide, swipe, turn, pinch and stretch with your fingers. The multi-touch capability is simple and intuitive when used with Windows 8, recognizing up to 10 touch points at once.
Offering excellent image quality, the Dell 21.5" touch monitor features:
- Great screen clarity: 16:9 Full HD with 1920 x 1080 (max) resolution; 3,000:1 (typical) high contrast ratio; Mega Dynamic contrast ratio estimated at 8 million:1 (max); wide 178°/178° viewing angle for effective collaboration.
- Edge-to-edge glass: Big, clean panel for a smooth touch experience plus Image Enhance designed to sharpen images, improve color hues and boost color contrast.
- Dell Display Manager: Features Auto Mode, which offers a choice of preconfigured color settings to optimize the appearance of individual applications. Each application can have its own preset mode.
Efficient design
Conceived with a high priority on environmental efficiency, the Dell 21.5" touch monitor features low power consumption and environment-conscious materials.
- 20W typical power consumption: Energy use is up to 28.57 percent lower than the previous-generation Dell touch monitor.
- Power-saving features: Dynamic dimming lowers brightness of predominantly white screens. PowerNap, when enabled, dims the monitor when not in use.
- High environmental standards: ENERGY STAR® qualified and EPEAT® Silver rated, the Dell 21.5" touch monitor also features arsenic-free glass and a mercury-free LED panel.
