Display: 21.5 in, TN, W-LED, 1920 x 1080 pixels
Viewing angles (H/V): 170 ° / 160 °
Brightness: 250 cd/m²
Static contrast: 1000 : 1,
Dynamic contrast: 80000000 : 1
Refresh rate: 50 Hz - 76 Hz
NTSC: 72 %
Dimensions: 514.1 x 315.2 x 48.4 mm
Brand, series, model
Information about the brand, series, model and model aliases.
| Brand | Asus |
| Model | VK228S |
| Model year | 2012 |
Display
Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.
| Size class | 21.5 in (inches) |
| Diagonal | 546.1 mm (millimeters) 54.61 cm (centimeters) 21.5 in (inches) 1.7917 ft (feet) |
| Width | 476.064 mm (millimeters) 47.6064 cm (centimeters) 18.7427 in (inches) 1.5619 ft (feet) |
| Height | 267.786 mm (millimeters) 26.7786 cm (centimeters) 10.5428 in (inches) 0.8786 ft (feet) |
| Panel type | TN |
| Panel bit depth | 8 bits (6 bits + FRC) |
| FRC | Yes |
| Colors | 16777216 colors 24 bits |
| Aspect ratio | 1.778:1 16:9 |
| Resolution | 1920 x 1080 pixels Full HD / 1080p |
| Pixel pitch | 0.248 mm (millimeters) 0.0248 cm (centimeters) 0.0098 in (inches) 0.0008 ft (feet) |
| Pixel density | 102 ppi (pixels per inch) 40 ppcm (pixels per centimeter) |
| Display area | 78.67 % (percent) |
| Backlight | W-LED |
| NTSC (1953) | 72 % (percent) |
| Brightness | 250 cd/m² (candela per square meter) |
| Static contrast | 1000 : 1 |
| Dynamic contrast | 80000000 : 1 |
| Horizontal viewing angle | 170 ° (degrees) |
| Vertical viewing angle | 160 ° (degrees) |
| Minimum response time | 5 ms (milliseconds) 0.0050 s (seconds) |
| Coating | Anti-glare/Matte (3H) |
3D
3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.
| 3D | No |
Frequencies
Information about the horizontal and vertical refresh rates/frequencies.
| Horizontal frequency (analog) | 30 kHz - 82 kHz (kilohertz) |
| Horizontal frequency (digital) | 30 kHz - 82 kHz (kilohertz) |
| Vertical frequency (analog) | 50 Hz - 76 Hz (hertz) |
| Vertical frequency (digital) | 50 Hz - 76 Hz (hertz) |
Power supply and consumption
Information about the power supply and consumption, energy efficiency class, etc.
| 110V | 100 V - 120 V (volts) |
| 220V | 220 V - 240 V (volts) |
| Alternating current frequency | 50 Hz - 60 Hz (hertz) |
| Power consumption (off) | 0.5 W (watts) |
| Power consumption (sleep) | 0.5 W (watts) |
| Power consumption (average) | 21.1 W (watts) |
| Power consumption (maximum) | 30 W (watts) |
Dimensions, weight and color
Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.
| Width | 514.1 mm (millimeters) 51.41 cm (centimeters) 20.2402 in (inches) 1.6867 ft (feet) |
| Height | 315.2 mm (millimeters) 31.52 cm (centimeters) 12.4094 in (inches) 1.0341 ft (feet) |
| Depth | 48.4 mm (millimeters) 4.84 cm (centimeters) 1.9055 in (inches) 0.1588 ft (feet) |
| Width with stand | 514.1 mm (millimeters) 51.41 cm (centimeters) 20.2402 in (inches) 1.6867 ft (feet) |
| Height with stand | 387.2 mm (millimeters) 38.72 cm (centimeters) 15.2441 in (inches) 1.2703 ft (feet) |
| Depth with stand | 200.6 mm (millimeters) 20.06 cm (centimeters) 7.8976 in (inches) 0.6581 ft (feet) |
| Weight with stand | 3.22 kg (kilograms) 7.1 lbs (pounds) |
| Colors | Black |
Ergonomics
Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.
| VESA mount | Yes |
| VESA interface | 100 x 100 mm |
| Removable stand | Yes |
| Height adjustment | No |
| Landscape/portrait pivot | No |
| Left/right swivel | No |
| Forward/backward tilt | Yes |
| Forward tilt | 5 ° (degrees) |
| Backward tilt | 20 ° (degrees) |
Audio
Information about the audio system - number and power of the built-in speakers, supported audio technologies.
| Speakers | 2 x 1 W (watts) |
Camera
Many contemporary desktop monitors and smart TV sets have built-in cameras.
| Camera | Yes |
| Image resolution | 1280 x 720 pixels 0.92 MP (megapixels) |
| Video resolution | 1280 x 720 pixels 0.92 MP (megapixels) |
Connectivity
Available connectivity ports, slots and interfaces.
| Connectivity | 1 x USB 2.0 (upstream) 1 x D-sub 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out |
Features
Some additional functional features of the model.
| Features | SPLENDID Video Intelligence Technology |
Certificates, standards and licenses
Licenses from regulatory agencies, standards, certificates.
| Certificates, standards and licenses | BSMI CB CCC CE C-Tick CU ENERGY STAR 5.0 ErP FCC Class B RoHS UL/cUL VCCI WEEE WHQL (Windows 8; Windows 7) |
Operating and storage conditions
There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.
| Operating temperature | 0 °C - 50 °C (degrees Celsius) 32 °F - 122 °F (degrees Fahrenheit) |
| Storage temperature | 20 °C - 60 °C (degrees Celsius) 68 °F - 140 °F (degrees Fahrenheit) |
Accessories
Often the packaging of desktop monitors and smart TV sets includes accessories for them.
| Accessories | Audio cable D-sub cable USB cable |
Additional features
Information about other features.
| Additional features | Anti-theft stand lock slot - Kensington |
