OBL228 21.5″ Optical Bond X-Trim
| Name | 21.5 Inch Closed Frame Touch Monitor | 
| Model | OBL228 | 
| LCD Panel Parameters | |
| Display Technology | Active Matrix TFT-LCD with LED Backlight | 
| Aspect Ratio | 16:9 | 
| Active Area (W × H) | 476.64 mm × 268.11 | 
| Native Resolution | 1920 × 1080 @ 60 Hz | 
| Response Time (Typ.) | 14 ms | 
| Display Colors | 16.7 M | 
| Luminance (Typ.) | 250nits; with PCAP 210nits | 
| Contrast Ratio (Typ.) | 1000:1 | 
| Viewing Angle (Typ.) | Horizontal(left/right) CR≥10 178°(89°/89°) | 
| Vertical(up/down) CR≥10 178°(89°/89°) | |
| Touch Screen Parameters | |
| Touch Technology | Projected Capacitive(PCAP) | 
| Surface Treatment | Strengthened | 
| Optional: Anti-glare | |
| Active Area(W × H) | 477.0 × 268.6 mm ± 0.3 mm | 
| Thickness(Total) | 2.6 ± 0.3 mm | 
| Light Transmission | ≥85% | 
| Response Time | 8-10 ms | 
| Touch Screen Interface | USB | 
| Touch Point | 10 | 
| Overall Parameters | |
| Case/Bezel Color | Black, White(Optional) | 
| Mounting Options | VESA: 100×100 mm, 75×75 mm | 
| Outline Dimensions(W×H×D) | 505.2 mm × 296.8 mm× 36.8 mm | 
| Power Supply | External Adapter: 100-240V AC, 50-60 Hz Input Voltage Range: +12VDC ± 5% | 
| On Screen Display (OSD) | Control(back): Power, Auto, Up, Down, Menu | 
| Power Consumption(Typ.) | 20W | 
| Speaker | 2×2 W | 
| Webcam | Optional | 
| Operating Altitude | ≦3000 m | 
| Temperature Range | Operating: 0℃ to 40℃, Storage: -20℃ to 60℃ | 
| Humidity (Non Condensing) | Operating: 20% to 80%, Storage: 10% to 90% | 
| I/O | HDMI, USB(Type A, for touch), MIRCO USB×4 | 
| Accessories | Cable: USB × 1, 1500mm Length | 
| Carton Box Dimensions | 630 mm(L) × 250 mm(W) × 430 mm(H) | 
| Weight | Net: 4.56 Kg Gross: 12.62 Kg | 
| MTBF | 30,000 hours demonstrated | 
| Agency Approvals | CCC, CE, FCC | 
| Warranty | 3 Years | 
| Ordering Information | ||
| Part Name | Part Number | Description | 
| OBL228-RC3000-UH2F0S-1.0 | 110302934R | 21.5”, 16:9, 250nits, P-Cap, USB, HDMI, Black | 
| Drawings and Spec Sheet | ||
| Spec Sheet | Download | |
| Dimensional Drawing | Download | |












