Màn hình tương tác cảm ứng 75-inch HIKVISION DS-D5B75RB/EL
- Độ phân giải: UHD 4K 3840 × 2160.
- Hệ điều hành: Android 13.0.
- CPU: Cortex-A55 × 4 (1.92GHz).
- Độ sáng: 400 cd/m² (Typ.).
- Góc nhìn: 178°(H)/178°(V).
- Tích hợp 2 loa x 20W.
- Tích hợp Bluetooth 5.2.
- Kết nối mạng: LAN (100Mbps) × 2; Wifi AP&Station, 2.4G/5G.
- Màn cảm ứng đáp ứng nhanh với 40 điểm chạm.
- Thiết kế nhiều phím chức năng (mặt trước) thuận tiện cho việc dùng trong lớp học.
Thông số kỹ thuật
| Display | |
| Screen Size | 75 inch |
| Backlight | DLED |
| Pixel Pitch | 0.143 (H) mm × 0.430 (V) mm |
| Resolution | 3840 × 2160 @60 Hz |
| Brightness | 400 cd/m² (Typ.) |
| Color Depth | 10 bit |
| Display Color | 1.07G |
| Response Time | 8ms |
| Panel Type | IPS |
| Contrast Ratio | 1200:1 (Static) 15,000:1 (Dynamic) |
| Color Gamut | 72% NTSC (CIE1931) (Typ.) |
| Refresh Rate | 60 Hz |
| Viewing Angle | 178°(H)/178°(V) |
| Aspect Ratio | 16:9 |
| Surface Haze | 25% Haze |
| Display Area | 1649.66 mm × 927.94 mm |
| Working Duration | 7 × 16H |
| Surface Hardness | 9H |
| Surface Glass | 3.2 mm Anti-Glare Glass |
| Transmittance | 88% ± 3 |
| Lifespan | 50,000 hours |
| Touch | |
| Type | Infrared Touch Screen |
| Touch Point | 40 point multi-touch |
| Touch Response Time | <5 ms |
| Minimum Touch Object | ≥ 2 mm |
| Touch Precision | ± 1 mm (≥ 90% touching area) |
| Touch Resolution | 32768 x 32768 |
| Built-in System | |
| Operation System | Android 13.0 |
| Memory | 8 GB |
| Built-in Storage | 64 GB |
| CPU | Cortex-A55 x 4 (1.92GHz) |
| HDCP Version | Support 1.4/2.2/2.3 |
| GPU | Mali-G52 MP2 (2EE) |
| Internal Function | |
| Loudspeaker | Built-in 2 × 20 W |
| Speaker Frequency | 200-20Khz |
| Bluetooth | Built-in BLE (Bluetooth Low Energy) module supports Bluetooth 5.2 |
| NFC | Support card reader |
| Light Sensor | Yes |
| Interface | |
| Video & Audio Input | HDMI In (HDMI 2.0) × 2, Audio In × 1 |
| Video & audio output | Audio Out × 1 |
| Control interface | TOUCH-USB 2.0 × 1, RS232 × 1 |
| Network Interface | LAN (100 Mbps) × 2 WIFI AP&Station，2.4G/5G WIFI AP: IEEE 802.11 a/b/g/n/ac 2 × 2 MIMO (2.4 GHz and 5 GHz) authentication protocols WEP, WPA, WPA2, PSK and 802.1X EAP WIFI Station: IEEE 802.11 a/b/g/n/ac 1 × 1 MIMO (2.4 GHz and 5 GHz) authentication protocols WEP, WPA, WPA2, PSK and 802.1X EAP |
| Data Transmission Interface | USB 3.0 × 3, USB 2.0 × 2, Type-C × 1 (Type-C supports USB 2.0) |
| Power | |
| Power Supply | 100 to 240 VAC, 50/60 Hz |
| Standby Consumption | ≤ 0.5 W |
| Max. Consumption | 217 W |
| Average Consumption | 175 W |
| General | |
| Product Dimensions | 1713.23 mm × 1025.53 mm × 82.5 mm |
| VESA | 800 mm × 400 mm |
| Weight | 49.15 kg |
| Accessary | Wall mount bracket, hook, user manual, stylus × 2, packing list,1.5 m power cable (European standard), remote controller |
| Working Environment | |
| Working Temperature | 0 °C to 40 °C (32 °F to 104°F) |
| Working Humidity | 10%~90% RH |
- Bảo hành: 24 tháng.
