Hikvision DS-2DF8A442NXG-EL 為8-inch 4MP 42X DarkFighter IR Network Speed Dome，HKEZIT 提供原廠行貨連保養、上門安裝、調試及使用教學一站式服務。詳細規格以下方原廠 Datasheet 欄位為準，歡迎聯絡我們查詢 DS-2DF8A442NXG-EL 香港價格連安裝報價。
| 影像感測器 | 1/1.8" progressive scan CMOS |
|---|---|
| 最低照度 | Color: 0.001 Lux @ (F1.2, AGC ON), B/W: 0.0005 Lux @ (F1.2，AGC ON), 0 Lux with IR |
| 快門速度 | 1/1 s to 1/30,000 s |
| 慢快門 | Yes |
| Day ＆ Night | IR cut filter |
| 變焦 | 42x optical, 16x digital |
| 最大解像度 | 2560 × 1440 |
| 對焦 | Auto, semi-auto, manual, rapid focus |
| 焦距 | 6.0 mm to 252 mm |
| 變焦速度 | Approx. 6 s Horizontal field of view: 56.6° to 1.7° (wide-tele), |
| 視場角 FOV | Vertical field of view: 33.7° to 0.9° (wide-tele), Diagonal field of view: 63.4° to 1.9° (wide-tele) |
| 光圈 | Max. F1.2 |
| 補光類型 | invisible IR |
| 補光距離 | 200m |
| 智能補光 | Yes |
| 水平旋轉 | 360° |
| 垂直旋轉 | -20° to 90° (auto flip) |
| 水平速度 | Pan speed: configurable from 0.1° to 210°/s; preset speed: 280°/s |
| 垂直速度 | Tilt speed: configurable from 0.1° to 150°/s, preset speed 250°/s |
| 比例變倍 | Yes |
| 預置位 | 300 |
| 巡航掃描 | 8 patrols, up to 32 presets for each patrol |
| 花樣掃描 | 4 pattern scans, record time over 10 minutes for each scan |
| 斷電記憶 | Yes Preset, pattern scan, patrol scan, auto scan, tilt scan, random scan, frame scan, panorama scan |
| PTZ 狀態顯示 | Yes |
| 預置位凍結 | Yes Preset, pattern scan, patrol scan, auto scan, tilt scan, random scan, frame scan, panorama scan, dome reboot, dome adjust, aux output 50 Hz: 25 fps (2560 × 1440, 1920 × 1080, 1280 × 960, 1280 × 720) 60 Hz: 30 fps (2560 × 1440, 1920 × 1080, 1280 × 960, 1280 × 720) 50 Hz: 25 fps (704 × 576, 640 × 480, 352 × 288) 60 Hz: 30 fps (704 × 480, 640 × 480, 352 × 240) 50 Hz: 25 fps (1920 × 1080, 1280 × 9 |
| 視頻壓縮 | Sub-stream: H.265/H.264/MJPEG Third stream: H.265/H.264/MJPEG |
| 視頻碼率 | 32 Kbps to 16384 Kbps |
| H.264 類型 | Baseline Profile/Main Profile/High Profile |
| H.265 類型 | Main Profile |
| SVC 分級編碼 | H.264 and H.265 encoding |
| 感興趣區域 ROI | 8 fixed regions for each stream |
| 音訊壓縮 | G.711alaw, G.711ulaw, G.722.1, G.726, MP2L2, PCM, AAC, MP3 |
| 音訊碼率 | 64 Kbps (G.711)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 160 Kbps (MP2L2) |
| 網絡儲存 | NAS (NFS, SMB/ CIFS), ANR IPv4/IPv6, HTTP, HTTPS, 802.1x, Qos, FTP, SMTP, UPnP, SNMP, DNS, DDNS, NTP, RTSP, RTCP, RTP, TCP/IP, DHCP, PPPoE, UDP, IGMP, ICMP, Bonjour ISUP, ISAPI, Hikvision SDK, Open Network Video Interface (Profile S, Profile G, Profile T), ezviz, OTAP |
| 同時取流 | Up to 20 channels |
| 用戶管理 | Up to 32 users. 3 levels: Administrator, Operator and User Password protection, complicated password, HTTPS encryption, 802.1X authentication (EAP-TLS, EAP-LEAP, EAP-MD5), watermark, IP address filter, basic and digest authentication for HTTP/HTTPS, RTP/RTSP over HTTPS, control timeout settings, security audit log, TLS 1.3, host authentication (MAC address) |
| 客戶端 | HikCentral, iVMS-4200, Hik-Connect |
| 瀏覽器 | IE11, Chrome 57.0+, Firefox 52.0+, Safari 11+ Saturation, brightness, contrast, sharpness, gain, and white balance adjustable by client software or web browser |
| 日夜模式 | Day, night, auto, scheduled-switch |
| 影像增強 | BLC, HLC, 3D DNR |
| 寬動態 WDR | 140 dB WDR |
| 除霧 | Optical defog |
| 防抖 | Yes. Built-in gyroscope to improve EIS performance. |
| Regional Exposure | Yes |
| Regional Focus | Yes |
| 隱私遮蔽 | Up to 24 masks, Quadriteral region, mosaic mask, mask color configurable |
| 信噪比 SNR | ≥ 52 dB |
| 網絡接口 | 1 RJ45 10M/100M self-adaptive Ethernet port |
| 機身儲存 | Built-in memory card slot, support MicroSD/MicroSDHC/MicroSDXC, up to 256 GB |
| 警報 | 7 inputs, 2 outputs 1 input (line in), max. input amplitude: 2-2.4 vpp, input impedance: 1 KΩ ± 10%; 1 output (line out), line level, output impedance: 600 Ω |
| Video Output | 1.0V[p-p]/75Ω, PAL, NTSC, BNC connector |
| RS-485 | HIKVISION, Pelco-P, Pelco-D, self-adaptive Motion detection, video tampering alarm, alarm input and output, Vandal-Proof Alarm，exception Line crossing detection, region entrance detection, unattended baggage detection, |
| 智能事件 | object removal detection, intrusion detection, region exiting detection, vandal-proof alarm, audio exception detection |
| Smart Tracking | Manual tracking, auto-tracking Alarm actions, such as Preset, Patrol Scan, Pattern Scan, Memory Card Video Record, |
| Alarm Linkage | Trigger Recording, Notify Surveillance Center, Upload to FTP/Memory Card/NAS, Send Email, Audio Linkage, etc. Support detecting up to 30 faces at the same time. Support detecting, tracking, |
| 人臉抓拍 | capturing, grading, selecting of face in motion, and output the best face picture of the face |
| Face Comparison | Yes Line crossing, intrusion, region entrance, region exiting Support alarm triggering by specified target types (human、vehicle and other) Support vehicle detection (license plate number,vehicle model, and vehicle color recognition) |
| 一般功能 | Mirror, password protection, watermark, IP address filter 24 VAC (Max. 60 W, including max. 18 W for IR and max. 6 W for heater), Hi-PoE (Max. 50 W, including max. 18 W for IR and max. 6 W for heater) |
| 工作環境 | Temperature: -40°C to 70°C (-40°F to 158°F), Humidity: ≤ 95% |
| 尺寸 | ⌀ 267 mm × 405 mm (⌀ 10.51" × 15.94") |
| 重量 | Approx. 8.5 kg (18.74 lb.) 33 languages: English, Russian, Estonian, Bulgarian, Hungarian, Greek, German, Italian, Czech, Slovak, French, Polish, Dutch, Portuguese, Spanish, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenian, Serbian, Turkish, Korean, Traditional Chinese, Thai, Vietnamese, Japanese, Latvian, Lithuanian, Portuguese (Brazil), Ukrainian FCC SDoC (47 CFR Part 15, Subpa |
| Safety | CE-LVD (EN 62368-1:2014+A11:2017), BIS (IS 13252(Part 1):2010+A1:2013+A2:2015); LOA (SANS IEC60950-1) CE-RoHS (2011/65/EU); WEEE (2012/19/EU); Reach (Regulation (EC) No 1907/2006) Protection Protection, ±6kV Line to Gnd, ±3kV Line to Line, IEC61000-4-5, IK10 |
* 規格以原廠最新 Datasheet 為準。
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⌀ 267 mm × 405 mm (⌀ 10.51" × 15.94")｜重量 Approx. 8.5 kg (18.74 lb.) 33 languages: English, Russian, Estonian, Bulgarian,
DS-2DF8A442NXG-EL Hikvision 8-inch 4MP 42X DarkFighter IR Network Speed Dome亦適合以下專業服務機構使用，保安同合規要求同一般商鋪唔一樣，歡迎查詢度身方案。
HKEZIT 提供原廠行貨連保養，DS-2DF8A442NXG-EL 原廠行貨連保養，提供上門評估、安裝、調試及使用教學一站式服務，全港 32 區均有服務。
支援 PoE 供電時一條網線同時傳輸數據與電力，無需另行鋪設電源線；詳細供電規格請參閱上方規格表，安裝時我們會按現場環境設計走線。
儲存時間取決於解像度、碼率及硬碟容量，配合 H.265+ 壓縮可大幅延長；透過 Hik-Connect App 可隨時遠程實時監看及回放，無需固定 IP。
兩者主要規格分別：影像感測器方面，DS-2DF8A442NXG-EL 係 1/1.8" progressive scan CMOS，DS-2XE6885G0-ILZHS 係 1/2″ Progressive Scan CMOS；快門速度方面，DS-2DF8A442NXG-EL 係 1/1 s to 1/30,000 s，DS-2XE6885G0-ILZHS 係 1 s to 1/100,000 s；最大解像度方面，DS-2DF8A442NXG-EL 係 2560 × 1440，DS-2XE6885G0-ILZHS 係 3840 × 2160。實際邊個型號更適合，需視乎現場環境同需求而定，可先比較 DS-2XE6885G0-ILZHS 詳細規格，或直接聯絡我們免費現場評估，由工程師建議最合適方案。
HKEZIT 提供 DS-2DF8A442NXG-EL 原廠行貨連保養，安裝後如有故障可直接聯絡我們安排上門維修，毋須自行聯絡原廠。詳情請參閱CCTV 監控安裝工程頁面或聯絡我們查詢保養範圍。
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