DS-2DF4220-DX(W/316L)
Thương hiệu:
Hikvision
4-inch 20x Explosion-proof Network Speed Dome
- Ex-mark: ATEX: Ex II 2GD Ex db IIC T6 Gb /Ex tb IIIC T80℃ Db; IECEx: Ex db IIC T6 Gb /Ex tb IIIC T80℃ Db
- 316L Stainless Steel
- Supports H.265 video compression
- Certificate No.：ATEX：SEV 20 ATEX 0415 X；IECEx：IECEx NEP 20.0018X
- 20 × optical zoom, focal length 4.7 mm to 94 mm
- 2 MP 1/2.8″ progressive scan CMOS
- Digital WDR, 3D DNR
- High quality imaging with high-perfomance sensor
Brochure:
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- Camera
- Image Sensor1/2.8″ progressive scan CMOS
- Min. Illumination
Color: 0.015 Lux @ (F2.8, AGC ON)
B/W: 0.003 Lux @ (F2.8, AGC ON)
- Shutter Speed1/1 s to 1/30,000 s
- Slow Shutteryes
- Focussemi-auto;manual;auto
- Day & NightICR
- Day/Night Switchday,night,auto,scheduled-switch
- WDRdigital WDR
- HLCyes
- 3D DNRyes
- Defogyes
- EISyes
- Regional Exposureyes
- Regional Focusyes
- Image Settingssaturation, brightness, contrast, sharpness
- Image Parameters Switchyes
- White Balanceauto;MWB;ATW;indoor;outdoor;sodium lamp;fluorescent lamp
- Digital Zoom16x
- Optical Zoom20X
- Privacy Maskup to 24 masks;mask color configurable
- SNR＞55dB
- General Functionmirror, password protection, watermark, IP address filter
- Gain Controlauto;manual
- Lens
- Focal Length4.7 mm to 94 mm, 20 × optical zoom
- Zoom SpeedApprox. 3.4 s
- FOV
horizontal FOV: 54.5° to 4° (Wide-Tele)
vertical FOV: 31.5° to 2.5°(Wide-Tele)
diagonal FOV: 61.5° to 4.5°(Wide-Tele)
- ApertureF2.8
- …
