دوربین داهوا مدل IPC-HFW2831T-AS-S2

Camera

Image Sensor

1/2.7” 8Megapixel progressive CMOS

Max. Resolution

3840 (H) × 2160 (V)

ROM

128 MB

RAM

256 MB

Scanning System

Progressive

Electronic Shutter Speed

Auto/Manual 1/3 s–1/100,000 s

Min. Illumination

0.009 Lux@F2.0

S/N Ratio

> 56 dB

Illumination Distance

80 m (262.5 ft)

Illuminator On/Off Control

Auto/Manual

Illuminator Number

4 (IR LED)

Pan/Tilt/Rotation Range

Pan: 0°–360°

Tilt: 0°–90°

Rotation: 0°–360°

Lens

Lens Type

Fixed-focal

Mount Type

M12

Focal Length

3.6 mm

6 mm

Max. Aperture

3.6 mm: F2.0

6 mm: F2.0

Field of View

3.6 mm: Horizontal 87° × Vertical 47° × Diagonal 104°

6 mm: Horizontal 54° × Vertical 31° × Diagonal 61°

Iris Type

Fixed

Close Focus Distance

3.6 mm: 1.9 m (6.2 ft)

6 mm: 3.7 m (12.1 ft)

DORI Distance

Lens

Detect

Observe

Recognize

Identify

3.6 mm

106.7 m
(350.1 ft)

42.7 m
(140.1 ft)

21.3 m
(69.9 ft)

10.7 m
(35.1 ft)

6 mm

160 m
(524.9 ft)

64.0 m
(210.0 ft)

32.0 m
(105.0 ft)

16.0 m
(52.5 ft)

Smart Event

IVS

Tripwire; intrusion

Video

Video Compression

H.265; H.264; H.264B; MJPEG (only supported

by the sub stream)

Smart Codec

Smart H.265+/ Smart H.264+

Video Frame Rate

Main stream:

3840 × 2160 (1 fps–15 fps)

2688 × 1520 (1 fps–25/30 fps)

Sub stream:

704 × 576 (1 fps–25 fps)

704 × 480 (1 fps–30 fps)

Stream Capability

2 streams

Resolution

3840 × 2160 (3840 × 2160); 3072 × 2048 (3072 × 2048); 3072 ×1728 (3072 × 1728); 2592 × 1944 (2592 × 1944); 2688 × 1520 (2688 × 1520); 3M (2048 × 1536); 2304 × 1296 (2304 × 1296); 1080p (1920 × 1080); 1.3M (1280 × 960); 720p (1280 × 720); D1 (704 × 576/704 × 480); VGA (640 × 480); CIF (352 × 288/352 × 240)

Bit Rate Control

CBR/VBR

Video Bit Rate

H.264: 32 kbps–8192 kbps

H.265: 12 kbps–8192 kbps

Day/Night

Auto(ICR)/Color/B/W

BLC

Yes

HLC

Yes

WDR

120 dB

White Balance

Auto/natural/street lamp/outdoor/manual/regional custom

Gain Control

Auto/Manual

Noise Reduction

3D NR

Motion Detection

OFF/ON (4 areas, rectangular)

Region of Interest (RoI)

Yes (4 areas)

Smart Illumination

Yes

Image Rotation

0°/90°/180°/270° (Supports 90°/270° with 3840 × 2160 resolution and lower)

Mirror

Yes

Privacy Masking

4 areas

Audio

Audio Compression

G.711a; G.711Mu; G.726

Alarm

Alarm Event

No SD card; SD card full; SD card error; network disconnection; IP conflict; illegal access; motion detection; video tampering; tripwire; intrusion; audio detection; voltage detection; security exception; local alarm

Network

Network

RJ-45 (10/100 Base-T)

SDK and API

Yes

Cyber Security

Video encryption; firmware encryption; configuration encryption; Digest; WSSE; account lockout; security logs; IP/MAC filtering; generation and importing of X.509 certification; syslog; HTTPS; 802.1x; trusted boot; trusted execution; trusted upgrade

Protocol

IPv4; IPv6; HTTP; TCP; UDP; ARP; RTP ; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; PPPoE; Bonjour

Interoperability

ONVIF (Profile S/Profile G/Profile T); CGI; Milestone; Genetec; P2P

User/Host

20

Storage

FTP; SFTP; Micro SD Card (support max. 256 GB); NAS

Browser

IE
Chrome
Firefox

Management Software

Smart PSS; DSS; DMSS

Mobile Phone

IOS; Android

Certification

Certifications

CE-LVD: EN62368-1
CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU
FCC: 47 CFR FCC Part 15, Subpart B
UL/CUL: UL60950-1 CAN/CSA C22.2 No.60950-1-07

Port

Audio Input

1 channel (RCA port)

Audio Output

1 channel (RCA port)

Alarm Input

1 channel in: 5mA 3V–5V DC

Alarm Output

1 channel out: 300mA 12V DC

Power

Power Supply

12V DC/PoE (802.3af)

Power Consumption

< 8.4W

Environment

Operating Conditions

–40°C to +60°C (–40°F to +140°F)/less than ≤ 95% RH

Storage Temperature

–40°C to +60°C (–40°F to +140°F)

Protection

IP67; IK10(optional)

Structure

Casing

Metal

Dimensions

244.1 mm × Φ90.4 mm (9.61" × Φ3.26")

Net Weight

0.88 kg (1.9 lb)

Gross Weight

1.15 kg (2.5 lb)