IPC-HUM4231-0280B-S2

Pinhole Series | DH-IPC-HUM4231-S2    www.dahuasecurity.com  DH-IPC-HUM4231-S2  2MP Fixed-focal Pinhole Network Camera    System Overview  Dahua Pinhole series network camera includes one-in-all camera and  separated camera. Separated camera can work with different lens to  meet the requirements in different installation scenes. Pinhole Series  camera is widely applied in hidden or small scenes such as banks and  advertising screen.  Functions  Smart Codec  With advanced scene-adaptive rate control algorithm, Dahua smart  encoding technology realizes the higher encoding efficiency than H.265  and H.264, provides high-quality video, and reduces the cost of storage  and transmission.  WDR  With advanced Wide Dynamic Range (WDR) technology, Dahua network  camera provides clear details in the environment of strong brightness  contrast. The bright and dark area can get clear video even in high  brightness environment or with backlight shadow.  Protection (wide voltage)  Wide voltage: The camera allows ±30% input voltage tolerance (wide  voltage range), and it is widely applied to outdoor environment with  instable voltage.  · 2MP, 1/2.8” CMOS image sensor, low illuminance, high image definit...

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Pinhole Series | DH-IPC-HUM4231-S2

www.dahuasecurity.com
DH-IPC-HUM4231-S2
2MP Fixed-focal Pinhole Network Camera

System Overview
Dahua Pinhole series network camera includes one-in-all camera and
separated camera. Separated camera can work with different lens to
meet the requirements in different installation scenes. Pinhole Series
camera is widely applied in hidden or small scenes such as banks and
advertising screen.
Functions
Smart Codec
With advanced scene-adaptive rate control algorithm, Dahua smart
encoding technology realizes the higher encoding efficiency than H.265
and H.264, provides high-quality video, and reduces the cost of storage
and transmission.
WDR
With advanced Wide Dynamic Range (WDR) technology, Dahua network
camera provides clear details in the environment of strong brightness
contrast. The bright and dark area can get clear video even in high
brightness environment or with backlight shadow.
Protection (wide voltage)
Wide voltage: The camera allows ±30% input voltage tolerance (wide
voltage range), and it is widely applied to outdoor environment with
instable voltage.
· 2MP, 1/2.8” CMOS image sensor, low illuminance, high image definition
· Outputs max. 2MP (1920 x 1080) @30 fps
· H.265 codec, high compression rate, ultra-low bit rate
· RoI, SMART H.264+/H.265+, flexible coding, applicable to various band
width and storage environments
· Rotation mode, WDR 120dB, 3D DNR, HLC, BLC, digital watermarking,
applicable to various monitoring scenes
· Intelligent detection: Tripwire and intrusion
· Abnormality detection: Motion detection, video tampering, scene chang
ing, audio detection, network disconnection, IP conflict, illegal access,
voltage detection
· Audio: 1 in, 1 out
· 12V DC power supply

WDR


Pinhole Series | DH-IPC-HUM4231-S2

Technical Specication
Camera
Image Sensor1/2.8”2Megapixel progressive CMOS
Effective Pixels1920 (H) x1080 (V)
ROM128 MB
RAM128 MB
Scanning SystemProgressive
S/N Ratio >56 dB
Electronic Shutter SpeedAuto/Manual 1/3 s–1/100,000 s
Min. Illumination0.005 Lux@F2.0
Lens
Lens TypeFixed-focal
Mount TypeM12
Focal Length2.8 mm
Max. ApertureF2.0
Field of ViewHorizontal: 108° x Vertical: 59° x Diagonal: 118°
Iris TypeFixed
Close Focus Distance0.6 m
DORI
Distance
LensDetectObserveRecognizeIdentify
2.8mm
42.1 m
(138.1 ft)
16.8 m
(55.1ft)
8.4 m
(27.6 ft)
4.2 m
(13.8 ft)
Smart Event
IVSTripwire; intrusion
Video
Video Compression
Main stream: H.264; H.264H; H.264b; H.265
Sub stream:H.264; H.264H; H.264b; H.265; MJPEG
Smart CodecYes
Video Frame Rate
Main stream: 1920 x 1080 @1-25/30 fps
Sub stream: 704 x 576 @25 fps; 704 x 480 @30 fps
Stream Capability2 streams
Resolution
Main stream: 1080P (1920 x 1080); 1.3M (1280 x 960);
720P (1280 x 720);
Sub stream:D1 (704 x 576/704 x 480); VGA (640 x 480);
CIF (352 x 288/352 x 240)
Bit Rate ControlCBR/VBR
Video Bit Rate
H.264: 3 kbps–6144kbps
H.265: 3 kbps–6144 kbps
BLCYes
HLCYes
WDR120 dB
White Balance
Auto/natural/street lamp/outdoor/manual/regional
custom
Gain ControlAuto/Manual
Noise Reduction3D DNR

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Motion DetectionOFF/ON (4 areas, rectangular)
Region of Interest (RoI)Yes (4 areas)
Image Rotation
0°/90°/180°/270° (Support 90°/270° with 1080p
resolution and lower.)
MirrorYes
Privacy Masking4 areas
Audio
Audio CompressionG.711A; G.711Mu; G.726; AAC
Network
NetworkRJ-45 (10/100 Base-T)
Protocol
IPv4; IPv6; HTTP; HTTPS; TCP; UDP; ARP; RTP; RTS;
RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS;
QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; SAMBA;
PPPoE; 802.1x; Bonjour
Interoperability
ONVIF (Profile S); CGI; Milestone; Genetec; Dahua
Cloud
User/Host20 (Total bandwidth: 64 M.)
Edge StorageFTP; SFTP; NAS
Browser
IE: IE8; IE9; IE11
Chrome
Firefox
Management SoftwareSmart PSS; DSS; DMSS
Mobile PhoneIOS; Android
Certifications
Certifications
CE-LVD: EN62368-1
CE-EMC: Electromagnetic Compatibility Directive
2014/30/EU
CE-RED: Radio Equipment Directive 2014/53/EU
FCC: 47 CFR FCC Part 15, Subpart B
UL/CUL: UL60950-1 CAN/CSA C22.2 No.60950-1-07
Port
Audio Input1 channel (RCA port)
Audio Output1 channel (RCA port)
Power
Power Supply12V DC
Power Consumption
Basic power consumption: 1.3W (12V DC)
Max. power consumption (IVS): 1.4W (12V DC)
Environment
Operating Conditions–40°C to +60°C (–40°F to +140°F)/Less than 95% RH
Strorage Conditions–40°C to +60°C (–40°F to +140°F)
Structure
CasingMetal
Dimensions34.6 mm x 44 mm x 30 mm (1.4" x 1.7" x 1.2")
Net Weight82 g (0.2 lb)
Gross Weight128 g (0.3 lb)


Pinhole Series | DH-IPC-HUM4231-S2
www.dahuasecurity.com

Rev 001.001 © 2019 Dahua. All rights reserved. Design and specifications are subject to change without notice.
Pictures in the document are for reference only, and the actual product shall prevail.

Dimensions (mm[inch])

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Type Part Number
Description
2MP Camera
DH-IPC-HUM4231P-S2
2MP Fixed-focal Pinhole Netwok Camera,
PAL
DH-IPC-HUM4231N-S2
2MP Fixed-focal Pinhole Netwok Camera,
NTSC
Accessories
(optional)
PFM900-E
Junction Box
PFM321D
DC12V1A Power Adapter

PFM900-E
Integrated Mount Tester

PFM321D
DC12V1A Power Adapter