Dahua / HDCVI / 8MP / Eyeball Camera / 2.8mm Fixed Lens / Outdoor / IP67 / 30m Smart IR / 5 Year Warranty / DH-A81AJ22 Dahua

SLK-DH-A81AJ22

Experience the superior clarity of Dahua’s Ultra 4K HDCVI cameras for vast coverage and superior image details. Dahua Ultra 4K HDCVI series leverages existing coax infrastructures to deliver forensic-level images seamlessly and over long distances. The 4K HDCVI camera offers multiple output formats that are easily switchable. The camera is suitable for most applications, offering True Wide Dynamic Range for difficult lighting conditions, input voltage tolerance for inconsistent power supplies, and IP67 certification for operation in harsh outdoor environmental conditions

• 1/2.7-in. 8 MP Progressive-scan CMOS Sensor
• 3840 x 2160 at 15 fps Maximum Resolution
• 2.8 mm Fixed Lens
• True Wide Dynamic Range (120 dB) and 2D/3D Noise Reduction
• HDCVI, AHD, TVI, or CVBS Output, Switchable
• Maximum IR Length 30 m (98.43 ft), Smart IR
• IP67 Ingress Protection
• Five-year Warranty (applies to products sold through an authorized Dahua Dealer)
• Become a registered dealer of Dahua
• Call (855) 928-0349 for Dealer Prices!

 

Technical Specifications

Camera
Image Sensor	1/2.7-in. CMOS Sensor
Effective Pixels	3840 (H) x 2160 (V), 8 MP
Scanning System	Progressive
Electronic Shutter Speed	1/3 s to 1/100,000 s
Minimum Illumination	Color: 0.03 lux at F2.0, 30 IRE 0 lux with IR on
S/N Ratio	More than 65 dB
IR Distance	Up to 30.0 m (98.43 ft)
IR On/Off Control	Auto, Manual
IR LEDs	One (1)
Lens
Lens Type	Fixed-focal
Mount Type	M12
Focal Length	2.8 mm
Maximum Aperture	F2.0
Angle of View	Horizontal: 105° Vertical: 56° Diagonal: 125°
Iris Type	Fixed
Close Focus Distance	1000.0 mm (3.28 ft)
DORI Distances¹
Detect (8 ppf)	75 m (246 ft)
Observe (19 ppf)	30 m (98 ft)
Recognize (38 ppf)	15 m (49 ft)
Identify (76 ppf)	8 m (26 ft)
Pan/Tilt/Rotation
Range	Pan: 0° to 360° Tilt: 0° to 78° Rotation: 0° to 360°
Video
Resolution Output	8 MP (3840 x 2160), 6MP (2880×1920), 5 MP (2880 x 1620), 4 MP (2560 x 1440),1080P (1920 x 1080), 720P (1280×720), 960 H (960 × 480), D1 (704×480), CIF (352×240)
Frame Rate	HDCVI: 8 MP at 15 fps; 5 MP at 20 fps; 4 MP at 30 fps TVI: 8 MP at 15 fps; 5 MP at 20 fps; 4 MP at 30 fps ADH: 8 MP at 15 fps; 5 MP at 20 fps; 4 MP at 30 fps CVBS: NTSC
Video Output	One (1) BNC Output, HDCVI, AHD, TVI, CVBS switchable
Video Transmission³	RG-59/U Coax: 720p: 800 m (2624.67 ft), 1080p: 500 m (1640.42 ft), 4K: 500 m (1640.42 ft) RG-6/U Coax: 720p: 1200 m (3937.01 ft), 1080p: 800 m (2624.67 ft), 700 m (2296.59 ft) CAT 6 UTP: 720p: 450 m (1476.38 ft), 1080p: 300 m (984.25 ft), 4K: 300 m (984.25 ft)
Day/Night	Auto (ICR)
OSD Menu	Multi-language
BLC Mode	BLC, HLC, True WDR
WDR	120 dB
Gain Control	AGC
Noise Reduction	2D, 3D
White Balance	Auto, Manual
Advanced Features	Smart IR, Electronic Defog
Certifications
CE	EN55032; EN55024; EN50130-4
Safety	UL60950-1; CAN/CSA C22.2 No.60950-1
Electromagnetic Compatibility (EMC)	CFR 47 FCC Part 15 subpart B ANSI C63.4-2014
Electrical
Power Supply	12 VDC ±30%
Power Consumption	Maximum 5.2 W (12 VDC, IR on)
Environmental
Operating Conditions	–30° C to +60° C (–22° F to +140° F), Less than 95% RH, non-condensing Initiate startup above –30° C (–22° F)
Storage Conditions	–30° C to +60° C (–22° F to +140° F), Less than 95% RH, non-condensing
Ingress Protection	IP67
Construction
Casing	Metal
Dimensions	ø94.0 mm x 85.60 mm (ø3.70 in. x 3.37 in.)
Net Weight	0.31 kg (0.68 lb)
Gross Weight	0.44 kg (0.97 lb)

1. The DORI distance is a measure of the general proximity for a specific classification to help pinpoint the right camera for your needs. The DORI distance is calculated based on sensor specifications and lab test results according to EN 62676-4 , the standard that defines the criteria for the Detect, Observe, Recognize and Identify classifications. 2. Transmission distance results verified by real-scene testing in Dahua’s test laboratory. Actual transmission distances may vary due to external influences, cable quality, and wiring structures.

 

Downloads

• Data Sheet
• Installation Guide

Functions:

Long Distance Transmission
HDCVI technology guarantees real-time transmission over long distances without loss of video quality. HDCVI cameras provide the same resolution as most IP network camera systems using existing RG-59, RG-6, or CAT 6 UTP cabling.

Simplicity
HDCVI technology seamlessly integrates traditional analog surveillance systems with upgraded, high-quality HD video, making it the best choice to protect security investments. The plug and play approach enables full HD video surveillance without the hassles of configuring a network.

Multiple-format Support
The camera supports multiple video formats including, HDCVI, CVBS, AHD, and TVI. The camera can switch between these four formats via the OSD menu or the switch located on the video output cable, making the camera compatible with not only HDCVI DVRs but also most existing HD/ SD DVRs.

True Wide Dynamic Range
The camera achieves vivid images, even in the most intense contrast lighting conditions, using industry-leading wide dynamic range (WDR) technology. For applications with both bright and low lighting conditions that change quickly, True WDR (120 dB) optimizes both the bright and dark areas of a scene at the same time to provide usable video.

Advanced 3DNR
3DNR is noise reduction technology that detects and eliminates random noises by comparing two sequential frames. Dahua’s advanced 3DNR technology delivers remarkable noise reduction with little impact to sharpness, especially under limited lighting condition. 3DNR, in addition, effectively decreases the bandwidth and saves storage space.

Protection
The camera allows for ±30% input voltage tolerance, suitable for the most unstable conditions for outdoor applications. Its 4KV lightning rating provides effective protection for both the camera and its structure against lightning, and its IP67 ingress protection make it the choice for installation in even the most unforgiving environments.