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Dahua Technology Releases 2025 ESG Report: Advancing Sustainable Development Through Digital Intelligence

2026-04-29

Dahua Technology Releases 2025 ESG Report: Advancing Sustainable Development Through Digital Intelligence

HAC-T1A51

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HDCVI Cameras
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HAC-T1A51

5MP HDCVI Fixed IR Eyeball Camera

Key Points

    * The parameters and datasheets below can only be applied to A51-S2 series.

    * In order to use the 5MP 16:9 HDCVI camera, the firmware of XVR must be upgraded to V4.001.0000001.0.R.200908 or later version.

    > Max. 25 fps@5MP (16:9 video output)

    > CVI/CVBS/AHD/TVI switchable

    > 3.6 mm fixed lens (2.8 mm optional)

    > Max. IR length 20 m, Smart IR

    > DC12V


Sales Enquiry
Datasheet

Specifications

Camera

Image Sensor

1/2.7" CMOS

Max. Resolution

2880 (H) × 1620 (V)

Pixel

5MP

Scanning System

Progressive

Electronic Shutter Speed

PAL: 1/25–1/100000 s

NTSC: 1/30–1/100000 s

Min. Illumination

0.02 Lux/F2.0, 30IRE, 0 Lux IR on

S/N Ratio

More than 65 dB

Illumination Distance

20 m (66 feet)

Illuminator On/Off Control

Auto;manual

Lens

Lens Type

Fixed lens / Fixed iris

Mount Type

M12

Focal Length

3.6mm (2.8mm Optional)

Max Aperture

F2.0

Angle of View

2.8 mm: 125° × 106° × 56°

(diagonal × horizontal × vertical)

3.6 mm: 104° × 88° × 46°

(diagonal × horizontal × vertical)

Focus Control

N/A

Close Focus Distance

2.8 mm: 0.8 m (2.6 ft)

3.6 mm: 1.2 m (3.9 ft)

DORI distance

Lens

Detect

Observe

Recognize

Identify

2.8mm

56.0 m

(183.7 ft)

22.4 m

(73.5 ft)

11.2 m

(36.7 ft)

5.6 m

(18.4 ft)

3.6mm

80 m

(262.5 ft)

32 m

(105.0 ft)

16 m

(52.5 ft)

8 m

(26.2 ft)

Pan / Tilt / Rotation

Pan/Tilt/Rotation

Pan: 0° – 360°

Tilt: 0° – 78°

Rotation: 0° – 360°

Video

Resolution

5M (2880 × 1620); 4M (2560 × 1440);

1080P (1920 × 1080);960H (960 × 576/960 × 480)

Frame Rate

CVI:

PAL:5M@25 fps; 4M@25 fps; 1080P@25 fps

NTSC:5M@25 fps; 4M@30 fps; 1080P@30 fps

AHD:

PAL:4M@25 fps;

NTSC:4M@30 fps;

TVI:

PAL:4M@25 fps;

NTSC:4M@30 fps;

CVBS:

960H;

Video Output

Video output choices of CVI/TVI/AHD/CVBS by one BNC port

Day/Night

Auto (ICR) / Manual

OSD Menu

Multi-language

BLC Mode

BLC / HLC / DWDR

WDR

DWDR

Gain Control

AGC

Noise Reduction

2D

White Balance

Auto;manual

Smart IR

Yes

Mirror

Off/On

Privacy Masking

Off / On (8 area, rectangle)

Certifications

Certifications

CE (EN55032, EN55024, EN50130-4,EN60950-1,

EN 62368-1:2014+A11:2017)

FCC (CFR 47 FCC Part 15 subpartB, ANSI C63.4-2014)

Interface

Audio Interface

N/A

Eelectrical

Power Supply

12V DC ±30%

Power Consumption

Max. 2.7W (12V DC, IR on)

Environmental

Operating Conditions

–40°C to +55°C (–40°F to +131°F) /Less than 95% RH

*Start up should be done at above –40°C (–40°F)

Storage Conditions

–40°C to +55°C (–40°F to +131°F) /Less than 95% RH

Ingress Protection & Vandal Resistance

NA

Construction

Casing

Plastic

Dimensions

φ85.4 mm × 68.8 mm (φ3.36 × 2.71")

Net Weight

0.09 kg (0.20 lb)

Gross Weight

0.14 kg (0.31 lb)

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