TPC-PT8641D-AC

Thermal

Detector Type

Vanadium oxide uncooled focal plane detector

Effective Pixels

640 (H) × 512 (V)

Pixel Pitch

17 μm

Spectral Range

8 μm–14 μm

Sensitivity (NETD)

≤35 mK

Focal Length

50 mm; 75 mm; 100 mm

Field of View

50 mm: H: 12.4°; V: 9.9°

75 mm: H: 8.3°; V: 6.6°

100 mm: H: 6.2°; V: 5.0°

Focus Control

Auto; Manual

Aperture

50 mm: F1.0

75 mm: F1.0

100 mm: F1.1

Detection Distance①

50 mm: Vehicle: 4,525 m (14,845.43 ft);

Human: 1,471 m (4,826.12 ft)

75 mm: Vehicle: 6,787 m (22,268.14 ft);

Human: 2,206 m (7,237.53 ft)

100 mm: Vehicle: 9,050 m (29,690.86 ft);

Human: 2,941 m (9,648.95 ft)

Recognition Distance②

50 mm: Vehicle: 1,110 m (3,641.33 ft);

Human: 378 m (1,240.16 ft)

75 mm: Vehicle: 1,665 m (5,462.00 ft);

Human: 567 m (1,860.24 ft)

100 mm: Vehicle: 2,220 m (7,282.66 ft);

Human: 756 m (2,480.31 ft)

Identification Distance③

50 mm: Vehicle: 560 m (1,838.01 ft);

Human: 189 m (620.08 ft)

75 mm: Vehicle: 840 m (2,757.01 ft);

Human: 284 m (931.76 ft)

100 mm: Vehicle: 1,120 m (3,676.01 ft);

Human: 378 m (1,240.16 ft)

Note:

①Detection Distance: Detects objects, but cannot recognize their characteristics (objects must cover more than 3.6 pixels of the image).

②Recognition Distance: Classifies objects into general categories, such as human, vehicle (the object must cover more than 14 pixels of the image).

③Identification Distance: Classifies objects into specific categories based on their characteristics, such as engineering truck, car (the object must cover more than 28 pixels of the image).

Digital Detail Enhancement (DDE)

Yes

Image Stabilization

Electronic Image Stabilization (EIS)

Digital Zoom

24 levels

AGC

Auto; Manual

Noise Reduction

2D NR; 3D NR

Image Flip

180°

Color Palettes

18 (white hot; black hot; fusion; rainbow; globow; ironbow1; ironbow2; sepia; color1; color2; icefire; rain; red hot; green hot; spring; summer; autumn; winter)

Visible

Image Sensor

1/1.8″ CMOS

Max. Resolution

2688 (H) × 1520 (V)

Pixel

4 MP

Min. Illumination

Color: 0.005 lux

Black & white: 0.0005 lux

0 lux (IR on)

AGC

Auto; Manual

Noise Reduction

2D NR; 3D NR

S/N Ratio

>55 dB

White Balance

Auto; manual; indoor; outdoor; tracking; sodium lamp; street lamp; natural

Defog

Optical defog

Image Stabilization

Optical Image Stabilization

Electronic Shutter Speed

1 s–1/30,000 s (auto/manual)

BLC

Yes

WDR

Yes

HLC

Yes

Digital Zoom

Yes

Day/Night

Auto (ICR); Color; B/W

Image Flip

180°

Exposure Compensation

Yes

Focus Control

Auto; semi-auto; manual

Focal Length

6 mm–336 mm

Zoom Speed

<3.5 s

Field of View

H: 64.4°–1.28°

V: 38.37°–0.72°

Close Focus Distance

0.1 m–5 m (0.33 ft–16.4 ft)

Optical Zoom

56×

Aperture

F1.5–F5.3

IR Illumination Distance

150 m (492.13 ft)

IR Illuminator On/Off Control

Auto; Manual

Audio and Video

Video Compression

H.265; H.264H; H.264

Resolution

Thermal:

Main stream: 1280 × 1024; 1280 × 720; 640 × 512;

1280 × 1024 (default)

Sub stream: 640 × 512; 320 × 256; 640 × 512 (default)

Visible:

Main stream: 2688 × 1520; 1280 × 720; 2688 × 1520 (default)

Sub stream: 704 × 576; 352 × 288; 352 × 288 (default)

Video Frame Rate

Thermal (50 Hz):

Main stream: 1 fps–25 fps, 25 fps by default

Sub stream: 1 fps–25 fps, 15 fps by default

Visible (50 Hz):

Main stream: 1 fps–25 fps, 25 fps by default

Sub stream: 1 fps–25 fps, 15 fps by default

Thermal (60 Hz):

Main stream: 1 fps–30 fps, 30 fps by default

Sub stream: 1 fps–30 fps, 15 fps by default

Visible (60 Hz):

Main stream: 1 fps–30 fps, 30 fps by default

Sub stream: 1 fps–30 fps, 15 fps by default

Audio Encoding

G.711a; G.711mu; PCM

Image Encoding Format

JPEG

PTZ

Pan/Tilt Range

Pan: 0° to 360° endless

Tilt: –45° to +90°

Manual Control Speed

Pan: 0.1°/s–140°/s

Tilt: 0.1°/s–50°/s

Preset Speed

Pan: 0.1°/s–140°/s

Tilt: 0.1°/s–50°/s

Preset

300

Tour

8 (up to 32 presets per tour)

Pattern

5

Scan

5

Power-off Memory

Yes

Privacy Masking

4 blocks

Idle Motion

Preset; auto pattern; auto tour; pan; progressive scan

Timing Task

Preset; auto pattern; auto tour; pan; progressive scan

Position Display

ON/OFF

Preset Video Freeze

Yes

Telephoto Speed Limit

Yes

Positioning Accuracy

± 0.1°

Wiper

Manual/Auto. Supports setting wiper running times, frequency, and period

3D Positioning

Yes

Laser Illumination (Optional)

Laser Illumination Consumption

Laser 800 m

4.2 ± 0.4 W

Laser 2 km

>12 W

Laser Illumination Wavelength

Laser 800 m

850 ± 10 nm

Laser 2 km

808 ± 5 nm

Laser Illumination Distance

Laser 800 m

≥800 m (2,624.67 ft)

Laser 2 km

≥2,000 m (6,561.67 ft)

Angle of Laser Illuminator

Laser 800 m

2° to 70° adjustable

Laser 2 km

0.56° to 45° adjustable

Laser Zoom Speed

Laser 800 m

<5 s

Laser 2 km

<3 s

Brightness Setting for Laser Illumination

Auto; Manual

Function

Two-way Audio

Yes

N

As an authorized Dahua distributor in Saudi Arabia, we deliver customized surveillance solutions to ensure your security and peace of mind. Choose Dahua for advanced security technology tailored to meet your specific needs.

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