DAHUA TPC-PT8441D-AC Thermal Network Anti-corrosion Multi-spectral Pan & Tilt Camera

Thermal

Detector Type

Vanadium oxide uncooled focal plane detector

Effective Pixels

400 (H) × 300 (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: 7.8°; V: 5.8°

75 mm: H: 5.2°; V: 3.9°

100 mm: H: 3.9°; V: 2.9°

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

19 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 × 960; 1280 × 720; 400 × 300; 1280 × 960 (default)

Sub stream: 640 × 512; 640 × 480; 400 × 300; 400 × 300 (default)

Visible:

Main stream: 2688 × 1520; 1920 × 1080; 1280 × 720; 704 × 576; 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

Network Protocol

HTTP; HTTPS; TCP; ARP; RTSP; RTP; UDP; RTCP; SMTP; FTP; DHCP; DNS; DDNS; PPPOE; IPv4/v6; SNMP; QoS; UPnP; NTP; Multicast; SFTP; 802.1x

Region of Interest (RoI)

Yes (customizable)

Storage

FTP; Micro SD card (256 G, hot swapping)

Interoperability

ONVIF; CGI; DaHuaSDK

Browser

IE: IE8 and later (includs the browsers with IE kernel, such as 360 Explorer, Sougou Explorer)

Chrome: 42 and earlier

Firefox: 42 and earlier

User/Host

Up to 12 (total bandwidth: 64 MB)

Security

Authorized username and password; attached MAC address; encrypted HTTPS; IEEE 802.1x; controlled network access

User Management

Up to 20 users; supports multi-level user permissions (2 levels): management group and user group

Malfunction Detection

Network disconnection detection; IP conflict detection; memory card state detection; memory space detection

PIP

Yes

Intelligence

Heat Detection

Yes. Marks the detected anomaly.

Cold/Hot Spot Trace

Yes

Perimeter Protection

Yes. Supports tripwire and intrusion.

Target Distinction

Human/Vehicle Classification

Target Filtering

Yes

Target Tracking

Yes

Smoke Detection

Yes

Boat Detection

Yes

Port

Analog Output

1 × CVBS output; BNC port

Network Port

1 × RJ-45 (10/100 Base-T)

Alarm Input

7

Alarm Output

2

Alarm Event

No SD card; low SD card space; SD card error; network disconnection; IP conflict; motion detection; video tampering; intrusion; tripwire; audio detection; defocus on thermal channel

Audio Input

1

Audio Output

1

RS-485

1

Power

Power Supply

Wide input voltage 24–57 VDC

Power Consumption

Basic: 39 W (illuminator off, heater off)

Max: 66 W (illuminator on, heater off); 89 W (illuminator on, heater on)

Environment

Operating Temperature

–40 °C to +70 °C (–40 °F to +158 °F)

Operating Humidity

≤95%

Storage Temperature

–40 °C to +70 °C (–40 °F to +158 °F)

Physical Characteristics

Protection

IP66

Product Dimensions

520 mm × 266 mm × 427 mm (20.47" × 10.47" × 16.81") (L × W × H)

Packaging Dimensions

722 mm × 675 mm × 443 mm (28.43" × 26.57" × 17.44") (L × W × H)

Net Weight

≤22 kg (48.50 lb)

Gross Weight

≤25 kg (55.12 lb)

Installation

Desk mount

Power Adapter

Included

Lens

Included

PTZ Outlet

Side

Certification

Certifications

CE; FCC; NEMA 4X

Heat Detection Distance

Focal Length

Max.Distance

50 mm

3,000 m (9,842.52 ft)

75 mm

4,500 m (14,763.78 ft)

100 mm

6,000 m (19,685.04 ft)

Note:

The table displays the measured distances obtained from using the target size 2 m × 2 m for testing in an environment where the temperature is 23 °C and the relative humidity is below 60%.

The table is for reference only. The distances within it are subject to actual conditions including atmospheric conditions, target size, the installation site, and more.

Perimeter Protection Distance

Focal Length

Distance (Human)

Distance (Vehicle)

50 mm

350 m (1,148.29 ft)

1,050 m (3,444.88 ft)

75 mm

525 m (1,722.44 ft)

1,575 m (5,167.32 ft)

100 mm

700 m (2,296.59 ft)

2,100 m (6,889.76 ft)

Note:

The table displays the measured distances obtained from using the target sizes

1.8 m × 0.5 m (human) and 1.4 m × 4 m (vehicle) for testing in an environment where the temperature is 23 °C and the relative humidity is below 60%.

The table is for reference only. The distances within it are subject to actual conditions including atmospheric conditions, target size, the installation site, and more.