DAHUA TPC-BF2241 Thermal Network Hybrid Bullet Camera

Thermal

Detector Type

Vanadium oxide uncooled focal plane detector

Effective Pixels

256 (H) × 192 (V)

Pixel Pitch

12 μm

Spectral Range

8 μm–14 μm

Sensitivity (NETD)

≤40 mK@f/1.0

Focal Length

3.5 mm; 7 mm

Field of View

3.5 mm: H: 50.6°; V: 37.8°
7 mm: H: 24°; V: 18°

Thermal Focus Control

Fixed-focal

Close Focus Distance

3.5 mm: 0.5 m (1.64 ft)
7 mm: 1 m (3.28 ft)

Detection Distance①

3.5 mm: Vehicle: 449 m (1,472.17 ft);
Human: 146 m (479.00 ft)

7 mm: Vehicle: 897 m (2,944.34 ft);

Human: 292 m (958.01 ft)

Recognition Distance②

3.5 mm: Vehicle: 110 m (361.10 ft);

Human: 38 m (124.67 ft)

7 mm: Vehicle: 220 m (722.20 ft);

Human: 75 m (246.06 ft)

Identification Distance③

3.5 mm: Vehicle: 56 m (182.27 ft);

Human: 19 m (62.34 ft)

7 mm: Vehicle: 111 m (364.54 ft);

Human: 38 m (124.67 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

Thermal Image Stabilization

Electronic Image Stabilization (EIS)

Digital Zoom

16 levels

Thermal AGC

Auto/Manual

Thermal Noise Reduction

2D NR/3D NR

Image Flip

90°; 180°; 270°

Color Palettes

18 (white hot/black hot/fusion/rainbow/golden autumn/midday/iron red/amber/jade/sunset/icefire/painting/pomegranate/emerald /spring/summer/autumn/winter)

Visible

Image Sensor

1/2.7" CMOS

Max. Resolution

2336 (H) × 1752 (V)

Pixel

4 MP

Horizontal Definition

≥1600 TVL

Min. Illumination

Color: 0.05 lux
B/W: 0.005 lux
0 lux (IR on)

Visible AGC

Auto/Manual

Visible Noise Reduction

2D NR/3D NR

S/N Ratio

≥55 dB

White Balance

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

Defog

Electronic defog

Electronic Shutter Speed

1 s–1/30,000 s (auto/manual)

BLC

Yes

WDR

DWDR

HLC

Yes

Day/Night

Auto (ICR); Color; B/W

Iris Control

Fixed

Image Flip

90°; 180°; 270°

Exposure Compensation

Yes

Visible Focus Control

Fixed-focal

Focal Length

4 mm; 8 mm

Field of View

4 mm: H: 71.2°; V: 52°
8 mm: H: 33.4°; V: 25°

Close Focus Distance

4 mm: 1 m (3.28 ft)
8 mm: 2.5 m (8.20 ft)

Aperture

4 mm: F1.6
8 mm: F2.0

Illuminator On/Off Control

Auto/Manual

Illumination Distance

4 mm: ≥35 m (114.83 ft)
8 mm: ≥50 m (164.04 ft)

Audio and Video

Video Compression

H.265; H.264; H.264H; H.264B; MJPEG

Resolution

Thermal:
Main stream: 1.3M (1280 × 960); XVGA (1024 × 768); VGA (640 ×480/256 × 192); 1280 × 960 (default)
Sub stream: VGA (640 ×480/256 × 192); 256 × 192 (default)
Visible:
Main stream: 2336 × 1752; 1080p (1920 × 1080); 720p (1280 × 720); D1 (704 × 576); 2336 × 1752 (default)
Sub stream: 720p (1280 × 720); D1 (704 × 576); CIF (352 × 288); 352 × 288 (default)

Video Frame Rate

Thermal:
Main stream: 1 fps–25 fps, 25 fps by default
Sub stream: 1 fps–25 fps, 15 fps by default
Visible:
Main stream: 1 fps–25 fps, 25 fps by default
Sub stream: 1 fps–25 fps, 15 fps by default

Audio Compression

G.711a; G.711mu; PCM

Image Encoding Format

JPEG

Function

Two-way Audio

Yes

Sound and Light Alarm

Yes

Network Protocol

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

Region of Interest (RoI)

Yes

Storage

Micro SD card

Micro SD Card (Max.)

256 GB

Interoperability

ONVIF; CGI; Dahua SDK

Browser

IE: IE 9 and later (Edge is not supported)
Chrome: 42 and earlier
Firefox: 42 and earlier

User/Host

Up to 10 (total bandwidth: 100 MB)

Security

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

User Management

Up to 10 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

Fusion Mode

Warm color; cold color; fuse with iron oxide red

PIP

Yes (Intelligence automatically turns off when PIP is on)

Intelligence

Heat Detection

Yes

Cold/Hot Spot Trace

Yes

IVS (Perimeter Protection)

Yes. Supports tripwire and intrusion.

Target Distinction

Human/Vehicle Classification

Smoking Detection

Yes

Call Detection

Yes

Port

Network Port

1 × RJ-45 (10/100 Base-T)

Alarm Input

1

Alarm Output

1

Audio Input

1

Audio Output

1

RS-485

1

Power

Power Supply

12 VDC, 1 A ± 20%, PoE (802.3af)

Power Consumption

Basic: <5.0 W (12 VDC); 4.8 W (PoE)
Max: <12 W (12 VDC); 12.3 W (PoE)

ePoE

Yes

Environment

Operating Temperature

–30 °C to +60 °C (–22 °F to +140 °F)

Operating Humidity

≤95%

Storage Temperature

–40 °C to +70 °C (–40 °F to +158 °F)

Physical Characteristics

Protection

IP67

Reliability

Surge protection: 6 kV
Air discharge of 15 kV
Contact discharge of 8 kV

Structure

Product Dimensions

279.9 mm × 103.8 mm × 95.8 mm (10.31" × 0.46" ×
4.35") (L × W × H)

Packaging Dimensions

365 mm × 175 mm × 176 mm (14.37" × 6.89" ×
6.92") (L × W × H)

Net Weight

≤1.4 kg (3.09 lb)

Gross Weight

≤1.9 kg (4.19 lb)

Heat Detection Distance

Focal Length

Max. Distance

3.5 mm

22 m (72.18 ft)

7 mm

40 m (131.23 ft)

Note:
The table displays the measured distances obtained from using the target size 0.2 m × 0.2 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)

3.5 mm

24.5 m (80.38 ft)

72.5 m (237.86 ft)

7 mm

49 m (160.76 ft)

146.5 m (480.64 ft)

Note:

The table displays the optimal distance obtained from using the target sizes 1.8 m × 0.5 m (human) and 4 m × 1.4 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.