Dahua TPC-SD8641B-1 Thermal Hybrid Speed Dome Camera

Out of stock
SKU: TPC-SD8641B-1
Regular price $12,600.00
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Most orders ship within 30 working days. Stock status shown on this page is not real-time.

After you place your order, please check the order confirmation email from our team. We will confirm stock, lead time and shipping before dispatch. If an item is out of stock, we may propose a compatible replacement model for your approval.

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Email sales@icctvzone.com or contact us.

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TPC-SD8641B

Thermal Network Hybrid Speed Dome Camera

> Vanadium oxide uncooled focal plane detector.
> 1/1.8" 4 megapixel progressive scan CMOS.
> Visible lens offers 45× optical zoom.
> Offers various AI functions such as boat, engineering truck and heat detection, tripwire, intrusion, target filtering, and alarm linkage, such as email alarm and external alarm.
> Faster and more precise when locating and capturing targets in light of the three dimensional positioning function.
> Auto rain-sensing for a clear view and a longer service life of the wiper.
> SD card storage and automatic network replenishment.
> IR illumination distance: 150 m.
> 7/2 Alarm in/out.
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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 (@f/1.0)

Focal Length

25 mm; 35 mm; 50 mm

Field of View

25 mm: H: 24.6°; V: 19.8°

35 mm: H: 17.6°; V: 14.1°

50 mm: H: 12.4°; V: 10°

Thermal Focus Control

Fixed-focal

Close Focus Distance

25 mm: 1 m (3.28 ft)

35 mm: 1 m (3.28 ft)

50 mm: 1 m (3.28 ft)

Detection Distance①

25 mm: Vehicle: 2,262 m (7,422.71 ft);

Human: 735 m (2,411.42 ft)

35 mm: Vehicle: 3,167 m (10,391.80 ft);

Human: 1,029m (3,375.98 ft)

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

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

Recognition Distance②

25 mm: Vehicle: 555 m (1,820.67 ft);

Human: 189 m (620.08 ft)

35 mm: Vehicle: 777 m (2,548.93 ft);

Human: 265 m (869.42 ft)

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

Human: 378 m (1,240.16 ft)

Identification Distance③

25 mm: Vehicle: 280 m (919.00 ft);

Human: 95 m (311.68 ft)

35 mm: Vehicle: 392 m (1,286.60 ft);

Human: 132 m (433.07 ft)

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

Human: 189 m (620.08 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

Digital Zoom

19 levels

Thermal AGC

Auto/Manual

Thermal Noise Reduction

2D NR/3D NR

Image Flip

180°; Mirror

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

1/1.8" CMOS

Max. Resolution

2688 (H) × 1520 (V)

Pixel

4 MP

Horizontal Definition

≥1200 TVL

Min. Illumination

Color: 0.001 lux@F1.4

Black & white: 0.0001 lux@F1.4

0 lux (IR on)

Visible AGC

Auto/Manual

Visible Noise Reduction

2D NR/3D NR

S/N Ratio

≥55 dB

White Balance

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

Defog

Electronic defog

Visible Image Stabilization

Electronic 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

Iris Control

Auto

Image Flip

Yes

Exposure Compensation

Yes

Visible Focus Control

Auto/semi-auto/manual

Focal Length

5.5 mm–248 mm

Zoom Speed

<7 s

Field of View

H: 62.32°–1.71°

V: 36.55°–1.0°

Close Focus Distance

0.5 m–2 m (1.64 ft–6.56 ft)

Optical Zoom

45×

Aperture

F1.4–F4.5

Illuminator On/Off Control

Auto/Manual

Illumination Distance

150 m (492.13 ft)

Audio and Video

Video Compression

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

Resolution

Thermal:

Main stream: 1280 × 1024; 1280 × 960 ; 720p (1280 × 720); 400

× 300; 1280 × 960 (default)

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

Visible:

Main stream: 4 MP (2688 × 1520); 4 MP (2560 × 1440); 1080p (1920 × 1080); 720p (1280 × 720); D1 (704 × 576); 1080p (default)

Sub stream: D1 (704 × 576); CIF (352 × 288); D1 (704 × 576) (default)

Video Frame Rate

Thermal:

50 Hz: (main stream) 1 fps–25 fps adjustable, 25 fps by

default; (sub stream) 1 fps–25 fps adjustable, 15 fps by

default

60 Hz: (main stream) 1 fps–30 fps adjustable, 30 fps by

default; (sub stream) 1 fps–30 fps adjustable, 15 fps

by default

Visible:

50 Hz: (main stream) 1 fps–25 fps adjustable, 25 fps by

default; (sub stream) 1 fps–25 fps adjustable, 15 fps by

default

60 Hz: (main stream) 1 fps–30 fps adjustable, 30 fps by

default; (sub stream) 1 fps–30 fps adjustable, 15 fps

by default

Audio Compression

G.711a; G.711mu; AAC

Image Encoding Format

JPEG

PTZ

Pan/Tilt Range

Pan: 0° to +360°

Tilt: –27° to +90°

Manual Control Speed

Pan: 0.1°/s to 200°/s

Tilt: 0.1°/s to 120°/s

Preset Speed

Pan: 0.1°/s to 240°/s

Tilt: 0.1°/s to 200°/s

Preset

300

Tour

8 (up to 32 presets per tour)

Pattern

5

Scan

5

Power-off Memory

Yes

Privacy Masking

4 by default

Idle Motion

Preset; Pattern; Tour; Scan; Horizontal Rotation

Timing Task

Preset; Pattern; Tour; Scan; Horizontal Rotation

Position Display

On/Off

Wiper

Auto rain-sensing. Supports setting wiper running times, frequency, and period.

3D Positioning

Yes

Function

Two-way Audio

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 (customizable)

Storage

Micro SD card

Micro SD Card (Max.)

512 GB

Interoperability

ONVIF; CGI; Dahua SDK

Browser

IE: IE8 and later
Chrome: 42 and earlier
Firefox: 42 and earlier

User/Host

Up to 20 (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

Cold/Hot Spot Trace

Yes

IVS (Perimeter Protection)

Yes. Supports tripwire and intrusion.

Target Distinction

Human/Vehicle Classification

Target Tracking

Yes

Target Filtering

Yes

Smoking Detection

Yes

Call Detection

Yes

Smoke Detection

Yes

Boat Detection

Yes

Engineering Truck Detection

Yes

Panoramic PTZ

Yes

Port

Analog Output

1 × CVBS output; BNC port

Network Port

1 × RJ-45 (10/100 Base-T)

Alarm Input

7

Alarm Output

2

Audio Input

1

Audio Output

1

RS-485

1

Power

Power Supply

36 VDC ± 25%

Power Consumption

Basic: 30 W

Max: 50 W (illuminator)

Environment

Operating Temperature

–40 °C to +70 °C (–40 °F to +158 °F)

Operating Humidity

≤95%

Storage Temperature

–50 °C to +80 °C (–58 °F to +176 °F)

Physical Characteristics

Protection

IP66

Reliability

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

Structure

Product Dimensions

300 mm × 300 mm × 500 mm (11.81" × 11.81" × 19.69") (L × W × H)

Packaging Dimensions

435 mm × 435 mm × 666 mm (17.13" × 17.13" × 26.22") (L × W × H)

Net Weight

≤13 kg (28.66 lb)

Gross Weight

≤16 kg (35.27 lb)

Heat Detection Distance

Focal Length

Max. Distance

25 mm

1,548 m (5,078.74 ft)

35 mm

2,167 m (7,109.58 ft)

50 mm

3,096 m (10,127.48 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)

25 mm

175 m (574.15 ft)

525 m (1,722.44 ft)

35 mm

245 m (803.81 ft)

735 m (2,411.42 ft)

50 mm

350 m (1,148.29 ft)

1,050 m (3,444.88 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.

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Order & Pricing Information for Surveillance Products

Please note the following important details when ordering surveillance products from ICCTVZONE:

  • Order confirmation: After you place an order, please check the confirmation email from our team. We will confirm stock, lead time and shipping before dispatch.
  • Stock & replacements: Inventory status is not real-time. If an item is out of stock, we may propose a compatible replacement model for your approval.
  • Final pricing: Prices shown are indicative. The final price is confirmed on the Proforma Invoice (PI) after order confirmation.
  • Project-specific pricing: Some products are configured for project requirements; pricing may vary with quantity and specification.
  • Minimum order: A minimum order value may apply to non-stock or project items; our team will confirm before processing.
  • Shipping costs: Shipping is calculated separately and added to the order total.
  • Duties & taxes: Import duties, taxes and customs clearance fees are not included in the product price or shipping quote. These charges are the customer's responsibility.
  • Genuine products: We supply genuine products from leading brands with current firmware.
  • Technical support: Our engineers provide pre-sales and after-sales technical support.
  • Warranty: Warranty terms depend on the product and order type; we will confirm the applicable coverage in writing.

Questions? Contact sales@icctvzone.com.

Why this model

Product Features

What this model is for, what it does well, and what to confirm before it goes on a project.

Best for

Long-range perimeter and critical-site surveillance where thermal detection and visible zoom confirmation are needed day or night.

Before you orderConfirm the required thermal focal length option and verify that your recorder, power and network setup support this camera before ordering.
01
Dual Thermal and Visible

Combine a vanadium oxide thermal detector with a 4MP visible sensor for detection and visual confirmation in one camera.

02
Long-Range Thermal Detection

Fixed-focal thermal options support extended vehicle and human detection distances for wide perimeter coverage.

03
AI Alarm Linkage

Built-in AI functions such as tripwire, intrusion and heat detection can trigger email and external alarm responses.

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