SKU: 85523862482

DAHUA TPC-PT8641B Thermal Network Hybrid PTZ Camera

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Description

DAHUA TPC-PT8641B Thermal Network Hybrid PTZ CameraTPC PT8641B Thermal Network Hybrid PTZ Camera > Vanadium oxide uncooled focal plane detector. > 4Megapixel progressive scan CMOS. > Vari focus thermal lens. > Pan: 0 to 360, tilt: 45 to +60. > AI functions: heat detection, tripwire, intrusion, and human vehicle classification. > Auto rain sensing wiper. > Optical defog and Optical Image Stabilization (OIS). > Wide input voltage of 100 300 VAC. > IP66 rated. *********** Thermal Detector Type Vanadium

TPC-PT8641B

Thermal Network Hybrid PTZ Camera

> Vanadium oxide uncooled focal plane detector.

> 4Megapixel progressive scan CMOS.

> Vari-focus thermal lens.

> Pan: 0° to 360°, tilt: –45° to +60°.

> AI functions: heat detection, tripwire, intrusion, and human/vehicle classification.

> Auto rain-sensing wiper.

> Optical defog and Optical Image Stabilization (OIS).

> Wide input voltage of 100 –300 VAC.

> IP66 rated.

***********

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

100 mm; 150 mm; 20 mm–100 mm; 30 mm–150 mm;

38 mm–190 mm; 23 mm–230 mm

Field of View

100 mm: H: 6.2°; V: 5.0°

150 mm: H: 4.15°; V: 3.32°

20 mm–100 mm: H: 31.6°–6.2°; V: 25.1°–5°

30 mm–150 mm: H: 20.6°–4.2°; V: 16.5°–3.3°

38 mm–190 mm: H: 16.7°–3.5°; V: 12.5°–2.6°

23 mm–230 mm: H: 26.6°–2.7°; V: 21.4°–2.2°

Focus Control

Manual; Auto; Semi-auto

Close Focus Distance

100 mm: 5 m (16.4 ft)

150 mm: 15 m (49.21 ft)

20 mm–100 mm: 2 m (6.56 ft)

30 mm–150 mm: 5 m (16.4 ft)

38 mm–190 mm: 5 m (16.4 ft)

23 mm–230 mm: 2 m (6.56 ft)

Optical Zoom

100 mm: None

150 mm: None

20 mm–100 mm: 5×

30 mm–150 mm: 5×

38 mm–190 mm: 5×

23 mm–230 mm: 10×

Detection Distance

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

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

150 mm: Vehicle: 13,575 m (44,536.29 ft);

Human: 4,412 m (14,475.07 ft)

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

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

30 mm–150 mm: Vehicle: 13,575 m (44,536.29 ft); Human: 4,412 m (14,475.07 ft)

38 mm–190 mm: Vehicle: 17,195 m (56,412.63 ft); Human: 5,588 m (18,333.33 ft)

23 mm–230 mm: Vehicle: 20,814 m (68,288.98 ft); Human: 6,765 m (22,194.88 ft)

Recognition Distance

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

Human: 756 m (2,480.31 ft)

150 mm: Vehicle: 3,330 m (10,924.00 ft);

Human: 1,134 m (3,720.47 ft)

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

Human: 756 m (2,480.31 ft)

30 mm–150 mm: Vehicle: 3,330 m (10,924.00 ft);

Human: 1,134 m (3,720.47 ft)

38 mm–190 mm: Vehicle: 4,218 m (13,837.06 ft);

Human: 1,437 m (4,714.57 ft)

23 mm–230 mm: Vehicle: 5,105 m (16,750.13 ft);

Human: 1,739 m (5,705.38 ft)

Identification Distance

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

Human: 378 m (1,240.16 ft)

150 mm: Vehicle: 1,681 m (5,514.02 ft);

Human: 567 m (1,860.24 ft)

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

Human: 378 m (1,240.16 ft)

30 mm–150 mm: Vehicle: 1,681 m (5,514.02 ft);

Human: 567 m (1,860.24 ft)

38 mm–190 mm: Vehicle: 2,129 m (6,984.42 ft);

Human: 718 m (2,355.64 ft)

23 mm–230 mm: Vehicle: 2,577 m (8,454.83 ft);

Human: 870 m (2,854.33 ft 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

Horizontal Definition

6 mm–336 mm: Center ≥ 1200 TVL; Edge ≥ 900 TVL

10 mm–600 mm: Center ≥ 1200 TVL; Edge ≥ 900 TVL

10 mm–860 mm: Center ≥ 1100 TVL; Edge ≥ 900 TVL

Min. Illumination

6 mm–336 mm: Color: 0.005 [email protected];

Black & white: 0.0005 [email protected]

10 mm–600 mm: Color: 0.002 [email protected];

Black & white: 0.0005 [email protected]

10 mm–860 mm: Color: 0.001 [email protected] Black & white: 0.0001 [email protected]

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

6 mm–336 mm: Optical Image Stabilization

10 mm–600 mm: Electronic Image Stabilization (EIS)

10 mm–860 mm: Optical Image Stabilization

Electronic Shutter Speed

1 s–1/30,000 s (auto/manual)

BLC

Yes

WDR

Yes

HLC

Yes

Digital Zoom

16 ×

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; 10 mm–600 mm; 10 mm–860 mm

Zoom Speed

6 mm–336 mm: <6 s

10 mm–600 mm: <12 s

10 mm–860 mm: <12 s

Field of View

6 mm–336 mm: H: 64.4°–1.28° ; V: 38.37°–0.72°

10 mm–600 mm: H: 41.2°–1.2°; V: 22.6°–0.7°

10 mm–860 mm: H: 20.82°–0.5°; V: 11.9°–0.28°

Close Focus Distance

6 mm–336 mm: 0.1 m–5 m (0.33 ft–16.4 ft)

10 mm–600 mm: 1.5 m (4.92 ft)

10 mm–860 mm: 1.5 m–5 m (4.92 ft–16.4 ft)

Optical Zoom

6 mm–336 mm: 56 ×

10 mm–600 mm: 60 ×

10 mm–860 mm: 86 ×

Aperture

6 mm–336 mm: F1.5–F5.3

10 mm–600 mm: F1.8–F5.0

10 mm–860 mm: F3.6–F9.7

Audio and Video

Video Compression

H.265; H.264M; H.264H; H.264B

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; 2560 × 1440; 1920 × 1080; 1280 × 720; 704 × 576; 352 × 288; 2688 × 1520 (default)

Sub stream: 1280 × 720; 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 +60°

Manual Control Speed

Pan: 0.01°/s to 30°/s

Tilt: 0.01°/s to 15°/s

Preset Speed

Pan: 0.01°/s to 30°/s

Tilt: 0.01°/s to 15°/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; Pattern; Tour; Scan; Pan

Timing Task

Preset; Pattern; Tour; Horizontal Scan

Position Display

ON/OFF

Preset Video Freeze

Yes

PTZ Limit

Yes

Telephoto Speed Limit

Yes

Positioning Accuracy

± 0.1°

Wiper

Manual/Auto. 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

Storage

FTP; Micro SD card (optional)

Micro SD Card (Max.)

512 GB

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 automatically turns off when PIP is on)

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 (by pixel size)

Target Tracking

Manual tracking/alarm linking tracking

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

2

Alarm Output

1

Audio Input

1

Audio Output

1

RS-485

1

Power

Power Supply

100–300 VAC (adapter included)

Power Consumption

Basic: <100 W

Max: <210 W (heater on, illuminator off)

Environment

Operating Temperature

–40 °C to +70 °C (–40 °F to +158 °F)

Operating Humidity

≤95%

Storage Temperature

–40 °C to +80 °C (–40 °F to +176 °F)

Physical Characteristics

Protection

IP66

Reliability

Surge protection: 6 kV

Air discharge: 15 kV

Contact discharge: 8 kV

Structure

Product Dimensions

640 mm × 400 mm × 615.2 mm (25.2" × 15.75" × 24.22") (L × W × H)

Packaging Dimensions

877 mm × 567 mm × 892 mm (34.53" × 22.32" × 35.12") (L × W × H)

Net Weight

≤50 kg (110.23 lb)

Gross Weight

≤75 kg (165.35 lb)

Heat Detection Distance

Focal Length

Max. Distance

100 mm

6,000 m (19,685.04 ft)

150 mm

9,000 m (29,527.56 ft)

20 mm–100 mm

6,000 m (19,685.04 ft)

30 mm–150 mm

9,000 m (29,527.56 ft)

38 mm–190 mm

11,400 m (37,401.57 ft)

23 mm–230 mm

13,800 m (45,275.59 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)

100 mm

700 m (2,296.59 ft)

2,100 m (6,889.76 ft)

150 mm

1,050 m (3,444.88 ft)

3,150 m (10,334.65 ft)

20 mm–100 mm

700 m (2,296.59 ft)

2,100 m (6,889.76 ft)

30 mm–150 mm

1,050 m (3,444.88 ft)

3,150 m (10,334.65 ft)

38 mm–190 mm

1,330 m (4,363.52 ft)

3,990 m (13,090.55 ft)

23 mm–230 mm

1,610 m (5,282.15 ft)

4,830 m (15,846.46 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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SKU: 85523862482

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4.2 ★★★★★
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Product Reviews
K
KE
Lexington, US
★★★★★ 5
Great Story!!
Format: Kindle
This was a great story however, it did seem a little short. Maybe a little rushed, but that could also be because I wanted a little more development of the characters as a family :). Also, I love how this story doesn’t seem like there are two different authors! Whew :). I love that!!! The only real criticism I have is that there are too many characters with names that start with the letter “T” and it makes reading the story a little confusing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 9, 2025
J
JGnAG
Lake Worth, US
★★★★★ 5
Suspense and sexy
Format: Kindle
An very interesting spice of sexy and suspense with quirky and funny dialog that brings out the best of each one. Worth the read.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 18, 2025
J
J. Allen
West Palm Beach, US
★★★★★ 4
reverse harem with heart and a HEA
Format: Kindle
Author duo Sasha Moon and Cassie Cole delivered a well written reverse harem romance read in Billionaire's Nanny. Our female lead Tessa starts as a server at an event and meets a sweet lil girl Tabitha. Damian is Tabitha's father and after the event all he hears about it Tessa and so, in his billionaire style shows up unannounced to offer Tessa a job as Tabitha's nanny that she can't refuse. Damian may be the beginning but there is also Theo, head of security and Nico, chauffeur and chef. These three go everywhere together. I love how our authors introduce us to the art world, exotic places traveled. They weave together the heat and sweet so well and I love that there is a storyline with mystery, heart just as much as the heat the characters bring. A wonderful HEA is to be had as well! A really good read! I received a free copy of this book via Booksprout and am voluntarily leaving a review.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 11, 2025
L
Lil Ms Reads A LOT
Omaha, US
★★★★★ 5
So many plot twists and turns!
Format: Kindle
In Billionaire's Nanny, Tessa is a catering waitress. While working an event, she encounters Tabitha, a precocious 6 year old who is bored and seeking her own form of entertainment when left to entertain herself at her father's event. Taking the child under her wings and keeping her out of trouble, little does Tessa know that with that simple act, the trajectory of her life will forever be altered. Damian is Tabitha's father. He's wildly successful in the art world and a billionaire. Theo is his body guard and head of security, while Nico is his chauffeur (of any form of transportation that moves) and personal chef. The three travel everywhere together. Damian is out to right the wrongs of the previous generations of his family. He wants his daughter to be proud of her legacy and he will do anything to ensure that she has this opportunity, even if it requires lying, stealing and riding the fine line between what is morally and legally right and wrong. In order to do this, he desperately needs the help of someone he trusts to watch over his daughter. Tabitha won't stop talking about Tessa and the time they spent together at the event. Without notice, Damian shows up on Tessa's doorstep and orders her to join them as Tabitha's nanny. Needing the money to help care for her siblings, Tessa agrees. What ensues is a quest for Tessa to learn who to trust. There is an air of mystery continually surrounding the three men that leaves Tessa feeling uneasy. Secretive meetings and phone calls. Continually jet setting from country to country. Locked vaults and rooms depicted on doll houses as nothing more than empty spaces. Who are these men? Are they good guys or bad? Tessa struggles with her growing feelings as she finds herself equally attracted to them all. As each man spends more time with Tessa and finds himself intrigued by her, each wants her for himself. These are three alpha males all vying for pole position in Tessa's heart. Little do they know, Tessa isn't interested in having only one in pole position. For her, it's all or nothing. Will they be able to give up ultimate control and learn to share? Authors Sasha Moon and Cassie Cole have done it again! This is an extremely well developed novel. Normally I am quick to determine the plot and the direction it's taking. If there's a mystery in a plot, I've usually solved it by 25% of the way into the book. The plot of this book was hard to guess, which is actually what makes this book so fantastic! I love the twists and the turns; the hint at explanations without actually not explaining much of anything at all. LOL It kept me engrossed and wanting to know what the heck was going on. The authors did a fabulous job of slowly dispersing tidbits of plot weaving intrigue and mystery throughout the entire length of the book. This book kept me focused the entire time I was reading it. I love that Tessa is a strong female lead. She isn't afraid to back down or ask questions when things don't make sense. She also has a soft side that just wants to be loved and to feel affection. She is like a mollusk, hard on the outside yet soft on the inside and in her heart. As much as she would like to trust, she has learned that you cannot blindly trust. So she asked questions. She watches. She tries to determine if her employer Damian is truly an individual that is upstanding and one whom she can trust with her life and her heart. The three men in the story are harder for the reader to get to know, especially Damian's character. The author slowly feeds you information with regards to their personalities, but even with the air of mystery surrounding them, there's something likeable about each of them. I couldn't help rooting for them all to get their HEA. This book is an absolute definite must read!
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Reviewed in the United States on October 8, 2025
A
Ashley G.
Lexington, US
★★★★★ 3
Not your average Billionaire's Nanny
Format: Kindle
A unique twist on a Billionaires Nanny plot. I was immediately drawn into the story and it kept me guessing on how it would unfold. The chemistry between Tessa, Damien, Theo and Nico was HOT. The spicy scenes were intense and everything you would expect from a Cassie Cole book. I had a difficult time connecting with Tessa. Some of her actions and unexplained entitlement to know everything going on around her seemed off to me but Theo was my absolute favorite.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 7, 2025

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