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Description
Dahua ESD8A1425-HNR-F 4MP 25 Starlight+ IR Explosion-proof CameraDahua ESD8A1425 HNR F 4MP 25x Starlight+ IR Explosion Proof PTZ Camera ATEX IECEx, 1862m DORI, Fiber Optic Key Performance Highlights Explosion Proof PTZ with Long Range IR & Fiber Optic 4MP High Quality Imaging & 25 Optical Zoom: 1 1. 8" CMOS, 5. 4135 mm motorized zoom lens capture expansive areas with exceptional detail. Explosion Proof Certified: ATEX & IECEx (Ex db IIC T6 Gb Ex tb IIIC T80C Db) safe for hazardous environments. Rugged Stainless
Dahua ESD8A1425-HNR-F 4MP 25x Starlight+ IR Explosion-Proof PTZ Camera – ATEX/IECEx, 1862m DORI, Fiber Optic
Key Performance Highlights – Explosion-Proof PTZ with Long-Range IR & Fiber Optic
- 4MP High-Quality Imaging & 25× Optical Zoom: 1/1.8" CMOS, 5.4–135 mm motorized zoom lens – capture expansive areas with exceptional detail.
- Explosion-Proof Certified: ATEX & IECEx (Ex db IIC T6 Gb / Ex tb IIIC T80°C Db) – safe for hazardous environments.
- Rugged Stainless Steel Construction: SUS316L high-strength casing, IP68 weatherproof, TVS 6000V surge protection.
- 100m IR Night Vision: 12 high-power IR LEDs provide long-range illumination with Zoom Prio control.
- Built-in Fiber Optic Port: Single-mode fiber (1310 nm TX/1550 nm RX), transmission distance up to 20 km (12.43 mi) – ideal for long-distance deployments.
- Advanced AI & Tracking: SMD 4.0, AutoTracking 3.0, face detection (6 attributes/8 expressions), IVS perimeter protection (tripwire, intrusion, loitering, parking, etc.), human/vehicle classification.
- Active Deterrence (Audio): 29 built-in voice alarms + 10 custom imports – volume and playback frequency adjustable (requires external speaker).
- Extreme DORI Distance: Tele end detect range up to 1,862 m (6,109 ft) – industry-leading long-range identification.
Camera Specification – 4MP Explosion-Proof PTZ
| Image Sensor | 1/1.8" CMOS |
|---|---|
| Max. Resolution | 4MP – 2560 (H) × 1440 (V) |
| ROM / RAM | 4 GB / 1 GB |
| Electronic Shutter Speed | 1 s – 1/30,000 s |
Lens & DORI Optics (25× Optical Zoom)
| Focal Length / Aperture | 5.4 mm – 135 mm (25× zoom) | F1.6–F4.0 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Field of View | H: 59.8°–2.8°; V: 33.7°–1.9°; D: 63.3°–4.0° | ||||||||||
| Focus Control / Iris Control | Auto; Semi-auto; Manual | Auto; Manual | ||||||||||
| Close Focus Distance | 0.1 m – 2.0 m (0.33 ft – 6.56 ft) | ||||||||||
| DORI Distance (EN-62676-4) |
|
Intelligence & Active Deterrence
| IVS (Perimeter Protection) | Tripwire, intrusion, crossing fence, loitering, abandoned/missing object, fast moving, parking detection, people gathering, human alarm classification, auto tracking. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Face Detection | 6 attributes + 8 expressions, face cutout (face/one‑inch photo), real‑time/quality‑first/optimization snapshot strategies. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Smart Tracking | AutoTracking 3.0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| SMD 4.0 | Smart Motion Detection with human/vehicle classification. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Active Deterrence – Sound Warning | 29 built‑in voice alarms + supports 10 custom voice imports; volume 0–100%; play times 1–10 adjustable (requires external speaker). |
| Compression / Smart Codec | Smart H.265+; H.265; Smart H.264+; H.264B; H.264M; H.264H; MJPEG (sub stream 1) | |||
|---|---|---|---|---|
| Streaming Capability | 3 streams | |||
| Resolution Options | 4M (2560×1440), 3M, 1080p, 1.3M, 720p, D1, VGA, CIF | |||
| Video Frame Rate | Main: 4M/3M/1080p/1.3M/720p @ 1–25/30 fps; Sub1: D1/VGA/CIF @ 1–25/30 fps; Sub2: 1080p/1.3M/720p @ 1–25/30 fps | |||
| Bit Rate Control / Bit Rate | VBR/CBR. H.264: 96–14848 kbps; H.265: 38–8960 kbps | |||
| WDR / Image Enhancements | 90 dB WDR, BLC, HLC, 2D/3D NR, ROI, Electronic Defog, EIS, Digital Zoom (16×), Image Rotation 180° | |||
| Privacy Masking | Up to 24 areas (max 8 in same view), multiple colors and mosaic available | |||
| Audio | 1 audio input + 1 audio output (bare wire); compression: PCM; G.711a; G.711Mu; G.726; MPEG2-Layer2; G722.1; G729; G723 |
| Pan/Tilt Range | Pan: 0°–360°, endless; Tilt: 0°–90°, auto flip 180° | |||
|---|---|---|---|---|
| Manual Control Speed | Pan: 0.1–70°/s; Tilt: 0.1–50°/s | |||
| Preset Speed | Pan: 70°/s; Tilt: 50°/s | |||
| Preset / Tour / Pattern / Scan | 300 presets, 8 tours, 5 patterns, 5 scans | |||
| Power-off Memory / Idle Motion | Yes; Preset/Pattern/Tour/Scan | |||
| PTZ Protocol | DH-SD; Pelco-P/D (auto recognition) |
| Network Port | RJ-45 (10/100 Base-T) | |||
|---|---|---|---|---|
| Fiber Optic Port | 100 M single fiber (1310 nm TX / 1550 nm RX), transmission distance: 20 km (12.43 mi) | |||
| Network Protocols | HTTP; HTTPS; TCP/IP; IPv4; RTSP; UDP; SMTP; NTP; DHCP; DNS; DDNS; IPv6; 802.1x; SSL; QoS; FTP; UPnP; SNMP; PPPoE; RTMP; Bonjour; SMB; NFS | |||
| Interoperability | ONVIF (Profile S/G/T); CGI; SDK | |||
| Local Storage | Micro SD card (max 512 GB); FTP/SFTP; NAS | |||
| User/Host / Bandwidth | 20 users (total bandwidth 64 Mbps) | |||
| Cybersecurity | WSSE, account lockout, HTTPS, IP/MAC filtering, security logs, trusted boot/execution/upgrade | Management Software / Browser | DMSS; DSS Pro; IE9+, Chrome 41+, Firefox 50+, Safari 10+; iOS/Android |
| RS-485 | 1 (baud rate 1200–9600 bps) |
|---|---|
| Audio I/O | 1 input + 1 output (bare wire) |
| Alarm Input / Output | 2 inputs + 1 output |
| Alarm Linkage | Capture; recording; email; preset; tour; pattern; alarm output; audio |
| Alarm Event | Motion/tampering; audio detection; network/IP conflict; SD card status; storage space |
| Power Supply | 100–240 VAC; 50/60 Hz |
|---|---|
| Power Consumption | Basic: 20 W; Max (IR + PTZ): 31.5 W (220 VAC) |
| Operating Temperature / Humidity | –40 °C to +60 °C (–40 °F to +140 °F) | ≤95% RH |
| Protection Ratings |
IP68 (weatherproof/submersible), TVS 6000V lightning/surge/voltage transient protection Explosion‑proof: ATEX (II 2G Ex db IIC T6 Gb, II 2D Ex tb IIIC T80°C Db) IECEx (Ex db IIC T6 Gb, Ex tb IIIC T80°C Db) |
| Certifications | ATEX: EN IEC 60079-0/EN 60079-1/EN 60079-31/EN IEC 60079-31; IECEx: IEC 60079-0/IEC 60079-1/IEC 60079-31 |
Physical Structure
| Casing Material | SUS316L stainless steel |
|---|---|
| Product Dimensions | 512.2 mm × 261.5 mm × 362.7 mm (20.17" × 10.3" × 14.28") (L×W×H) |
| Net Weight / Gross Weight | 19.3 kg (42.55 lb) / 65.6 kg (144.62 lb) |
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Exchange/Return Notes
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4.1 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Essential History for Retaining Reason and Rationality for Guiding the Nation
Awesome book on the History of people, themes and big money, corporate used in an attempt to make one religion the National Religion while neutering the First Amendment. It is true to it's title in detailing how Corporations and Religion came together to fight the New Deal of FDR. These two self serving entities fought for control of the people but did almost nothing to avert wide spread hunger and homelessness in the depression. The fortunes of corporations and insistence of religions on controlling the minds of people to produce jobs in their own occupations outweighed the immediate needs of the jobless and homeless. The opulent lifestyles of the big religions and their organizers came first over the health and welfare of the country, just like it had in Medieval Europe, where the Aristocrats and the Christian Churches ran the Continent. These two institutions were responsible for keeping Democracy out of Europe and ultimately creating the Soviet Revolutions in Russia that attempted to spread to the rest of the World. What is clear, from many books on this subject, that "Under God" means being subservient to God, the word of which comes from God's messengers. Subservience Under God means that when the opinions of the People differ from those of God as told through the Messenger, then God wins and the People Shut Up. Those that don't face stiff penalties. Fabulous History that everyone should know if they want to perpetuate a Democracy. The Roman Empire was "One Nation Under God", because the Christian Religion was the only legal Religion and it had only One God - no others were allowed and this was enforced with the sword. Rome will return to America if we are not careful.
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Reviewed in the United States on October 22, 2015
★★★★★ 3
Stranded on third base
Format: Hardcover
Prof. Kruse wanders away from the promise of the subtitle of his book--"How corporate America Invented Christian America." He almost gets there when he describes the ideological opposition of the wealthy to F.D.R's "New Deal." and their caricature of the "social gospel" as Communist propaganda. His description of Truman's encounter with Billy Graham is wonderful. For a book published in 2015, Kruse makes only slight mention of the fact that the politics of money and religion in contemporary times becomes more pernicious every day. The main body of the book drifts into redundant detail about "who prayed with who" and the spiritual influence of prominent evangelists on presidents from Eisenhower to Bush with only faint reference to their ties with the Capitalist agenda. He portrays wealthy Christians as true religious zealots when, in fact, they and many of the politicians they supported were likely hypocrites using religion as a wedge issue to increase their power and pursue their agenda of unregulated Capitalism. It is remarkable that Kruse entirely fails to mention the Koch brothers--billionaires who bankroll countless ultra right-wing politicians with evangelical agendas, while they, themselves, are apparently Ayn-Rand-style libertarian atheists interested only in a social-Darwinian, Capitalist heaven. Prof. Kruse leaves us stranded on third base, when he could have hit a home run!
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Reviewed in the United States on May 7, 2015
★★★★★ 5
Horrific Voter Suppression
Format: Paperback
This is a very well documented book about voter suppression in America. It was interesting to see that before the Jim Crow era, black people voted, were elected to office, got educations and did fairly well. With Jim Crow, horrific voter suppression began (lynchings, etc.). In the early days it was the Southern Democrats and the KKK. As time went on the methods simply became more devious. In the 1930s FDR began attempting to attract black voters to the party. By the end of WWII we had "Dixiecrats". By the time the time the Civil Rights Act was passed, the transition was complete and those Southern Democrats were now members of the GOP. (Much of that bit of history is not in the book, but you'll want to look it up.) The GOP is now the master of voter suppression, and you can see it pretty much everywhere but especially in Georgia, Texas, Minnesota and many southern states. The book is chock full or examples, case histories and stories of resistance. It made me want to sell my house and give the money to the ACLU, NAACP, and SPLC to defend our most precious right (not privilege) to vote.
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Reviewed in the United States on October 4, 2020
★★★★★ 5
This is a MUST read!!
Format: Kindle
This book is a must read! I was just not aware of the extent of the planned, organized, deliberate and insidious actions that the Republican Party has taken to suppress votes from the disenfranchised and the impact that has on our Democracy. I am stricken by the horror of what has been happening now for YEARS and is still going on today!! Carol Anderson has compiled hard data to demonstrate the pervasiveness of the many voter suppression steps that have been taken across many states, primarily in the deep south, but not exclusive to the south. It’s very difficult to take reams of data and put it into a coherent, logical sequence that can be easily understood but she is masterful at making her book eminently readable. This is a very data driven book but I had no trouble getting through it. The conclusion did have some hopeful information relaying steps that some states are taking to increase voter participation which did give me some hope. I am so glad that I read this and I think we all should be informed on this issue as it is central to our state as a country.
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Reviewed in the United States on April 30, 2021
★★★★★ 5
Great book but disappointing kindle experience
Format: Kindle
A must-read for anyone who wants to understand the troubled and racist history of voting rights in the US.
My only complaint is that the Kindle version of this book messes up the footnotes. The great thing about reading on the Kindle is that you don't have to flip back and forth to check the footnote cites; you only have to click on them. Sadly, the footnotes aren't correct in the Kindle version of the book. They somehow were shifted by one, as I was able to confirm in my hardcover copy, completely ruining the experience if you wish to read more about a specific incident. This is inexcusable in my mind, but I won't hurt the rating for this book by taking off a star.
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Reviewed in the United States on January 5, 2021
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