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Description
Dahua 8MP 25x Starlight IR WizSense PTZ-camera (SD49825GB-HNR)Productbeschrijving De Dahua SD49825GB HNR is een 8 MP gemotoriseerde PTZ camera (Pan Tilt Zoom) die een geavanceerde bewakingsoplossing biedt voor buitenomgevingen. Dankzij de 25x optische zoom, Starlight technologie en infrarood met groot bereik (100 m) legt hij heldere beelden vast, zelfs bij weinig licht. Deze camera is voorzien van geavanceerde kunstmatige intelligentie (AI) en WizSense functies zoals gezichtsdetectie, perimeterbeveiliging en SMD
Productbeschrijving
De Dahua SD49825GB-HNR is een 8 MP gemotoriseerde PTZ-camera (Pan-Tilt-Zoom) die een geavanceerde bewakingsoplossing biedt voor buitenomgevingen. Dankzij de 25x optische zoom, Starlight-technologie en infrarood met groot bereik (100 m) legt hij heldere beelden vast, zelfs bij weinig licht.
Deze camera is voorzien van geavanceerde kunstmatige intelligentie (AI) en WizSense-functies zoals gezichtsdetectie, perimeterbeveiliging en SMD 4.0, waarmee het onderscheid tussen mensen, voertuigen en levenloze objecten wordt verbeterd.
Met zijn IP66-bescherming, 6000V-bliksembeveiliging en brede temperatuurbereik (-40 °C tot +65 °C) is hij ideaal voor buiteninstallaties onder extreme omstandigheden.
Specificaties
| Camera | |
| Beeldsensor | 1/2,8" CMOS |
| Pixel | 8 MP |
| Maximale resolutie | 3840 (H) × 2160 (V) |
| ROM | 4 GB |
| RAM | 1 GB |
| Elektronische sluitertijd | 1/1 s–1/30.000 s |
| Scansysteem | Progressief |
| Minimale verlichting | Kleur: 0,005 [email protected] Zwart-wit: 0,0005 [email protected] 0 [email protected] (IR-licht aan) |
| Verlichtingsafstand | 100 m (328,08 ft) (IR) |
| Aan/uit-regeling van de verlichting | Zoom Prio; Handmatig; Smart IR; Uit |
| Illuminator nummer | 4 (IR) |
| Lens | |
| Brandpuntsafstand | 5 mm–125 mm |
| Maximaal diafragma | F1.6–F3.6 |
| Gezichtsveld | H: 53,1°–3,4°; V: 30,4°–1,9°; D: 59,3°–3,9° |
| Optische zoom | 25× |
| Focusregeling | Automatisch; semi-automatisch; handmatig |
| Korte scherpstelafstand | 0,1 m–1,5 m (0,33 ft–4,92 ft) |
| Irisbestrijding | Automatisch; handmatig |
| PTZ | |
| Pan/Tilt-bereik | Pan: 0° tot 360° eindeloos Kantelen: –15° tot +90°, automatisch 180° omdraaien |
| Handmatige snelheidsregeling | Pan: 0,1°–200°/s Kantelen: 0,1°–120°/s |
| Vooraf ingestelde snelheid | Pan: 240°/s Kantelen: 200°/s |
| Vooraf ingesteld | 300 |
| Tour | 8 (tot 32 presets per tour) |
| Patroon | 5 |
| Scannen | 5 |
| Uitschakelgeheugen | Ja |
| Stationaire beweging | Patroon; Voorinstelling; Scan; Tour |
| PTZ-protocol | DH-SD Pelco-P/D (automatische herkenning) |
| Intelligentie | |
| IVS (Perimeterbeveiliging) | Struikeldraad; indringing; detectie van het passeren van een hek; detectie van rondhangen; achtergelaten/vermist object; snel bewegend; parkeerdetectie; mensen verzamelen; classificatie van voertuig-/mensalarmen |
| Gezichtsdetectie | Ondersteunt gezichtsdetectie, optimalisatie, tracking, het maken van foto's, het uploaden van hoogwaardige snapshots van gezichten en gezichtsverbetering; Ondersteunt het extraheren van kenmerken. 6 kenmerken en 8 gezichtsuitdrukkingen: geslacht, leeftijd, bril, gezichtsuitdrukkingen (boos, verdrietig, haatdragend, eng, verrast, kalm, blij en verward), masker, snor; Ondersteunt gezichtsuitsnijding: gezicht, foto van 2,5 cm. Vastlegstrategieën omvatten realtime vastleggen, optimalisatie en kwaliteit staat voorop. Ondersteunt maximaal 5 gezichtsdatabases; registreert personen één voor één of in batches; stelt gezichtsgelijkenis vast; vergelijkt gezichten met 10.000 gezichten. |
| SMD | SMD 4.0 |
| Auto Patrol | Wanneer een doelwit wordt gedetecteerd, wordt de IVS-regel geactiveerd en wordt de camera gekoppeld aan de PTZ. Vervolgens roteert de camera naar de positie van het doelwit en wordt er gepatrouilleerd op basis van de vooraf ingestelde waarden. |
| Video | |
| Videocompressie | H.264H; H.264B; Slimme H.265+; H.264; H.265; MJPEG (substream); Slimme H.264+ |
| Streaming-mogelijkheid | 3 streams |
| Resolution | 4K (3840×2160); 4M (2560×1440); 3M (2048×1536); 3M (2304×1296); 1080p (1920 × 1080); 720p (1280 × 720); D1 (704×576/704×480); VGA(640×480);CIF (352×288/352×240) |
| Videoframesnelheid | Hoofdstream: 4K/4M/1080p/1,3M/720p (1–25/30 fps) Substream 1: D1/VGA/CIF (1–25/30 fps) Substream 2: 1080p/1,3M/720p/CIF (1–25/30 fps) |
| Bitsnelheidsregeling | CBR/VBR |
| Videobitsnelheid | H.264: 3.328 kbps–8.192 kbps H.265: 1.280 kbps–8.192 kbps |
| Dag/Nacht | Auto (ICR)/Kleur/Z/W |
| BLC | Ja |
| WDR | DWDR |
| HLC | Ja |
| Witbalans | Auto; binnen; buiten; ATW; handmatig; natriumlamp; natuurlijk licht; straatlantaarn |
| Krijg controle | Automatisch; handmatig |
| Ruisonderdrukking | 2D-ruisonderdrukking; 3D-ruisonderdrukking |
| Bewegingsdetectie | Ja |
| Regio van interesse (RoI) | Ja |
| Ontwasemen | Elektronisch |
| Digitale zoom | 16× |
| Beeldrotatie | 180° |
| Privacymaskering | Er kunnen maximaal 24 gebieden worden ingesteld, met maximaal 8 gebieden in dezelfde weergave |
| S/N-verhouding | ≥ 55 dB |
| Audio | |
| Audiocompressie | PCM; G.711a; G.711Mu; G.726; MPEG2-Layer2; G722.1; G729; G723 |
| Netwerk | |
| Netwerkpoort | 1 × RJ-45 (10/100 Base-T) |
| Netwerkprotocol | FTP; RTMP; IPv6; Bonjour; IPv4; DNS; RTCP; PPPoE; NTP; RTP; 802.1x; HTTPS; SNMP; TCP/IP; DDNS; UPnP; NFS; ICMP; UDP; IGMP; HTTP; SSL; DHCP; SMTP; Qos; RTSP; ARP |
| Interoperabiliteit | RTMP; CGI; SDK; ONVIF (Profiel S&G&T); P2P |
| Streamingmethode | Unicast/Multicast |
| Gebruiker/Host | 20 (totale bandbreedte: 64 M) |
| Opslag | Micro SD-kaart (512 GB); FTP/SFTP; NAS |
| Browser | IE 9 en latere versies Chrome 41 en latere versies Firefox 50 en latere versies iOS 10 en latere versies |
| Beheersoftware | DSS Pro; DMSS |
| Mobiele client | iOS; Android |
| Certificering | |
| Certificeringen | CE-EMC: EN 55032; EN 61000-3-3; EN 61000-3-2; EN 50130-4; EN 55035 CE-LVD: EN 62368-1 FCC: 47 CFR FCC Deel 15, Onderdeel B, NSI C63.4 UL: UL62368-1 |
| Port | |
| Audio-ingang | 1 kanaal |
| Audio-uitvoer | 1 kanaal |
| Alarmkoppeling | Vastleggen; opnemen; e-mail verzenden; vooraf instellen; tour; patroon; alarm digitale ingang |
| Alarmgebeurtenis | Bewegings-/manipulatiedetectie; audiodetectie; detectie van verbroken netwerkverbinding; IP-conflictdetectie; detectie van de status van de geheugenkaart; detectie van geheugenruimte |
| Alarm-I/O | 2/1 |
| Audio-I/O | 1/1 |
| Stroom | |
| Voeding | 12 VDC/3A ±10% PoE (802.3at) |
| Stroomverbruik | Basis: 9,8 W Max.: 20 W (Illuminator + alarm + PTZ) |
| Omgeving | |
| Bedrijfstemperatuur | –40 °C tot +70 °C (–40 °F tot +158 °F) |
| Bedrijfsvochtigheid | ≤ 95% |
| Opslagtemperatuur | –40 °C tot +70 °C (–40 °F tot +158 °F) |
| Opslagvochtigheid | ≤ 95% |
| Bescherming | IP66, TVS 6000 V bliksembeveiliging; overspanningsbeveiliging; bescherming tegen spanningsstoten |
| Structuur | |
| Productafmetingen | 270,4 mm × Φ160 mm (10,65" × Φ6,30") |
| Nettogewicht | 2,4 kg (5,29 lb) |
| Brutogewicht | 3,9 kg (8,60 lb) |
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4.0 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 4
A must ...
Format: Paperback
A must for those considering / entering law school. Crisp.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2015
★★★★★ 5
Five Stars
Format: Paperback
Excellent
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Reviewed in the United States on April 10, 2015
★★★★★ 2
I feel as though they simplified a lot of the ...
Format: Paperback
I feel as though they simplified a lot of the information, as common sense could tell you things such as time commitment to law school and to work with your professors in the case of an emergency
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 21, 2017
★★★★★ 5
a nice simple history of the American flag
Format: Hardcover
This book is a history of the American flag. It has good illustrations, good print with 3 to 5 sentences per page. A page at the back show appropriate handling and uses.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
★★★★★ 5
Good choice to teach kids to be well-mannered at Memorial Day.
Format: Hardcover
The book starts with the 13 colonies each with their own flag. Then it discusses the Revolutionary war and the story of Betsy Ross with the qualifier that It says no one really knows who sewed the first flag. Then it discusses Francis Scott Key and the bombardment of Fort McHenry. Then how a star is added for each state added to the union. Mentions the Civil War and raising the flag on Iwo Jima. After that it has two pages on protocol for displaying and honoring the flag, and gives the pledge of allegiance. It is a good choice to teach kids to be well-mannered at parades and Memorial Day services.
The cover art depicts a series of historical flags, not all of which are mentioned in the book which raises the question “Why?”. Starting at the back is the red Saint George’s Cross on a white field. Saint George the dragon slayer is the patron saint of England. The plain cross without the centered crown is the flag of England. This flag is shown on page 2 as the flag of one of the colonies but it doesn’t say which.
In front of that is the flag of Maryland Colony which is still used as their state flag.
Next in line is the coiled rattle snake Don’t Tread on Me flag. According to my Compton’s Encyclopedia, this originated with Esek Hopkins the first US Navy commander in chief and was used from 1776 to 1778. Colonel Christopher Gadsden presented a copy of this flag to the South Carolina legislature, so it is often referred to as the Gadsden flag but this is incorrect. The rattle snake image was used in 1775 by the minute men of Culpepper County Virginia. The image was widespread in the revolution and may have been used earlier than that. The snake is portrayed with 13 rattles, one for each colony. Rattle snakes will not initiate an attack on humans as we are too big to eat, but if stepped on they will counter attack and can be deadly. The point of the image is that the colonists did not want war, but would not tolerate abuse. (There is a rumor that this flag is connected to the slave trade, but Hopkins was from Rhode Island which was not part of the Confederacy, and I have not found any evidence to support this rumor).
Next is the flag of New England which has the Saint George cross with a Pine Tree on a blue field. This flag was used at the battle of Bunker Hill. Normally the New England flag has a red field, but blue was substituted because the red caused confusion with the British Royal Navy ensign which has a Union Jack in the top left on a red field. Naval ensigns are designed to be highly visible at distance or in the smoke of battle. The bright red field is more visible than the Union Jack alone. The Union Jack is the national flag of the United Kingdom.
Next is the Union Jack on a field of thirteen stripes. This is the first flag of the thirteen colonies. It was used in 1775 and 1776 as the flag of the continental army and navy but never officially adopted.
Next is the Betsy Ross flag, followed by the Fort McHenry flag, and the modern flag. I hope this helps.
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Reviewed in the United States on September 4, 2023