CCTV Camera wipers, demisters & heaters(56)
March Networks’ new ME3 Pendant IR PTZ camera delivers uncompromising security for large indoor and outdoor spaces, as well as essential features to ensure high reliability, clear image capture and storage efficiency. Ideal for large-footprint environments such as parking lots, big box stores and transit stations, the camera incorporates electronic image stabilisation and HDR, so recorded video is always crisp. Universal Power over Ethernet (UPoE) ensures redundancy and zero downtime by switching to PoE when a camera loses power. And built-in PTZ auto-tracking uses motion detection to automatically track a person or object, keeping the image centred and in focus. Software updates are quick and easy to apply using the mass management feature available in Command Enterprise software, while PTZ-optimised motion histograms speed search capabilities. The 3MP PTZ includes a 40x zoom lens to capture objects 25% further away than industry-standard PTZs, and IR LEDs for uniform illumination in total darkness at a distance of more than 650 feet/200 metres. It also incorporates a Low Bit Rate compression mode to improve bandwidth and storage efficiency by as much as 50% when the camera is in its home position. The ME3 Pendant IR PTZ is protected by a weather-proof enclosure, and generates an alert in the event someone attempts to obstruct or move the camera. It comes with a variety of mounting options, including a 1.5” NPT wall mount and short pendant mount, both with back boxes.
Since 2011, the patented Dallmeier Panomera® multifocal sensor technology has provided comprehensive video protection for vast areas in many football stadiums, perimeters, airports and city areas all over the world. The new Panomera® series, the “Ultraline“, has exceptionally high effective resolution for these situations. Dallmeier presents the first model of the new series, the Panomera® S8 Ultraline, which delivers up to 190 megapixel at 30 fps. The Panomera® concept has revolutionised video technology: with up to eight sensors in a single camera, it is possible to capture enormous distances in unprecedented resolution quality. With fewer cameras and considerably less expense for both infrastructure and management, the total cost of ownership of video solutions are reduced significantly. At the same time, customer specifications regarding pixel density and coverage can be satisfied very precisely. Up to 26,000 sqm. coverage with one camera The first model of the new Ultraline series, the Ultraline S8, has an excellent dynamic range of 130 dB UWDR (effective) for an extreme Panomera® effect. This enables a resolution of 125 px/m up to a distance of 160, 104 or 82 m, enabling individuals to be recognised over the entire distance. Identification of persons (250 px/m) is supported up to a distance of 46 m depending on the model, observation (62 px/m) is possible even up to a distance of 322 m. This corresponds to a huge image space of more than 26,000 sqm. with continuous depth of field. Permanent capture The multifocal sensor system captures and stores all regions of the image space in the highest detail resolution. At the same time, it is not important whether the operators are concentrating on a specific region in live mode (multiple detail zoom) or if regions of interest are displayed in detail based on video content analysis (multiple auto-tracking). The Panomera® recordings always include the entire area of interest and allow every operation to be analysed. “Made in Germany” and GDPR-ready Like all Dallmeier cameras the new Panomera® model is manufactured entirely in Germany, at the Dallmeier factory in Regensburg. This in itself is a major factor in the manufacturer’s data protection and data security strategy, since it is then impossible for unauthorised persons to gain access through “backdoors”, for example. In all, 14 functions such as the setup of private zones, People Masking or the very latest encryption-authentication technology in the processing chain of Dallmeier solutions ensure that the strict requirements of the GDPR relating to data protection and data security are met.
The Evolution ExD Cameras, part of Oncam’s Specialist Camera Range, are unique to the 360-degree video surveillance market. Both ATEX, IEC and IECEx certified, the 5MP and 12MP versions have been specifically designed to meet the needs of customers operating in hazardous environmental conditions and potentially explosive atmospheres. The cameras’ housings are manufactured in Stainless Steel 316L, for maximum robustness. The IP66, IP67 and IP68 ratings make the enclosure resistant to harsh environmental conditions. Fit for use in markets such as Offshore and Onshore Environments, Industrial and Chemical Plants, Ports and Marine Applications and Food Processing Areas, the world’s first and only 360-degree ExD camera range is available in four mounting options: Surface Mount, Wall Mount, Pole Mount and Ceiling Mount. With no moving parts, the cameras can be PoE, 12 VDC or mains powered, dependent on whether they will be used indoor, outdoor or in extreme outdoor conditions. A heater is also available in the outdoor models. For enhanced connectivity in extreme outdoor applications, single or multi-mode fibre versions are offered. Indoor: EVO-05-EIP / EVO-12-EIP (PoE) Outdoor: EVO-05-EOA / EVO-12-EOA (115V) EVO-05-EOE / EVO-12-EOE (230V) Extreme outdoor: EVO-05-ESA / EVO-12-ESA (115V, Single Fibre Optic Mode) EVO-05-ESE / EVO-12-ESE 230V, Single Fibre Optic Mode) EVO-05-EMA / EVO-12-EMA (115V, Multi Fibre Optic Mode) EVO-05-EME / EVO-12-EME (230V, Multi Fibre Optic Mode)
VIVOTEK’s FE9391-EV is the next generation of market-leading 12-Megapixel 360° panomorph network camera, featuring a detailed 12-Megapixel CMOS sensor which guarantees superb image quality. Utilising the latest in panomorph lens technology for 180° panoramic view (wall mount) or 360° surround view (ceiling/wall/floor mount) with zero blind spots, the camera is able to provide comprehensive coverage of open areas such as airports, shopping malls, parking lots, retail stores, offices and more. Removable IR-cut filter The FE9391-EV (IP66, IK10 rated) is the successor to FE8391-V in the VIVOTEK 360° surround view family. The new model is equipped with a removable IR-cut filter and WDR Enhancement technology, allowing the camera to maintain optimal image quality around the clock for unparalleled visibility under high-contrast lighting environments. 3D Noise Reduction technology enables the camera to capture clear, polished video under low-light conditions. Latest in IR illumination The FE9391-EV's use of the latest in panomorph lens technology has led to much improved image quality with a huge drop in edge distortion. The FE9391-EV is also updated with the latest in IR illumination, VIVOTEK's Smart IR II technology with Adaptive IR. Adaptive IR enables the FE9391-EV's IR illuminators to adjust to the scene together or individually to provide the best possible IR image, reducing glaring hotspots and/or underexposed dark spots. Advanced Video Content Analysis The FE9391-EV is also be the first to include a new wave of advanced Video Content Analysis (VCA). Available in 4Q 2017, this includes better object detection in order to reduce false alarms. Through advanced Video Content Analysis functions including crowd detection features the FE9391-EV is the next steps in elevating surveillance cameras from image capturing devices to advanced notification instruments, allowing users to see more in smarter ways.
Ultra-narrow 1.7mm bezel-to bezel design(1.15mm bezel on the left and top sides and 0.55mm bezel on the right and bottom sides) High contrast and high brightness greatly enhance the video layering, and present the details of the video High fidelity digital processing for a brilliant and vivid video Built-in 3D COMB filter and 3D noise reduction Wide array of connectivity options HDMI, DVI, VGA, BNC, RS232, USB, Audio Infrared, RS232 double mode, supporting remote PC control Brightness smart detection, power-saving Professional thermal design to extend equipment lifespan Built-in power, low energy consumption, ultra-quiet Fast stack installation, professional project design, supporting arc-shaped mounting Widely used in surveillance centre, dispatching platform, safe city, commercial display, etc.
AI series products adopt the most advanced AI technologies, including deep learning algorithms that primarily target people and vehicles, which provides higher flexibility and accuracy for end-users. This enables the Dahua AI series to offer various advanced applications such as Face Recognition, ANPR, Metadata, People Counting, traffic data statistics, etc. The complete line up of Dahua AI series includes network (PTZ) cameras, network video recorders, digital video recorders, servers, and platform management products. Beyond seeing the world, the power of AI allows devices to perceive the environment and understand the world in a better way. System overview Dahua new XVR8000-4KL/4K-I series XVR delivers excellent performance and high recording quality that is ideally applicable to a wide range of industries ranging from retail to banking and real estate. Holding Dahua Technology’s patented HDCVI signature technology, these new AI XVR products are featured with long distance transmission, seamless upgrading, and IoT into analogue monitoring—all while maintaining perfect 4K resolution over coax. With build-in deep learning module, XVR8000-4KL/4K-I series products adopt video image structuring technology based on deep learning algorithms, achieving high-precision human face recognition and perimeter protection. By applying deep learning artificial intelligence, XVR8000-4KL/4K-I allows users to focus on what matters most, improves event response time and helps make video actionable. With its extensive portfolio of front-end and back-end products with HDCVI technology, Dahua solutions can be easily integrated into self-contained systems to satisfy the needs of both system integrators and users. Functions Perimeter protection Automatically filtering out false alarms caused by animals, rustling leaves, bright lights, etc. Enables system to act secondary recognition for the targets. Improving alarm accuracy. Real time face recognition Video stream real time face recognition. Facial attributes analysis features including gender, age, expression, glasses, moustache, mouth mask. Identify people and also capture, record faces with metadata. Facial feature filtering while real time display, only show faces with target features. Face database management Configurable multiple face databases. Powerful face database management. Face database can be applied to video channels independently. Name, gender, birthday, nationality, address, ID information can be added to each face picture. Common/stranger mode Supports regular and stranger mode. In stranger mode, when XVR detects a strange face(not in device's face database), it can trigger alarm, buzzer, snapshot, record, etc. Similarity threshold can be set manually. This function is developed for important infrastructure sites for which access control is critical. Smart search Supports search by metadata of human face. Support uploading face pictures to XVR and compare them with recorded faces in XVR by similarity. Enable operators to quickly and easily search through multi channels and long duration, efficiently find out when and where a person of interest appeared.
System Overview Experience 1080P full HD colour video and the simplicity of reusing existing coaxial infrastructure with HDCVI. The full-colour starlight HDCVI camera presents a high quality colour image with rich details even in total darkness conditions. It offers various fixed lens models with a multi-language OSD and HD/SD switchable output. It adopts two powerful warm white LED illuminators, covering an effective range up to 40m(131ft). The LEDs switch on automatically in darkness to capture detail-packed full-colour images 24/7, ensuring anthentic identificaiton of objects. It is an ideal choice for applications such as schools, retail centers and parking lots. Functions Full-colour Starlight The camera adopts F1.0 large aperture lens and 1/2.8" high performance sensor. With higher amount of absorbed light and advanced image processing algorithm, the camera presents an impressive lowlight performance with an exceptional balance between noise reduction and the blur of moving object. Warm Supplemental lights With two warm supplemental LED lights, the camera is able to provide a colourful and vivid image even in total darkness. By default, the camera is set to smart light mode, in which the camera can automatically adjust the exposure time and light sensitivity simultaneously to avoid overexposureing of the objects in the image center. Also, the sensitivity and intensity of the LED lights can be remotely controlled by OSD menu. Broadcast-quality Audio Audio information is used as supplementary evidence in video surveillance applications. The HDCVI camera supports audio signal transmission over coaxial cable. In addition, it adopts unique audio processing and transmission technology that best restores source audio and eliminates noise, guaran-teeing the quality and effectiveness of collected audio information. 4 Signals over 1 Coaxial Cable HDCVI technology supports 4 signals to be transmitted over 1 coaxial cable simultaneously, i.e. video, audio*, data and power. Dual-way data transmission allows the HDCVI camera to interact with the HCVR, such as sending control signal or triggering alarm. Moreover, HDCVI technology supports PoC for construction flexibility. * Audio input is available for some models of HDCVI came Long Distance Transmission HDCVI technology guarantees long-distance and real-time transmission without any loss. It supports up to 800m for 1080P Full HD video via coaxial cable, and up to 300m via UTP cable.* *Actual results verified by real-scene testing in Dahua's test laboratory. Simplicity HDCVI technology inherits the born feature of simplicity from traditional analogue surveillance system, making itself a best choice for investment protection. HDCVI system can seamlessly upgrade the traditional analogue system without replacing existing coaxial cabling. The plug and play approach enables full HD video surveillance without the hassle of configuring a network. Multiple-formats The camera supports multiple video formats including HDCVI, CVBS, and other two common HD analogue formats in the market. A DIP switch located on the cable allows you to quickly toggle formats, further simplifying installation and debugging. This feature makes the camera compatible with not only XVRs, but also most existing HD/SD DVRs. Wide Dynamic Range Embedded with industry leading wide dynamic range (WDR) technology, vivid pictures are achieved even in the most intense contrast lighting conditions. True WDR (120dB) optimizes both the bright and dark areas of a scene at the same time to provide usable video. Advanced 3DNR 3DNR is noise reduction technology that detects and eliminates random noises by comparing two sequential frames. Dahua’s advanced 3DNR technology allows remarkable noise reduction with little impact to sharpness, especially under limited lighting condition. Besides, the advanced 3DNR effectively decreases the band width and saves the storage space. Protection The camera's outstanding reliability is unsurpassed due to its rugged design. The camera is protected against water and dust with IP67 ranking, making it suitable for indoor or outdoor environments. Supporting ±30% input voltage tolerance, this camera suits even the most unstable power supply conditions. Its 4KV lightning rating provides protection against the camera and its structure from the effects of lightning.
The Contera NVR Appliance from Arecont Vision Costar is designed to offer powerful IP recording in an affordable, compact chassis. The Contera NVR Appliance is equipped with an on-board 8 or 16 channel PoE switch, that can be upgraded to 24 channels, allowing for Plug and Play connection with ConteraWS™ or ONVIF cameras. With full integration to ConteraWS Web Services, the Contera NVR Appliance offers centralised user management, single sign-on convenience, mobile apps and a web client that allows for easy remote connection to your recorders. Network setup is fast and easy using ConteraWS Web Services, and eliminates the need for port forwarding or DDNS. The Contera NVR Appliance runs on a secure Linux OS and comes preloaded with ConteraVMS™ Server software as a turnkey solution.
With 16ch perimeter protection, the XVR intelligently avoids false alarms to less important objects such as falling leaves and rain, and send alarms only when identifying human or vehicle. Face Recognition function enables alarm for suspects on blacklist, allowing passing for authorised people on whitelist, also alert for approaching of strangers. Besides, utilising 4ch Metadata Search functions, the new XVR products are smart search enabled, capable of automatically extracting face feature attributes. Offering incomparable perimeter protection, face recognition and metadata search technology, Dahua AI XVR is applicable to a wide range of industries ranging from retail to banking and real estate.
The Avigilon H4 Multisensor camera combines self-learning video analytics with exceptional coverage, featuring 3 or 4 individually-configurable sensors that can be positioned to monitor virtually any area. With 9-32 MP total resolution, it delivers broad coverage and high image detail, and uses H.265 compression technology to reduce bandwidth and storage requirements while maintaining clear images. Each camera sensor incorporates Avigilon self-learning video analytics and works with Avigilon Appearance Search™ technology, our award-winning AI video search engine.
The Contera™ Outdoor Dome megapixel camera features 1080p and 5-megapixel (MP) resolution for optimum performance. The Contera Outdoor Dome combines a day/night mechanical IR cut filter with an integrated motorised remote focus and zoom precision iris (P-iris) lens for excellent, optimal image quality. Regardless of the time of day, the Contera Outdoor Dome is prepared for any lighting condition. For applications with poor lighting conditions, Enhanced WDR™ (wide dynamic range) at 120dB provides the best visual balance to shaded and bright light conditions. For clear colour images in low-light, NightView™ offers strong low-light sensitivity for capturing details in extremely poor-lit scenes. Built-in Smart IR LED illumination automatically adjusts output in response to the distance of an object in view to prevent over-exposure when the object is very close to the camera. The Contera Outdoor Dome is ONVIF (Open Network Video Interface Forum) Profile S and G compliant, providing interoperability between network video products regardless of manufacturer.
System OverviewThe multi-sensor camera provides added flexibility for capturing wide area CCTV. With four 2MP adjustable lenses can provide a flexible choice of the angle, the camera can replace multiple single-sensor cameras providing a higher return on investment. The multi-sensor camera features contrast, backlight compensation, white balance, and resolution control to create a crystal-clear image even in the most challenging lighting conditions. FunctionsStarlight TechnologyFeaturing Dahua’s Starlight Technology, this camera is ideal for applications with challenging lighting conditions. Its low-lightperformance delivers usable video with minimal ambient light. Even in extreme low-light conditions, Starlight Technology is capable of delivering colour images in near complete darkness (less than 0.01 lux). Wide dynamic rangeEmbedded with industry leading wide dynamic range (WDR) technology, vivid pictures are achieved even in the most intense contrast lighting conditions. For applications with both bright and low lighting conditions that change quickly, True WDR (120dB) optimises both the bright and dark areas of a scene at the same time to provide usable video. Intelligent video system (IVS)With built-in intelligent video analytics, the camera has the ability to detect and analyse moving objects for improved CCTV. The camera provides optional standard intelligence at the edge allowing detection of multiple object behaviours such as abandoned or missing objects. IVS also supports Tripwire analytics, allowing the camera to detect when a pre-determined line has been crossed, ideal for business intelligence, and Facial Detection, for searching or identification of individuals. EnvironmentalWith a temperature range of -30 °C to +60 °C (-22 °F to +140 °F), the camera is designed for extreme temperature environments. The camera complies to an IK10 impact rating making it capable of withstanding the equivalent of 55 kg (120 lbs) of force. Subjected and certified to rigorous dust and water immersion tests, the IP67 rating makes it suitable for demanding outdoor applications. For environments with rain, sleet, snow, and fog, an integrated wiper provides users with clear visibility at all times. ProtectionSupporting ±30% input voltage tolerance, this camera suits even the most unstable conditions for outdoor applications. Its 4KV lightning rating provides protection against the camera and its structure from the effects of lightning. HEVC (H.265)H.265 ITU-T VCEG is a new video coding standard. H.265 Following standard developed around the existing video coding standard H.264 , some retain the original technology, while some of the relevant technology to improve the new technology uses advanced technology to improve the relationship between the code stream, encoding quality, and the delay between algorithm complexity, optimise settings specific contents include: Improve compression efficiency, improve the robustness and error recovery capabilities, real-time to reduce the delay, reduce channel acquisition time and a random access delay, reduce complexity, etc.
The Evolution 180 Outdoor Camera is built upon Oncam’s expertise and heritage on 360-degree technology. It is specifically designed for applications that require a dewarped panoramic view of an outdoor scene, without blind spots, from a single sensor camera. The 12MP high-resolution sensor and the built-in 3D dewarped panoramic video provides industry leading Panoramic+ views. The true day/night functionality allows images to be produced in all lighting conditions, including additional IR lighting. The camera is IP66, IP67, IP68, IP69K and IK10+ rated, making it a robust design. Its versatile enclosure enables wall and pendant mounting, while the integrated adjustable mounting allows for an angling of up to 45°. When angled, Oncam’s Angle Compensation Technology (ACT) corrects the view, straightening vertical lines in the scene.
The Contera Bullet outdoor-ready megapixel camera features 1080p and 5-megapixel (MP) resolution for optimum performance. The Contera Bullet combines a day/night mechanical IR cut filter with an integrated motorized 2.7–12mm varifocal remote focus and zoom precision iris (P-iris) lens. Regardless of the time of day, the Contera Bullet is prepared for any lighting condition. For applications with poor lighting conditions, Enhanced WDR™ (wide dynamic range) at 120dB provides the best visual balance to shaded and bright light conditions. For clear colour images in low-light, NightView™ offers strong low-light sensitivity for capturing details in extremely poor-lit scenes, and is further enhanced by built-in Smart IR LED illumination that automatically adjusts output in response to the distance of an object in view to prevent over-exposure when the object is very close to the camera. The Contera Bullet is ONVIF (Open Network Video Interface Forum) Profile S and G compliant, providing interoperability between network video products regardless of manufacturer.
With the latest version of MOBOTIX’ own VMS solution, it is now possible to combine into a unique, compatible hybrid solution not only the intelligent decentralized MOBOTIX IoT cameras but also the non-decentralized MOBOTIX MOVE cameras and third-party ONVIF S-cameras plus the new MOBOTIX NAS devices. MxMC 2.0 also reduces the time needed to configure the entire video system since now a large part of the all settings can be adapted for up to 80 IoT cameras simultaneously and within seconds. The basic version of MxMC 2.0 with extended standard features is available free of charge. The additional features for the integration of ONVIF S cameras and access to advanced levels of service and support can be added any time within an attractive licensing model.
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The term ‘marine’ comes from the Latin mare, meaning sea or ocean, and marine habitats can be divided into two categories: coastal and open ocean. Video surveillance (VS) applications can cover both types of marine environment with system for ships, maritime ports, onshore and offshore installations, etc. We should want to further analyse VS for ships and try to explain the types of ships on which it can be used, the ways in which VS can be used on ships, the typical certifications in use and what features a camera station must have to be installed on a ship. Starting with ships that have a minimum tonnage, around the world we have: liquefied natural gas (LNG) tankers, passengers ships, chemical tankers, crude oil tankers, container ships, general cargo ships and bulk carriers.As the LNG market grows rapidly, the fleet of LNG carriers continues to experience tremendous growth, offering more opportunities for VS Video surveillance for all marine vessels An LNG carrier is a tank ship designed for transporting liquefied natural gas. As the LNG market grows rapidly, the fleet of LNG carriers continues to experience tremendous growth. A passenger ship is a merchant ship whose primary function is to carry passengers by sea. This category does not include cargo vessels which have accommodation for a limited number of passengers, but rather includes the likes of ferries, yachts, ocean liners and cruise ships. A chemical tanker is a type of tank ship designed to transport chemicals in bulk. These ships can also carry other types of sensitive cargo which require a high standard of tank cleaning, such as palm oil, vegetable oils, tallow, caustic soda and methanol. An oil tanker, also known as a petroleum tanker, is a merchant ship designed for the bulk transport of oil. There are two basic types of oil tankers: crude tankers and product tankers. Crude tankers move large quantities of unrefined crude oil from its point of extraction to refineries. Product tankers, generally much smaller, are designed to move refined products from refineries to points near consuming markets. Container ships are cargo ships that carry their entire load in truck-size intermodal containers: a technique called containerisation. They are a common means of commercial intermodal freight transport and now carry most seagoing non-bulk cargo. Today, about 90% of non-bulk cargo worldwide is transported by container. A cargo ship or freighter ship is any sort of ship or vessel that carries cargo, goods and materials from one port to another. Cargo ships are specially designed for the task, often being equipped with cranes and other mechanisms to load and unload, and come in all sizes. Bulk carriers make up 15%–17% of the world's merchant ships and they are specially designed to transport unpackaged bulk cargo such as grains, coal, ore and cement in its cargo holds. For all these ships the protection of vessels, cargo and crew is a priority, that’s why the adoption of VS technology plays a key part in terms of security and safety. Human error is regularly named as a major factor in ship accidents, and one way to avoid it is to aid seafarers by providing them with technology and equipment that is reliable and easy to use in all weather and sea conditions. Marine VS encompasses liquefied natural gas (LNG) tankers, passengers ships, chemical tankers, crude oil tankers, container ships, general cargo ships and bulk carriers Emergency security solutions on ship One of the most important applications for camera stations is during “docking”. Mooring is the securing or confining of a vessel in a particular location with a fixed or a floating object (jetty, pier, ship, barge, buoy, etc.) as various cargo operations are carried out. Docking is the final stage of mooring operations when the ship docks to the jetty. This is a very delicate operation and cameras are very helpful in making sure docking is done without accidents.'Man overboard’ is an emergency in which a person has fallen off a boat or ship into the water, and can happen at any time during the day or night Another important application for camera stations is the Man Overboard detection system (MOB). ‘Man overboard’ is an emergency in which a person has fallen off a boat or ship into the water. Man overboard events can happen at any time during the day or night, in all types of weather and sea conditions, and from almost any location on the ship, ranging from a few tens of feet above the water, to over 180 feet. When these events occur, the immediate availability of important data is crucial. Accurate confirmation of the event including time of occurrence, location on the ship and location in the sea is critical. A proactive detection system must immediately and accurately detect man overboard events and provide prompt, actionable data to response personnel. A typical man overboard detection system can report a MOB event in under 1 second. VS on a vessel can also monitor the engine room at all times and provide a good view of people working on dock, machinery and stowed equipment. But what are the most important features that a camera station must have to work in one of the most aggressive environments in nature? Marine surveillance must operate in one of the most harsh environments in nature Ruggedised reliability in surveillance First of all, and perhaps it’s obvious, but it’s extremely important to have camera stations with amazing reliability. Housing units manufactured from AISI 316L stainless steel, passivated and electropolished, makes the cameras completely impervious to air, water, rusting and corrosion, therefore offering excellent weather protection and increased reliability. Housing units manufactured from AISI 316L stainless steel, passivated and electropolished, makes the cameras completely impervious to air, water, rusting and corrosion Sometimes ships also use cameras constructed entirely from technopolymer, which guarantees high impact resistance and superior protection from external weather agents. Keeping the camera glass clean at all times is another essential feature, and it can be done via a wiper/wash system that greatly reduces the need for maintenance. In the case of PTZ cameras, the best option would be a great pan and tilt speed (up to 100°/s). What is the operative temperature range for the cameras? Sea is everywhere and therefore ships go everywhere, from the Arctic Ocean to the Mediterranean, so we need cameras that have to be fully operational across a wide temperature range. -40°C to +65°C covers almost all areas. Analogue or IP Cameras? Actually, both options can be used, especially for applications like docking where it’s important to avoid image delay (as can happen with IP cameras due to the natural latency of data communication over a network). Marine certifications Last but not least, the certifications: Certifications guarantee the quality and reliability of camera stations. There is no compromise! One important certification is the Lloyd’s Register Type Approval which subjects cameras to rigorous testing for performance, vibration (critical on ships), humidity, etc. The application field of the LR Type Approval is VS in public places (e.g. passenger ships), open decks, enclosed spaces that are subjected to heat generated from other equipment, and technical premises. Often, VS cameras used in specific areas of ships, such as hazardous areas, are required to have ATEX and IECEX certifications.
Standards for camera manufacturers presented a new challenge with the introduction of security cameras that require more than 30 Watts of power Standards for camera manufacturers presented a new challenge with the introduction of security cameras that require more than 30 Watts of power. Many of these involve pan-tilt-zoom (PTZ) domes and heaters and blowers that require additional power. This development created two areas of confusion which is highlighted in this article by Neil Heller - Vice President, Vigitron. The first is the ability to define what a 60-watt camera is and what power sources are actually required. The second and more serious is how to provide that power. Both share a commonality in that they lack any form of standardisation. PoE to power 60-watt security camera alone? Let’s start with the definition of the 60-watt camera. As the term suggests, it requires 60 watts or greater, but that doesn’t necessarily mean all the required power comes from a single PoE source. In many cases, camera manufacturers require that PoE only power the camera itself. Looking at these cameras’ power specifications will indicate a required PoE power of 802.3at or 30 watts, thus leaving power to the heaters and blowers requiring a local AC power source. This situation brings into question the value of PoE power if it is restricted to only providing camera power. Another group of PTZ cameras does use PoE for both camera and heater/blower functions, but only when the heater operates within a restricted temperature range. This usually means if your camera is installed in areas where the temperature that can fall below -20 degrees C (approximately -20 degrees F) you will still need a local power AC power source. The third type of security camera relies only on PoE power for both PTZ and heater blower operations. This is confusing, and is often the source of users finding their PTZ has failed at the most inopportune time. Any attempt to transmit 60 watt power over coax cable that is only a single pair should be considered with a great deal of caution, requesting from the transmission equipment provider that they will accept liability for any damages PoE for greater than 30 Watt applications The three different operations of how these “PoE” cameras are powered brings into question the value of using PoE for greater than 802.3at, 30 Watt applications. Value exists in the ability to centrally control power operations from a single accessible point. Certainly those cameras that are solely dependent upon PoE have the greatest advantage. This brings to the second point of confusion, the composition of the PoE power. To review a brief history, 802.3af (15.4) was the first PoE standard used for IP cameras and is for the most part a standard. 802.3at (30 Watts) was introduced as four different standards, two of which, Type 1 and Type 2 are supposed be compatible, but in reality are not. Transmission restriction over physical cables 60 watts has no standards. To understand this, we need to look at the limitations of transmitting power over physical cables. Any form of transmission over a physical media has limitations in the form of resistance. As resistance increases, so does the heat generated by this process. The higher the power, the greater the resistance and resulting heat generated. Based on CAT5e cable, a single wire can handle about 0.75 amps. In PoE transmission, power is transmitted on a pair of wires or 0.75amp X 2= 1.5amps. According to the 802.3at specifications, Class 4 specifications generally are considered to start around 48 volts. So we take 48 x 0.75= 36 watts or 72 watts for the pair. Dual PD (power device) system So how do we get to 60 watts? For “over” 30 watts, camera manufacturers use a dual PD (power device) system. In short, it operates as if it where two IP cameras and requires use of all four pairs within Cat cabling. Exceeding these power limits can be dangerous in overheating the cable and its installation. Therefore, any attempt to transmit 60 watt power over coax cable that is only a single pair should be considered with a great deal of caution, requesting from the transmission equipment provider that they will accept liability for any damages. The need to operate two PDs within a single camera is where the incompatibility exists. There are no standards as to the sequence of turning on separate PDs in a single camera The need to operate two PDs within a single camera is where the incompatibility exists. There are no standards as to the sequence of turning on separate PDs in a single camera. Most such camera manufacturers provide their own PoE source in the form of a PSE or camera power supply; however, don’t try to interchange these power sources among different cameras from different manufacturers as they will not work. If you attempt to use a third party version, make certain you confirm that the power source manufacturer has actually conducted certification testing and can provide proof of compatibility or provide any operational limitations. Distance of transmission Finally, there is the question of transmission distance. This takes us back to the physics of high-powered PoE transmission. Even with manufacturer-supplied PSEs, the distance limitation is still 328 feet (100m), the Ethernet standard. Most applications such as perimeter and parking lots will be hard pressed to find a power outlet within 328 feet of where the cameras needs to be installed. This is where third-party transmission equipment providers come into play, but again the ability of transmitting 60 watts PoE power for distances greater than 328 is more complex that standard 802.3af and 802.3at, and more limited. This combined with the non-standard make a detailed knowledge and interaction with the manufacturer critical to a successful installation.
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