In layperson terms, photovoltaic cells are comprised of a semiconductor material such as silicon. Added to the silicon are the elements phosphorous and boron which create conductivity within the cell and activate the movement of electrons. The electrons move across the cell when activated by the sunlight’s energy into the electrical circuit hooked up to the solar panel.
Solar panels are flat panels of photovoltaic arrays mounted on a roof or a pole to capture the sun’s rays. Building integrated photovoltaic materials are PV arrays that are integrated into the building material itself, primarily windows, roof tiles, or walls. Solar panels work well for retrofits or remodels while BIPV are appropriate for new construction or a major renovation.
A 2kW solar electric system will cost approximately $20,000. That total includes the cost for all components – solar panels, panel mounts, and inverter – and labor associated with installation. It does not however, reflect all the avoided costs, such as the tax breaks and the credits received through net metering.
Managed access control allows the user to keep their focus on their work, not their doors and alarms. Basic access control systems can be purchased and installed by a vendor, or self-installed, but are not supported by a service staff. With managed access control, a company assists you in running everything access control related at your property. A managed access control provider walks you through each step of the process and continues to work with you throughout the life of your system. In addition to the installation and maintenance of your system, managed access control provides programming assistance (activating and de-activating credentials, changing permission levels, hours, etc.) and monitors your doors and office space. Managed services are backed by 24/7/365 live operator support and can be reached at any time. When a situation arises, trained operators follow a specific set of instructions, allowing you to keep your focus on your work, not on your doors and alarms
At its most basic, an access control system is composed of credentials, readers and a program interface. A credential is the item used by an individual to gain access through a specific entry point. Traditional credentials can come in the form of key cards, photo badges, key fobs, and cell phone tags. More advanced credential systems use your face, voice or fingerprints as your ID. A reader runs credentials. Often a box next to your door, used in place of a traditional lock to read a credential (which serves as the key). Readers are programmed to grant or deny access to each individual based on their specific credentials. The component of the system you interact with to program your credentials and readers is called the interface.
When setting the back focus of a Color camera for low light conditions you should place an ND1 (Neutral Density) filter in front of the lens. When setting the back focus of a Mono camera for low light conditions you should place an ND3 (Neutral Density) filter in front of the lens. When setting the back focus of a Mono camera fitted with I/R lighting for low light conditions you should place an IRP (Infra- Red Pass) filter in front of the lens
Choosing the correct CCTV Camera for your digital surveillance system is very important. The Digital CCTV Camera, together with a CCTV Lens, uses a CCD (Charge Coupled Device) sensor that captures the image and turns it into a signal that is sent to the monitor or surveillance system. You will need to decide the following when choosing a cctv camera & lens for a digital cctv system: The Digital Camera Location: Will the camera be situated Indoors / Outdoors The amount or variance of light conditions for the digital cctv camera: Will the camera have to record in low-light conditions such as at night? The Field of View required for the camera: How wide or narrow an angle of vision is required The Focal Length - How far away objects you wish to record will be from the camera Your budget
Yes! We have audible devices such as sirens and bells, which are in most cases, “a first line of defense” for deterring burglars. We also will discuss with you the options of a “silent” alarm in the event of duress.
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