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Information on a wide range of housings, | |||||||||||||||||||||||||||||
Before the introduction of the Dome camera, all outdoor cameras had to be fitted into weatherproof housings; and as the camera / lens combinations quite literally came in all shapes and sizes, so to did the housings that protect them. In general terms, there are actually three main types of protective housing used with standard industrial cameras. The original designs consisted of an elaborate base section, which as well as rigidly supporting the camera, also accomodated some form of thermostatically controlled heating element (usually a ceramic or metal clad resistor). This base section would then be locked into place into a metal or plastic box secion cover, either using spring loaded clips, or alternatively using a simple twist lock mechanism. Overall, this type of design was and indeed still is, a well sealed, durable and relatively inexpensive approach to providing effective camera protection; but not without its disadvantages. As a functioning unit, its very good, but for a sevice engineer hanging off the side of a building by their fingertips, it's a pain!. Later models refined the design by using a compressed very lightweight folded top cover which when fitted, pressed down firmly onto a water resisting neoprene liner. Quite a nice aesthetically pleasing design, but the downside was that over a period of time, it was not unusual to find the neoprene ageing, and rain water gradually beginning to seep in and build up inside the lower section of the housing. | |||||||||||||||||||||||||||||
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