Because of variations in operating conditions, the design and build of outdoor or extreme-environment video surveillance cameras must be able to cope with or withstand sometimes extreme changes, such as in temperature, humidity, dustiness and corrosiveness. Explosions ( oil/gas ), vibrations ( mobile/locomotive ) and acts of vandalism ( public surveillance ) are other user scenarios that often test the reliability and performance of every part and component of a surveillance system.
Clearly, these unique industrial design and durability needs cannot be fulfilled by every solution provider. In addition to meeting "minimum" temperature ( 50°C ) and humidity ( 90% ) requirements for electronics, specific IP and NEMA ratings are key considerations in getting the water, dust, voltage variation and signal interference resistance that your surveillance system needs to monitor and record 24/7 without interruptions in your extreme operating environment. Other national or industry-specific certifications, such as CNS, UL, IEC and BSI, will also help you make a better informed, purchasing decision in getting the required outdoor or extreme-environment surveillance camera.