Thermal cameras do not require a light source, as they operate by detecting radiation in the thermal infrared range of the electromagnetic spectrum, producing images of that radiation. Thanks to this, thermal cameras can capture images even in complete darkness, allowing video surveillance system operators to detect any suspicious activity and take appropriate action. Thermal cameras also handle many adverse weather conditions better than conventional cameras; for example, operators can see through fog or smoke.
The Q1921 camera is designed for indoor surveillance, while the Q1921-E is an IP66-rated camera ready for outdoor use. Four alternative lenses are available: 10mm, 19mm, 35mm, and 60mm. The 384x288 pixel resolution and advanced image processor enhance the effectiveness of area or perimeter surveillance. The cameras can detect people at distances up to 200 meters with a 55° viewing angle and up to 1200 meters with a 9° viewing angle. They also support key IP surveillance features such as H.264 and Motion JPEG, two-way audio, local storage (on an SD card), and Power over Ethernet (PoE). Intelligent video is a key component of any thermal camera, and therefore the Q1921-E features an active tamper alarm, motion detection in video, and compatibility with the Camera Application Platform.
The Q1921/-E thermal network cameras are compatible with the industry's most extensive application base of video management software through Axis' Application Developer Partner (ADP) program and Camera Station software. They also comply with the ONVIF specification for network video product interoperability.
