AT1280 Online Temperature Measurement Thermal Camera User Manual
18
16.Terms and Definitions
Terms
Definition
FPA
(Focal Plane Array)
A type of infrared detector
IFOV
(Instantaneous Field of View)
A resolution measure method of infrared thermal
camera (that is, the field of view of a pixel)
FOV
(Field of View)
The angle of view that the infrared camera can see
HFOV is the horizontal angle of FOV
，
VFOV
is the vertical angle of FOV.
NETD
(Noise Equivalent
Temperature Difference)
A measure of image anti-interference level
of infrared thermal camera.
