Tus neeg siv phau ntawv

AT31F61F Online Temperature Measurement Thermal Camera User Manual
21
15. 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
H is the horizontal angle and V is the vertical angle.
NETD(Noise Equivalent
Temperature Difference)
A measure of image interference level of infrared thermal
camera.