FLIR Photon User Manual

44
Appendix B
Reected Temperature Parameter
This parameter is used to compensate
for the radiation reected in the object
and the radiation emitted from the
atmosphere between the camera and
the object.
If the emissivity is low, the distance
very long, and the object temperature
relatively close to that of the
reected object, it is important to
set and compensate for the reected
temperature correctly.
Distance Parameter
This is the distance between the object
and the front lens of the camera.
This parameter is used to compensate for
the fact that radiation is being absorbed
between the object and the camera and
the fact that transmittance drops with
distance.
Relative Humidity Parameter
The camera can also compensate for
the fact that transmittance is somewhat
dependent on the relative humidity
of the atmosphere. To do this, set the
relative humidity to the correct value. For
short distances and normal humidity, the
relative humidity can normally be left at a
default value of 50%.
Other Parameters
In addition, some cameras and analysis
programs from FLIR Systems allow
you to compensate for the following
parameters:
Atmospheric temperature – the •
temperature of the atmosphere
between the camera and the target
External optics temperature – the •
temperature of any external lenses or
windows used in front of the camera
External optics transmission – the •
transmission of any external lenses or
windows used in front of the camera

FLIR Photon Specifications

General

Brand	FLIR
Model	Photon
Category	IP Camera
Language	English