The Infrared Radiometer measures remote surface temperatures to
within 0.2 C.
Model SI-111:
$598
CALCULATING TARGET AREA:
The FOV determines the size of
the target area viewed by the detector. This is influenced
by the height and angle at which the sensor is mounted.
Mounting at an angle can be useful; however, at certain
angles the sky or distant objects will enter the field of
view.
For an Excel sheet programmed to calculate the target area, click
here: