Thermal Imaging Overview - FLIR PT-602CZ Installation Manual

2 Basic Operation and Configuration
Use the Backup button to make a backup of the final settings. This will make a backup copy of the
configuration file and store it locally on the camera.
In the Upload & Download section, the Download Configuration File link can be used to save a copy to
a PC for safe keeping. A pop-up window will ask for a file name and destination folder.
The Upload button is used to transfer a configuration file from a PC to the camera.
Files > Log > Field Support Log
Scroll down and select the Download button under Field Support Log to download a zip file to the
computer for field service evaluation.
2.4

Thermal Imaging Overview

When power is applied to the PT-602CZ camera, a compact integral Stirling cooler (also known as a
cryocooler) starts automatically. The cryocooler makes an audible noise when it is operating, and
requires up to 8 minutes to cool the thermal imager down to its operating temperature. When it is
cooling down, the video image will not be shown.
The thermal camera makes an image based on temperature differences. In the thermal image, by
default the hottest item in the scene appears as white and the coldest item is black, and all other items
are represented as a gray scale value between white and black.
It may take some time to get used to the thermal imagery from the camera, especially for someone
who only has experience with normal daylight cameras. Having a basic understanding of the
differences between thermal and daylight cameras can help with getting the best performance from the
thermal camera.
Both thermal and daylight cameras have detectors (pixels) that detect energy. One difference between
thermal and daylight cameras has to do with where the energy comes from to create an image. When
viewing an image with an ordinary camera, there has to be some source of visible light (something hot,
such as the sun or lights) that reflects off the objects in the scene to the camera. The same is true with
human eyesight; the vast majority of what people see is based on reflected light energy.
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