Laying Out A Measurement Area; Working With Alarms - FLIR ThermaCAM E4 Operator's Manual

Step
3
4
5
7.3.2

Laying out a measurement area

➲ The camera needs a warm-up time of 5 minutes before accurate measurements
can be expected.
Step
1
2
3
4
5
7.4

Working with alarms

You can choose between the following alarm outputs:
a color alarm, which will assign a color to all pixels above or below a preset temper-
■
ature level
a silent alarm, which, compared to the color alarm, will make the font of the tem-
■
perature result increase in size and its background turn red
an audible alarm, which, compared to the visual alarm, also triggers a 'beep'.
■
A settings can also be made in the camera so that an alarm output takes into account
the reference temperature. A typical application when you would want to use an
alarm that takes into account the reference temperature is screening of people for
face temperature detection.
Firstly, the reference temperature is set by screening 10 persons with normal face
temperature. The camera puts each of these 10 results in an internal camera buffer
and calculates the average temperature value after having discarded the two highest
and two lowest values in the event of erroneous samples. Every time a new sample
Publ. No. 1 558 017 Rev. a62 – ENGLISH (EN) – August 19, 2004
Action
Select Spot in the Meas. mode dialog box and press MENU/YES.
Press SEL until small brackets appear around the spot. You can now move the spot
by pressing the navigation pad left/right or up/down.
To add additional spots, repeat step 1–4. A maximum number of three spots can
be added.
The temperature will be displayed in the top right corner of the LCD.
Action
Press MENU/YES to display the vertical menu bar.
Point to Meas. mode on the vertical menu bar and press MENU/YES.
Select Area max, Area min or Area avg in the Meas. mode dialog box and press
MENU/YES.
Press SEL until small brackets appear around the area. You can now resize the area
by pressing the navigation pad left/right or up/down.
The temperature will be displayed in the top right corner of the LCD.
7.4 – Working with alarms
13