12 Temperature screening
Applicability
This section applies to the following camera models:
■
FLIR A320 (30 Hz) Temp screen
■
FLIR A320 (9 Hz) Temp screen
Description of the
function
The screening function in allows you to screen a large number of persons for facial
temperatures that lie above a set reference temperature.
When an elevated temperature is detected, the camera will trigger a visible and/or
audible alarm.
NOTE
You can change the temperature 2°C/3.6°F (described below) using the Screening
tab in FLIR IR Monitor (included on the ThermoVision™ System Tools & Utilities
1.5.1 HF2 (1.5.1.16)). HF2 can be downloaded from http://support.flir.com.
■
■
The camera should run for at least 30 minutes before carrying out measurements.
■
The distance to the face should be adapted so that the face covers more than
75% of the image width.
Procedure
Follow this procedure:
Connect the camera to a video monitor.1
Connect the camera to power.2
Connect the IN 1 port to +10–30 VDC, using cables and an NO (normally
open) electrical switch.
3
Now aim the camera at a face (at the inner corner of the eye) having a
supposedly normal temperature. Close the switch for a period of less than
2 seconds to acquire a temperature sample. Repeat this procedure on at
least 10 faces with supposedly normal temperatures. You have now set the
reference temperature. If you want to reset or restart the reference temper-
ature, close the switch for a period of more than 2 seconds. See the
schematic drawing on the next page for setup details.
4
You can now begin the screening. Aim the camera at the faces of the per-
sons whose facial temperatures you want to screen (at the inner corner of
the eye). If a person’s facial temperature ismore than 2°C/3.6°F above the
set reference temperature, an alarm will be triggered.
5
Publ. No. T559498 Rev. a461 – ENGLISH (EN) – August 19, 2010 29
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