Working With Measurement Tools And Isotherms; Setting Up Measurement Tools; General; Procedure - FLIR T4xx series User Manual

19
Working with measurement tools
and isotherms

19.1 Setting up measurement tools

19.1.1 General

To measure the temperature, you use one or more measurement tools. This section
gives you examples how you set up a spotmeter or an area.

19.1.2 Procedure

Follow this procedure:
1. Push the Menu/Back button.
2. On the main menu, go to the Tools button
3. On the Tools menu, select one of the following:
• Add spot .
• Add box .
• Add circle .
Note
• The area inside the center of the spotmeter must be covered by the object of interest, to display a
correct temperature.
• For accurate measurements, you must set the object parameters. See 19.8 Changing object param-
eters, page 49.

19.2 Setting up a difference calculation

19.2.1 General
You can let the camera calculate the temperature difference between, for example, a
spotmeter and an area. This assumes that you have previously set up at least two meas-
urement tools.
19.2.2 Procedure
Follow this procedure:
1. Push the Menu/Back button.
2. On the main menu, go to the Tools button
3. On the Tools menu, select Add difference
you can select the two measurement tools from which you want to calculate the
difference.
4. Push the joystick to confirm the choice.

19.3 Setting up isotherms

19.3.1 General
You can make the camera display an isotherm color when certain measurement condi-
tions are met. The following isotherms can be set up:
• An isotherm color that is displayed when a temperature rises above a preset value.
• An isotherm color that is displayed when a temperature falls below a preset value.
• An isotherm color that is displayed when a temperature is between two values.
• An isotherm color that is displayed when the camera detects an area where there may
be a risk of humidity in a building structure.
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and push the joystick.
and push the joystick.
. This will display a dialog box where
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