TESTO 872 - Page 29

7 Performing the measurement
27
comparisons).
Scaling influences the way the infrared image is shown on the display
but does not affect the recorded measuring values.
With ScaleAssist, a standardized scale is set depending on the inside
and outside temperature.
Setting automatic scaling
1
- Select the Scale function.
2
- Move the joystick up/down until Auto is selected.
3
- Select ✔ and press OK.

Automatic scaling is activated. A is displayed bottom right.
Setting manual scaling
The lower limit value, the temperature range (upper and lower limit value
simultaneously) and the upper limit value can be set.
1
- Select the Scale function.
2
- Press OK.
3
- In the mode menu, move the joystick up/down until Manual is
selected.
4
- Move the joystick to the right, select Min. Temp. (lower limit value).
- Move the joystick up/down to set the values.
5
- Move the joystick to the right, select Max. Temp. (upper limit value).
- Move the joystick up/down to set the value.
5.1
- If necessary, Select X and press OK to go back to the mode menu.
6
- Select ✔ and press OK.

Manual scaling is activated. M is displayed bottom right.
Setting ScaleAssist
The ScaleAssist function calculates a display-neutral scale depending on the
inside and outside temperature. This scale graduation can be used to detect
structural defects in buildings.