TESTO 883 - Emissivity

11 Performing the measurement
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1
Open the Menu.
2
Select Scale (joystick or touchscreen).

Scale opens.
3
Select ScaleAssist.
4
Move the joystick to the right, select Temp. In (indoor temperature).
Move the joystick up/down to set the value.
5
Move the joystick to the right, select Temp. Out (outdoor temperature).
Move the joystick up/down to set the value.
6
If necessary, move the joystick to the left, back to the mode menu.
7
Confirm selection with  or exit the menu with X.

Manual scaling is activated. S is displayed at bottom right.
11.5 Emissivity
You can choose between user-defined emissivity and 8 materials with
permanently set emissivity. The reflected temperature (RTC) can be set
individually.