Mean; P = 0 (435-3/-4 Only) - TESTO 435 Instruction Manual

22 6. Setting the instrument
Activating the TURB measuring program:

The measuring program for measuring turbulence is only available if a
turbulence probe is plugged in.
The main menu is open, Menu is displayed.

Meas-Prog 
1
Press
2
- The instrument returns to measurement view.

6.2.3 Mean

The menu item Mean value calculation is only available in the instrument
testo 435-2/-4. In the instrument testo 435-1/-3, the function Mean value
calculation is called up with the function button
For carring out Mean value calculation see chapter Measuring, p. 26.

6.2.4 P = 0 (435-3/-4 only)

The internal pressure sensor can be zeroed.
The measurement values can be falsified by a change in the position of the
measuring instrument. After zeroing, the position of the measuring instru-
ment must not be changed. Carry out zeroing before every measurement in
order to compensate faulty positioning or long-term zero-point drift. Zeroing
is only possible in a range of 0...25% of the measuring range.
Zeroing the internal pressure sensor:

The main menu is open, Menu is displayed.

P = 0 

.
OK
/ to select Turb and confirm with
.
OK
.
OK
.
Mean