Volume Flow Measurement - TESTO 300 XXL Instruction Manual

Example measurement
Velocity measurement (volume velocity measurement with funnel)
with the control unit
Initialisation
10 sec
Zeroing
20 sec
Measurement menu
1 sec
Function menu
Select "Vol"
Measurement menu
Main menu
Select "Input"
34
Volume flow measurement at an inducing opening
A volume flow rate funnel is required for volume flow rate
measurement at an inducing opening (grid or cap with
annular gap).
The opening of the funnel must completely cover the grid
(max. 200 x 200 mm with 0554.0400 or max. 350 x
350 mm with 0554.0410).
1 Connect velocity probe, preferably 0635.1041, to the
probe input of the control unit.
2 Switch on control unit.
3 Activate the function menu with the
the function keys. Select function key
and confirm with
4 Enter duct diameter:
- Press
- From Main menu - Input - Parameter - Cross section -
Circle - enter value 8.82 cm.
5 Accept the value with function key
6 Return to the measurement menu with
7 Start measurement with
Select "Parameter"
Select "Cross section"
.
key
VOL
Select "Circle"
Enter value
End
key and one of
with
VOL
End
.
.
Value is automatically
saved
Measurement menu
Vol
Measurement menu