Differential Pressure - TESTO 330 Instruction Manual

6 Using the product
6.2.7.

Differential pressure

✓ The gas pressure set (0554 1203) must be connected.
Calling up the function:
> [
[OK].
Performing the measurement:
WARNING
Dangerous mixture of gases
Danger of explosion.
> Make sure there are no leaks between the sampling point and
the measuring instrument.
> Do not smoke or use naked flames during measurement.
1. Start measurement:
- Pressure zeroing.
2. Pressurize the system.
- The meas. view is displayed.
3. Quit measurement:
Options:
> [Options]
> [Options]
> [Options]
form of a line graph.
> [Options]
during a measurement): The measurement view menu is
opened.
50
] → Measurements
Do not measure for longer than 5 min, as the drift of the
pressure sensor could have the effect that the meas. views
are outside the tolerance limits.
[
testo 330-2, Program active (see Programs page 42): The
pressure socket of the instrument must be free (i.e.
unpressurized, not closed) while a measurement program
is running.
[
→ Clipboard: Data are saved to the clipboard:
→ Save: The meas. views are saved in a protocol.
→ Show Graphic: The meas. views are displayed in
→ Readings
→ [OK] → Differential Pressure
].
].
Display: (This function is not available
→