Differential Pressure - TESTO 330 Instruction Manual

6.2.7.

Differential pressure

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.
✓ The gas pressure set (0554 1203) must be connected.
Calling up the function:
Performing the measurement:
✓ At the start of the measurement, the instrument's pressure
socket must be unpressurised (e.g. instrument must not be
connected to the system to be tested), as the pressure sensor
has to be zeroed first.
- Pressure zeroing.
2. Connect a silicone hose to the testo 330-2 and the system to be
tested.
- The meas. view is displayed.
Options:
> [Options]
> [Options] → Delete
is deleted.
> [Options]
> [Options]
form of a line graph.
> [Options]
during a measurement): The measurement view menu is
opened.
WARNING
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.
→ Clipboard: Data are saved to the clipboard:
→ Save: The meas. views are saved in a protocol.
→ Show
→ Readings
clipboard: Any data saved to the clipboard
Graphic: The meas. views are displayed in
Display: (This function is not available
6 Using the product
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