5
Technical Information
User Interface
Option Menu
The Option collects together all the main settings of the PHD-4. The
following items can be accessed:
Language
Using the Language menu, it is possible to set the language used by
the Human Interface Device to communicate with the operator. There
are four possible options
English
Italiano
French
Deutsch
Unit of measure
From this menu, it is possible to set the unit of measurement to be
used when tracing leaks.
Possible options include:
PPM
mbarL/sec
cm
cm
108/140
3
/sec
3
/min
PHD-4 Portable Helium Detector User Manual / 87-900-120-01 (F )