36 Operation of the Protec P3000
3.3 Controls on the probe display unit
On the display of the probe handle similar information as on the main display is
shown.
The currently detected leak rate is indicated as a bar graph. In a second line the
numerical leak rate (in the same unit of measurement as on the main display) is
shown. In the third line the type of gas equivalent is stated (e.g. He or R134a).
For Protec P3000XL only:
If the Protec P3000XL is operated in
HIGH FLOW mode, the gas equivalent is
displayed in inverted characters (on dark background).
The sniffer probe offers two press buttons. By pressing the left button the current
background reading is set to ZERO. For details on the ZERO function please refer to
4.4.1. ZERO.
The right probe button is used for navigation when working in I•Guide mode (see
Section 3.4.2) or for starting an internal calibration (see Section 3.5.2)
3.4 Performing measurements
The Protec P3000 offers two modes of operation:
• The Standard Operation Mode (compatible to the Protec mode)
• The I•Guide Operating Mode
Standby Function
The Protec P3000 offers a
STANDBY function to prevent the needless intake of
contaminants into the sniffer probe during idle times, thus saving filter and sensor life
time.
Pos.
1
2
3
Description
Bar graph indicating the leak rate
Absolute leak rate
Gas equivalent
Fig. 21 Sniffer display in standard operation mode
Danger of electric shock.
Don’t touch voltaged parts with the sniffer tip. Test samples need to be discon-
nected from electricity before leak testing.
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