Notes on how to use this handbook, Symbols of vacuum technology, 1 symbols of vacuum technology – INFICON Protec P3000(XL) Helium Leak Detector User Manual

Page 19: Warning, Caution

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General Information

1-9

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ook

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For all Protec P3000
configurations

1.4

Notes on How to Use This Handbook

Important remarks concerning operational safety and protection are emphasised as
follows:

Notice

Indicates special requirements the user must comply with.

The references to diagrams, e.g. (2-1/6) consist of the Section No., Fig. No. and the
Item No. in that order. For example: (2-1/6) means Section 2, Fig. 1 and Item No. 6
(here: mains switch).

1.4.1

Symbols of Vacuum Technology

In the following some important symbols of vacuum technology as used in this
handbook are shown:

Holder for SL3000(XL)

525-006

PRO-Check reference leak for helium

521-001

Calibrated sniffer leaks for helium

S-TL 4, approx.1 x 10

-4

mbar l/s

122 37

S-TL 5, range 10

-5

mbar l/s

122 38

S-TL 6, range 10

-6

mbar l/s

122 39

Warning

Indicates procedures that must be strictly observed to prevent hazards to persons.

Caution

Indicates procedures that must strictly be observed to prevent damage to or
destruction of the Protec P3000 leak detector.

Diaphragm pump

Vacuum gauge

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