INFICON Protec P3000(XL) Helium Leak Detector - Manual (Page 7)

General Safety Precautions
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Warning
Do not stare into the LEDs of the sniffer line intentionally for extended times or at a
close distance as this may cause permanent damage to the eye.
Warning
Danger of electric shock.
Don’t touch voltaged parts with the sniffer tip. Test samples need to be
disconnected from electricity before leak testing.
Warning
For all contacts of the I/O Port a maximum voltage of 60 V DC or 25 V AC must not
be exeeded or reached to ground or ground equipment conductors.
According to the type of in- or outputs lower voltages had to be accepted. For this,
please refer to the information given in the responding chapters.
Warning
For all maintenance on the Protec P3000, the Protec P3000 must be disconnected
from power.
Warning
Before exchanging the air filter the Protec P3000 must be disconnected from
power.
Warning
Before exchanging the fuses the Protec P3000 must be disconnected from power.