1.3.2 Pictographs
Pictographs used in the document indicate useful information.
Note
Tip
1.3.3 Stickers on the product
This section describes all the stickers on the product along with their meaning.
Pfeiffer Vacuum
D - 35614 Asslar
Germany
MVP 020-3DC
PK T01 198
24 V –
max. 5.5 A
Pw: 64 W
m: 4.3 kg S 1.2 m /h
Ser.-Nr.:
xxxxxxxxxxxx
(N
2
)
3
Rating plate
The rating plate is located on the cover of the electronics.
Warning of hot surfaces
The label warns of hot surfaces during operation or immediately after
switching off the vacuum pump.
warranty seal
Closure seal
The diaphragm heads are sealed at the factory. Damaging or remov-
ing a closure seal results in loss of the warranty.
Tbl. 1:
Stickers on the product
1
2
Fig. 1:
Position of the labels on the product
1 Rating plate of the diaphragm pump
Incl. hot surface warning sign
2
Closure seal
1.3.4 Abbreviations
Abbreviation Meaning in this document
DC
Direct current
DN
Nominal diameter (from the French: diamètre nominal)
f
Rotation speed value of a vacuum pump (frequency, in rpm or Hz)
LED
Light emitting diode
MVP
Diaphragm vacuum pump
PE
Earthed conductor (protective earth)
PTFE
Polytetrafluoroethylene
PWM
Pulse width modulation
(Type of modulation in which one technical variable (e.g. The electrical voltage)
changes between 2 values.)
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