Medela Basic - 4 Overview; Definition of Vacuum; Versions and Main Elements of the Pump

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Overview | 11
4 Overview
Definition of vacuum
By the application of medical aspiration devices, vacuum is normally given as the difference
(in absolute figures) between absolute pressure and atmospheric pressure or as negative val-
ues in Kilopascal (kPa). In this document, the indication of -10 kPa for example always refers
to a pressure range in kPa below atmospheric ambient pressure (according to EN ISO
10079:1999).
Vacuum gauge
Vacuum regulator
On/off button
Safety Set
Handle with two
holders for jars
Standard rail
Mobile trolley
(optional accessory)
Foot on/off
switch (trolley)
All castors
with brakes
Portable version:
Rack version:
Versions and main
elements of the pump
Mobile version: