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Appendix
A.2 List of abbreviations
Abbreviation/
symbol
O 6
PROFIBUS
PTB
QAL
RC element
SELV
SIPROM GA
TÜV
U 6
LEL
VDE
vpb
vpm
72
Description
OXYMAT 6
Process Field Bus
Physikalisch-Technische Bundesanstalt (German technical inspectorate)
Quality Assurance Level
Resistor, Capacitor;
switch which consists of an ohmic resistor and a capacitor.
Safety Extra Low Voltage
Siemens Process Maintenance for Gas Analyzers
Technischer Überwachungsverein, German Technical Inspectorate
ULTRAMAT 6
Lower Explosion Limit
Verband der Elektrotechnik, Elektronik und Informationstechnik (German Association
for Electrical, Electronic and Information Technologies)
Parts per billion by volume
Parts per million by volume
Compact Operating Instructions in accordance with EN 61010-1 and EN 60079-0
Compact Operating Instructions, 09/2018, A5E45779389002-01
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