Flowserve NRS 1-50 For TWO Electrodes User Manual
Page 2
Contents
Usage for the intended purpose ..............................................................................................................4
Function .................................................................................................................................................4
Application
Page
Directives and Standards
Pressure Equipment Directive (PED) 97/3/EC ........................................................................................5
Functional Safety acc. to IEC 6508 5 .....................................................................................................5
VdTÜV Bulletin “Wasserstand 00” (= Water Level 00) ..........................................................................5
Approvals for Marine Applications ...........................................................................................................5
LV (Low Voltage) Directive and EMC (Electromagnetic Compatibility) .......................................................5
ATEX (Atmosphère Explosible) .................................................................................................................5
Safety characteristics of the subsystem NRG ...-50 / NRS -50 .............................................................6
Terms and abbreviations .........................................................................................................................6
Determination of the Safety Integrity Level (SIL) for safety-related systems .............................................7
Functional Safety acc. to IEC 61508
NRS -50..............................................................................................................................................
Dimensions and Functional Ele-
Safety note ...........................................................................................................................................
Scope of supply ....................................................................................................................................
Important Notes
NRS -50..........................................................................................................................................8 – 9
Name plate / marking ...........................................................................................................................0
Technical Data
Mounting level switch NRS -50 ...........................................................................................................3
Installation