KROHNE OPTIFLEX 2200 cFMus - Manual (Page 3)

GENERAL SAFETY INFORMATION
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OPTIFLEX 2200 C/F
www.krohne.com 12/2013 - 4003298701 - AD cFMus OPTIFLEX2200 R01 en
1.1 Scope of the document
These supplementary instructions (addendum) only contain the data applicable to the Dual Seal Dual Seal Dual Seal Dual Seal
system system system system.
These instructions are applicable only to the cFMus-approved version of the TDR level
transmitter. For more data about cFMus applications, refer to the certificate of compliance and
the control drawings. If you do not have these documents, contact the nearest office or download
them from the manufacturer's internet site.
For all other data, use the Quick Start and Handbook. If you do not have these documents,
contact the nearest office or download them from the manufacturer's internet site.
1.2 General notes
The Dual Seal system for this modular level meter agrees with American National Standard
ANSI / ISA-12.27.01-2003 (Requirements for Process Sealing Between Electrical Systems and
Flammable or Combustible Process Fluids). It uses the pressure relief valve principle:
• to make sure that the process fluid does not go into the electrical system and
• to show the condition of the primary seal.
INFORMATION!
The technical data for the non-Ex version in the Handbook shall be valid in its current version,
provided that it is not rendered invalid or replaced by these supplementary instructions, the
certificate of compliance and the control drawings.
WARNING!
Installation, commissioning and maintenance may only be carried out by "Personnel trained in
explosion protection".