KROHNE OPTIFLUX 4040 C Ex EN - Manual (Page 6)

1
INTRODUCTION
6
OPTIFLUX 4040 C
www.krohne.com 09/2010 - 7312232100 - AD EX OPTIFLUX 4040 C R01 en
For information, maintenance or service please contact your nearest local KROHNE
representive.
1.2 Safety instructions for the operator
These additional instructions are an extension to the handbook. All technical information as
described in the handbook is applicable, when not specifically excluded, completed or replaced
by the instructions in these additional instructions.
1.3 Approval
The OPTIFLUX 4040 C-EEx electromagnetic compact flowmeter in 2-wire technology is in
accordance with European Directive 94/9/EC (ATEX 100a) and approved for hazardous classified
areas of Zone 1 and 2 under:
KEMA 01 ATEX 2200 X KEMA 01 ATEX 2200 X KEMA 01 ATEX 2200 X KEMA 01 ATEX 2200 X
1.4 General description
The OPTIFLUX 4040 C-EEx flowmeter consists of the IFC 040 signal converter unit, which is
screwed on top of the flow sensor. The flowmeter is marked with one of the codes below:
EEx marking:
WARNING!
• Do not change the device. Unauthorized changes affect the explosion safety of the devices.
• The prescriptions and regulations as well as the electrical data described in the EC type
examination certificate must be obeyed.
• Beside the instructions for electrical installations in non-hazardous locations according to
the applicable national standard (equivalent to HD 384 or IEC 60364, e.g. VDE 0100),
especially the regulations in EN 60079-14 "Electrical installations in hazardous locations",
equivalent national standard (e.g. DIN VDE 0165 Part 1) or dust hazardous areas such as
EN 61241-14 must be complied with!
• Installation, establishment, utilization and maintenance are only allowed to be executed by
personnel with an education in explosion safety!
INFORMATION!
All type examination certificates can be downloaded from the website.
Nominal Nominal Nominal Nominal
diameter
diameter diameter diameter
EEx e and d connection compartment, EEx e and d connection compartment, EEx e and d connection compartment, EEx e and d connection compartment,
II 2 GD
10...20 EEx dme [ib] IIC T6...T3
25...150 EEx de [ib] IIC T6...T3