INTRODUCTION
1
5
M-PHASE 5000
www.krohne.com
04/2016 - 4004673401 - AD M-PHASE5000 Ex R01 en
1.2 Safety instructions for the operator
These notes and instructions shall accompany each device in an adequate form. 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.
Connection conditions:
Connection conditions:
Connection conditions:
Connection conditions:
1. If connection is made in a potentially explosive area, the connecting cable (unconnected cable
end) of the M-PHASE 5000 Multiphase flowmeter , shall be connected in an enclosure that
meets the requirements of an approved type of protection in accordance with EN 60079-0, sec-
tion 1.
2. The connecting cable of the M-PHASE 5000 Multiphase flowmeter shall be fixed and routed so
that it will be adequately protected against damage.
3. If the temperature at the cable inputs parts exceeds 70
º
C, heat-resistant connecting cables
shall be used.
4. The M-PHASE 5000 Multiphase flowmeter shall be included in the local equipotential bonding
system of the potentially explosive area. Components attached or installed (junction boxes,
bushings, Ex-type cable glands, connectors) shall be of a technical standard that complies as a
minimum with the specifications on the cover sheet, and shall have a separate examination cer-
tificate. The operating conditions specified in the component certificates must be complied
with.
WARNING!
•
Do not modify the device. Unauthorized modifications 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), especially the
regulations in EN 60079-14 "Electrical installations in hazardous locations", equivalent
national standard must be complied with.
•
Installation, establishment, utilization and maintenance are only allowed to be executed by
personnel with an education in explosion safety.
•
The flowmeter contains magnetic fields. Precautions have been taken to reduce stray fields.
Keep minimum 20 cm distance from flowmeter to pacemaker or other similar implanted
devices.
WARNING!
Do not open flameproof enclosures when an explosive atmosphere is present.
