Baker Hughes PanaFlow Z1G, User Manual

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Measurement and control
Certification and safety statements for the PanaFlow Z1G/Z2G ultrasonic gas
flow meters
When installing this apparatus in potentially hazardous
areas, the following requirements must be met:
• Field wiring shall be rated at least 5°C above maximum
ambient or fluid temperature, whichever is greater.
• Connecting cables shall be mounted securely and
protected from mechanical damage, pulling and
twisting.
• Conduit seals are required within 18 inches of the
enclosure.
• Cable entries are 3/4” or ½” NPT.
• Cable glands of an approved flameproof design are
required. These must be installed according to the
manufacturer’s instructions. Where the cable glands
are provided by Panametrics, the manufacturer’s
instructions, as supplied, to Panametrics, will be
included in the documentation.
• The system is covered by the certificate numbers
FM14ATEX0045X and IECEx FMG 14.0021X as shown on
the labels below. The system is certified as ATEX and
IECEx: II 2 G Ex d IIB +H2 T6 Gb in Ta = -20°C to +60°C
ambient, Type 4X and IP66. The system temperature
code is dependent upon the process fluid temperature
ranges of -20°C to +150°C. Refer specific conditions of
use for ATEX and US/Canada for more information about
temperature code.
• Unused entries must be sealed using a suitably certified
threaded plug.
• Modifications to the flameproof enclosure are not
permitted.
• The apparatus should be de-energized before opening.
• Installation shall be in accordance with the installation
instructions and the National Electrical Code® ANSI/NFPA
70, the Canadian Electrical Code C22.1, or IEC/EN 60079-
14, as applicable.
• Equipment is of type flameproof “d” design and
complies with the standards listed in table below.
• The product contains no exposed parts which produce
surface temperature infrared, electromagnetic ionizing,
or non-electrical dangers.
• The product must not be subjected to mechanical or
thermal stresses more than those permitted in the
certification documentation and the instruction manual.
• The product cannot be repaired by the user; it must be
replaced by an equivalent certified product. Repairs
should only be carried out by the manufacturer or by an
approved repairer.
• Only trained, competent personnel may install, operate
and maintain the equipment.
• The product is an electrical apparatus and must be
installed in the hazardous area in accordance with the
requirements of the EU Type Examination Certificate.
The installation must be carried out in accordance with
all the appropriate international, national and local
standard codes and practices and site regulations
for flameproof apparatus and in accordance with the
instructions contained in the manual. Access to the
circuitry must not be made during operation.
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