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Introduction
January 2023
1.9
Safety conditions
Rosemount 3810 Series Liquid Ultrasonic Meters are approved to the ATEX
Directive 94/9/EC.
Refer to the 3810 Series Systems Wiring Diagram, Sheet 3 (DMC-004936) for the
certification tag (see
Rosemount 3810 Series Liquid Ultrasonic Meters are INMETRO certified. Refer to
the 3810 Series Liquid Ultrasonic Flow Meter Tag, INMETRO Certification drawing
DMC-006173.
Certificate number: NCC 11.0163 X
Marking: --Ex d ia IIB T4 Gb IP66 W
Electrical parameters: Refer to
Special conditions for safe use
•
Explosion proof joint dimensions are compliant with the Brazilian Association
of technical standard: ABNT NBR IEC 60079-1, Table 3.
•
The enclosure for the explosion proof transmitter and intrinsically safe barrier
must be remote mounted (refer to
operating temperature exceeds 140 °F (60 °C) (refer to
Table
•
Cable length (refer to
WARNING
EXPLOSION OR FIRE HAZARD
Read and follow the instructions below:
•
Conduit runs must have a sealing fitting within 457mm (18 inches) of the
enclosure to reduce the risk of an explosion or a fire.
•
During operation, keep covers tightly closed. DO NOT open the transmitter
electronics enclosures when an explosive atmosphere may be present.
•
During equipment maintenance, disconnect power before opening the
transmitter electronics enclosures. Clean cover joints before replacing.
•
DO NOT substitute meter components. Substituting components may
compromise the intrinsic safety of the device.
Failure to follow these safety instructions can result in severe injury to personnel
or cause damage to the equipment.
1.10
Certifications and approvals
Rosemount 3814 Liquid Ultrasonic Flow Meters have electrical, metrology,
intrinsic safety and Pressure Equipment Directive certifications and approvals by
the agencies listed below. Refer to the nameplate tag on the meter body, the
wiring diagram (DMC-004936) in
20
Engineering
1-2)
Meter
Drawings).
Meter
specifications,
Table 1-2
Meter
specifications,
specifications,
Table
1-2)
Engineering Drawings
Installation manual
00825-0100-3814
Table
1-2) if the
Meter
specifications,
and observe all safety
Emerson.com/Rosemount
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