Emerson Micro Motion G-Series Manuel utilisateur
Installation Manual
00825-0100-4630, Rev AA
October2023
Micro Motion™ G-Series Coriolis Flow and
Density Sensors
Safety messages
Safety messages are provided throughout this manual to protect personnel and equipment. Read each safety
message carefully before proceeding to the next step.
Safety and approval information
This Micro Motion product complies with all applicable European directives when properly installed in accordance
with the instructions in this manual. Refer to the EU Declaration of Conformity for directives that apply to this
product. The following are available: the EU Declaration of Conformity, with all applicable European directives, and the
complete ATEX installation drawings and instructions. In addition, the IECEx installation instructions for installations
outside of the European Union and the CSA installation instructions for installations in North America are available at
Emerson.com or through your local Micro Motion support center.
Information affixed to equipment that complies with the Pressure Equipment Directive, can be found at
Emerson.com. For hazardous installations in Europe, refer to standard EN 60079-14 if national standards do not
apply.
Other information
Troubleshooting information can be found in the appropriate Configuration and Use Manual. Product data sheets and
manuals are available from the Micro Motion website at Emerson.com.
Return policy
Follow Micro Motion procedures when returning equipment. These procedures ensure legal compliance with
government transportation agencies and help provide a safe working environment for Micro Motion employees.
If you fail to follow Micro Motion procedures, then Micro Motion will not accept your returned equipment.
Return procedures and forms are available on our web support site at Emerson.com, or by calling the Micro Motion
Customer Service department.
2
Contents
Chapter 1 Before you begin....................................................................................................................... 5
1.1 About this document.................................................................................................................. 5
1.2 Hazard messages........................................................................................................................ 5
1.3 Related documentation.............................................................................................................. 6
Chapter 2 Planning..................................................................................................................................... 7
2.1 Installation checklist....................................................................................................................7
2.2 Best practices...............................................................................................................................8
2.3 Temperature limits......................................................................................................................8
Chapter 3 Mounting..................................................................................................................................11
3.1 Mount the sensor...................................................................................................................... 11
Chapter 4 Wiring....................................................................................................................................... 13
4.1 Options for wiring..................................................................................................................... 13
4.2 Connect 4-wire cable.................................................................................................................13
Chapter 5 Grounding................................................................................................................................ 19
Chapter 6 Supplementary information.................................................................................................. 21
6.1 Pressure relief............................................................................................................................21
Installation Manual Contents
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Installation Manual 3
Contents Installation Manual
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4 Micro Motion G-Series
1 Before you begin
1.1 About this document
This document provides information on planning, mounting, wiring, and grounding the
G-Series sensor.
The information in this document assumes that users understand basic transmitter and
sensor installation, configuration, and maintenance concepts and procedures.
1.2 Hazard messages
This document uses the following criteria for hazard messages based on ANSI standards
Z535.6-2011 (R2017).
DANGER
Serious injury or death will occur if a hazardous situation is not avoided.
WARNING
Serious injury or death could occur if a hazardous situation is not avoided.
CAUTION
Minor or moderate injury will or could occur if a hazardous situation is not avoided.
NOTICE
Data loss, property damage, hardware damage, or software damage can occur if a
situation is not avoided. There is no credible risk of physical injury.
Physical access
WARNING
Unauthorized personnel can potentially cause significant damage and/or
misconfiguration of end users' equipment. Protect against all intentional or unintentional
unauthorized use.
Physical security is an important part of any security program and fundamental to
protecting your system. Restrict physical access to protect users' assets. This is true for all
systems used within the facility.
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Installation Manual 5
1.3 Related documentation
You can find all product documentation at https://www.emerson.com/en-ca/automation/
micro-motion.
See any of the following documents for more information:
•The hazardous area approvals documentation shipped with the sensor or available
at www.emerson.com/flowmeasurementhttps://www.emerson.com/en-ca/automation/
micro-motion.
•Micro Motion G-Series Flow and Density Meters Product Data Sheet
•Micro Motion 9-Wire Flowmeter Cable Preparation and Installation Manual
•The transmitter installation guide and the transmitter configuration and use guide
Before you begin Installation Manual
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6 Micro Motion G-Series
2 Planning
2.1 Installation checklist
□Make sure that the hazardous area specified on the approval tag is suitable for the
environment in which the meter will be installed.
WARNING
Failure to abide by approvals can cause an explosion resulting in injury or death.
□Verify that the local ambient and process temperatures are within the limits of the
meter.
□If your sensor has an integral transmitter, no wiring is required between the sensor
and transmitter. Follow the wiring instructions in the transmitter installation manual for
signal and power wiring.
□If your transmitter has remote-mounted electronics, follow the instructions in this
manual for wiring between the sensor and the transmitter, and then follow the
instructions in the transmitter installation manual for power and signal wiring.
Table 2-1: Maximum cable lengths
Cable type To transmitter Maximum length
Micro Motion
9-wire
5700 transmitter 1,000ft (305m)
All other MVD transmitters 60ft (18m)
Micro Motion
4-wire
All 4-wire MVD transmitters 1,000ft (305m) without Ex-approval
500ft (152m) with IIC-rated sensors
1,000ft (305m) with IIB-rated sensors
Table 2-2: Maximum lengths for user-supplied 4-wire cable
Wire function Wire size Maximum length
Power (VDC) 22AWG (0.326mm²) 300ft (91m)
20AWG (0.518mm²) 500ft (152m)
18AWG (0.823mm²) 1,000ft (305m)
Signal (RS-485) 22AWG (0.326mm²) or larger 1,000ft (305m)
□For optimal performance, install the sensor in the preferred orientation. The sensor will
work in any orientation as long as the flow tubes remain full of process fluid.
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Table 2-3: Preferred sensor orientation
Process Preferred orientation Secondary preferred
orientation
Alternate suitable
orientation
Liquids &&
slurries
Gases
□Install the meter so that the flow direction arrow on the sensor case matches the actual
forward flow of the process. (Flow direction is also software-selectable.)
2.2 Best practices
•There are no pipe run requirements for Micro Motion sensors. Straight runs of pipe
upstream or downstream are unnecessary.
•If the sensor is installed in a vertical pipeline, liquids and slurries should flow upward
through the sensor.
•Keep the sensor tubes full of process fluid.
•For halting flow through the sensor with a single valve, install the valve downstream
from the sensor.
•The sensor does not require external supports. The flanges will support the sensor in
any orientation.
2.3 Temperature limits
Sensors can be used in the process and ambient temperature ranges shown in the
temperature limit graphs. For the purposes of selecting electronics options, temperature
limit graphs should be used only as a general guide. If your process conditions are close to
the gray area, consult technical support.
WARNING
Temperature limits may be further restricted by hazardous area approvals that are
necessary to avoid potential injury to personnel and damage to equipment. Refer to the
hazardous area approvals documentation shipped with the sensor for specific
temperature ratings for each model and configuration.
Note
In all cases, the electronics cannot be operated where the ambient temperature is below
-40°F (-40.0°C) or above 140°F (60.0°C). If a sensor is to be used where the ambient
temperature is outside of the range permissible for the electronics, the electronics must
Planning Installation Manual
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8 Micro Motion G-Series
be remotely located where the ambient temperature is within the permissible range, as
indicated by the shaded areas of the temperature limit graphs.
Ambient and process temperature limits for all G-Series meters
Tamb = Ambient temperature °F (°C)
Tproc = Process temperature °F (°C)
A = All available electronic options
B = Remote mount electronics only
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Planning Installation Manual
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10 Micro Motion G-Series
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