Mounting. Micro Motion Liquified Natural Gas Meter

Micro Motion Liquified Natural Gas Meter measures the mass and volume flow of liquefied natural gas (LNG), and is suitable for use in the custody transfer, inventory control, and safety management of LNG cargo and storage tanks. It accurately measures two-phase flow and entrained gas, and eliminates the need for temperature and pressure compensation.

Installation Manual

MMI-20032351

3

3.1

3.2

Mounting

August 2019

Mounting

Provide for maintenance accessibility

Mount the electronics enclosure in a location and orientation that satisfies the following conditions:

• Allows sufficient clearance to open the enclosure cover. Micro Motion recommends

7.88 in (200 mm) to 9.85 in (250 mm) clearance at the rear of the electronics enclosure.

• Provides clear access for installing cabling to the enclosure.

Mount the LNG sensors

Use best practices to minimize torque and bending load on process connections.

CAUTION

Do not lift the sensor by the electronics or cable as this can damage the device.

Procedure

1. Mount the gas return sensor (the LNGS06).

• Do not use the sensor to support the piping.

• The sensor does not require external supports. The flanges will support the sensor in any orientation.

2. Mount the filling sensor (the LNGM10).

Installation Manual 9

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Frequently Answers and Questions

What should be considered if I plan to mount the LNG meter in a hazardous area?

Ensure that the hazardous area specified on the approval tag is suitable for the environment.

What are the temperature limits for the LNG meters?

Verify that the local ambient and process temperatures are within the limits specified for the LNG meters.

What type of power is required for the core processor?

Low-voltage DC power is required for the core processor. Excess voltage can damage the core processor.

How should the LNG electronics be mounted?

Mount the LNG electronics in any orientation as long as the conduit openings do not point upward to avoid condensation entering the housing and damaging the electronics.

How should the sensors be installed?

Install the sensors so that the flow direction arrow on the case matches the actual forward flow of the process.

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Mounting. Micro Motion Liquified Natural Gas Meter

3

3.1

3.2

Mounting

Provide for maintenance accessibility

Mount the LNG sensors

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Frequently Answers and Questions

What should be considered if I plan to mount the LNG meter in a hazardous area?

What are the temperature limits for the LNG meters?

What type of power is required for the core processor?

How should the LNG electronics be mounted?

How should the sensors be installed?

Table of contents

LNG 系列科里奥利质量流量计和密度仪表