□
The sensor has a pressure relief feature to evacuate the case in the unlikely event of
a loss of primary containment:
- The pressure relief feature is located underneath the calibration tag.
- Orient the sensor so that personnel and equipment will not be exposed to
escaping pressurized discharge along the pressure relief path.
Pressure relief featureFigure 1-1:
A. Pressure relief path
B. Calibration tag
CAUTION!
Failure to properly orient the sensor could result in exposure to pressurized
discharge. Orient the sensor in a way that will not expose personnel and equipment
to the pressure relief path.
- If the pressure relief feature is activated by a loss of primary containment, the
calibration tag will release from the case.
□
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.)
1.2 Best practices
The following information can help you get the most from your sensor.
• 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. Gases should flow downward.
• 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.
• Minimize bending and torsional stress on the meter. Do not use the meter to align
misaligned piping.
• The sensor does not require external supports. The flanges will support the sensor in
any orientation.
Planning
2 Micro Motion CNG050
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