Installation Location Requirements; Mounting Location - Siemens SITRANS LR250 Kompaktbetriebsanleitung

4.2

Installation location requirements

WARNING
Aggressive atmospheres
Danger to personnel, system and environment can result from unsuitable environment.
Provide an environment suitable to the housing rating and materials of construction.
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CAUTION
Direct sunlight
Device damage.
The device can overheat or materials become brittle due to UV exposure.
Protect the device from direct sunlight.
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Make sure that the maximum permissible ambient temperature is not exceeded. Refer to the information in Chapter
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"Technical data (Page 37)".
4.3 Proper mounting
4.3.1

Mounting location

Note
Correct location is key to a successful application.
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Avoid reflective interference from vessel walls and obstructions by following guidelines in this chapter.
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NOTICE
Incorrect mounting
The device can be damaged, destroyed, or its functionality impaired through improper mounting.
Before installing ensure there is no visible damage to the device.
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Make sure that process connectors are clean, and suitable gaskets and glands are used.
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Mount the device using suitable tools. Refer to the information in Installation instructions (Page 13) for installation
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torque requirements.
Note
On devices with a removable head, there is no limit to the number of times a device can be rotated without damage.
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When mounting, orient the front or back of the device towards the closest vessel wall or obstruction.
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Do not rotate the enclosure after programming and vessel calibration, otherwise an error may occur, caused by a polarity
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shift of the transmit pulse.
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SITRANS LR250 (FOUNDATION FIELDBUS)
A5E33472700-AA, 08/2014