Siemens SITRANS FMS500 - Direct burial

5.6 Direct burial
Recommendations for direct burial of remote sensor:
• Check for visible damages in paint 󹪝nish !
• Use protection conduit !
• Protect sensor with pea gravel at least 300 mm around sensor. This provides some drainage
and also avoids caking sensor with earth. It also helps to locate sensor in case excavation
takes place.
Figure5-3 Direct burial of sensor
CAUTION
Sensor should not be subject to heavy vehicles applying excessive weight above sensor or
pipeline
NOTICE
SENSORPROM memory unit
Remove the SENSORPROM from terminal box on sensor and relocate in remote transmitter
prior to burying sensor.
All sensor data plate information and serial number should be recorded for each sensor prior
to burying. This will ensure correct matching with SENSORPROM unit.
WARNING
Electrical cable identi󹪝cation
Use suitable coil and electrode cables
Lay electrical cable identi󹪝cation tape above pea gravel before it is covered with earth.
Connecting
5.6Direct burial
SITRANS FMS500
38 Operating Instructions, 01/2024, A5E52677520-AA