Mounting A Pressure Guard - Siemens SITRANS F C MASS 2100 Di 3 Operating Instructions Manual

Installing/Mounting

4.5 Mounting a pressure guard

4.5 Mounting a pressure guard
The sensor enclosure is supplied with two 1/8" nipples. These holes can be used for e.g. a
pressure guard, which can be connected to an automatic shut off valve which will stop the
flow in case of sensor pipe fracture.
Mounting of pressure guard
Avoid moisture, liquids or particles getting into the sensor enclosure
All sensors are filled with argon to avoid condensation. Penetration of humidity, liquids or
particles into the sensor may influence the measurement and in worst case affect the
measuring function.
Install a pressure guard as follows:
1. Place the sensor in a dry, clean place and leave it to acclimatize until it reaches ambient
2. Carefully disconnect the nipple and mount the pressure guard. Use the enclosed spare
3. Make sure that the pressure guard does NOT touch any of the parts inside the sensor.
4. Check that the pressure guard has been correctively mounted and thoroughly tightened.
See also
Pressure guards are not supplied with the sensor. For more information, please refer to
www.siemens.com/sitransp (http://www.siemens.com/sitransp)
22
CAUTION
temperature, preferred 20°C (68°F).
part sealing ring for proper sealing.
After dismantling the sealing ring must be replaced with a new sealing ring.
SITRANS F C MASS 2100 Di 3-40
Operating Instructions, 07/2010, SFIDK.PS.028.Z1.02