Cerabar S PMP71 with 4 to 20 mA HART Installation
Endress+Hauser 11
3.3.1 Installation instructions
!
Note!
• If a heated Cerabar S is cooled during the cleaning (e.g. by cold water), a vacuum develops for a
short time, whereby water can penetrate the sensor through the pressure compensation point (1).
If this is the case, mount the sensor with the pressure compensation point (1) pointing
downwards.
• Keep the pressure compensation and GORE-TEX
®
filter (1) free from contamination and water.
• Cerabar S devices are mounted as per the norms for a manometer (DIN EN 837-2). We
recommend the use of shutoff devices and siphons. The orientation depends on the measuring
application.
• Do not clean or touch process isolating diaphragms with hard or pointed objects.
• To comply with ASME-BPE requirements regarding cleanability (Part SD Cleanability), the device
must be installed as follows:
Pressure measurement in gases
P01-PMx7xxxx-11-xx-xx-xx-001
Fig. 6: Measuring arrangement for pressure measurement in gases
1 Cerabar S
2 Shutoff device
1
1
1
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