User's Manual
Table Of Contents
- Table of contents
- Important document information
- Terms and abbreviations
- Registered trademarks
- Function and system design
- Input
- Output
- Power supply
- Performance characteristics
- Installation
- Environment
- Process
- Mechanical construction
- Operability
- Certificates and approvals
- CE mark
- RoHS
- RCM-Tick marking
- Ex approval
- Dual seal according to ANSI/ISA 12.27.01
- Functional safety
- WHG
- Pressure equipment with allowable pressure ≤ 200 bar (2
- Marine approval
- Radio standard EN 302729-1/2
- Radio standard EN 302372-1/2
- FCC
- Industry Canada
- CRN approval
- Test, certificate
- Hard-copy product documentation
- Other standards and guidelines
- Ordering information
- Application Packages
- Accessories
- Supplementary documentation
Micropilot FMR67
Endress+Hauser V. 1, Rev. 3, 11-04-2017 33
Use
In applications with strong dust emissions, the integrated purge air connection can prevent the
antenna from becoming clogged. Pulse operation is recommended.
Purge air pressure range
• Pulse operation :
Max. 6 bar (87 psi)
• Continuous operation:
200
to 500 mbar (3 to 7.25 psi)
Always use dry purge air.
In general, purging should only be performed to the extent necessary as excess purging can
cause mechanical damage (abrasion).
Container with heat
insulation
1
2
A0032207
If process temperatures are high, the device should be included in the usual container insulation
system (2) to prevent the electronics from heating as a result of thermal radiation or convection. The
insulation should not be higher than the neck of the device (1).