User's Manual
Table Of Contents
- Table of contents
- Important document information
- Function and system design
- Input
- Output
- Power supply
- Performance characteristics
- Installation
- Environment
- Process
- Mechanical construction
- Operability
- Certificates and approvals
- CE mark
- C-Tick symbol
- Ex approval
- Dual seal according to ANSI/ISA 12.27.01
- Functional Safety
- Sanitary compatibility
- AD2000
- Pressure Equipment Directive
- Marine certificate (in preparation)
- Radio standard EN302729-1/2
- Radio standard EN302372-1/2
- FCC / Industry Canada
- CRN approval
- Track record
- Other standards and guidelines
- Ordering information
- Accessories
- Documentation
- Registered trademarks
- Patents
DRAFT
Micropilot FMR51, FMR52
42 V. 1, Rev. 8, 4-10-2012 Endress+Hauser
Threaded connection
• Tighten with the hexagonal nut only.
• Tool : Hexagonal wrench 55 mm
• Maximum permissible torque: 60 Nm (44 lbf ft)
Mesurement from the outside through plastic walls
• If possible, use an antenna 100 mm (4").
• The distance from the lower edge of the antenna to the tank ceiling should be about 100 mm (4 in).
• If possible, avoid mounting locations where condensation or build-up might occur.
• In case of outdoor mounting, the space between antenna and vessel has to be protected from the
elements.
• Do not mount any potential reflectors (e.g. pipes) outside the tank in the signal beam.
Suitable thickness of the tank ceiling:
Penetrated material PE PTFE PP Perspex
DK / e
r
2.3 2.1 2.3 3.1
Optimum thickness
1)
3.8 mm (0.15 in) 4.0 mm (0.16 in) 3.8 mm (0.15 in) 3.3 mm (0.13 in)
1) Other possible values for the thickness are multiples of the values listed (e.g. for PE: 7,6 mm (0.3 in), 11,4 mm
(0.45 in)