User's Manual
Table Of Contents
- Table of contents
- Important document information
- Terms and abbreviations
- Registered trademarks
- Product life cycle
- Measuring principle
- Input
- Output
- Electrical connection
- Performance characteristics
- Installation
- Environment
- Process
- Mechanical construction
- Operability
- Certificates and approvals
- Ordering information
- Accessories
- Supplementary documentation
Micropilot FMR20
Endress+Hauser V. 5, Rev. 3, 20-12-2016 23
Environment
Ambient temperature range
Measuring device: –40 to +80 °C (–40 to +176 °F)
It may not be possible to use the Bluetooth connection at ambient temperatures
> 60 °C (140 °F).
Outdoor operation in strong sunlight:
• Mount the device in the shade.
• Avoid direct sunlight, especially in warmer climatic regions.
• Use a weather protection cover → 38.
Storage temperature
–40 to +80 °C (–40 to +176 °F)
Climate class
DIN EN 60068-2-38 (test Z/AD)
Installation height as per
IEC 61010-1 Ed.3
Generally up to 2 000 m (6 600 ft) above sea level.
Degree of protection
Tested acc. to:
– IP66, NEMA 4X
– IP68, NEMA 6P (24 h at 1.83 m (6.00 ft) under water)
Vibration resistance
DIN EN 60068-2-64 / IEC 60068-2-64: 20 to 2 000 Hz, 1 (m/s
2
)
2
/Hz
Electromagnetic
compatibility (EMC)
Electromagnetic compatibility in accordance with all of the relevant requirements outlined in the
EN 61000 series and NAMUR Recommendation EMC (NE 21). For details, please refer to the
Declaration of Conformity
2)
2) Available for download at www.endress.com.