Measuring Range; Output; Output And Input Variants; Ex Connection Data - Endress+Hauser Liquiphant FTL51B Density Operating Instructions Manual

Technical data
32
15.1.2

Measuring range

Density range: 0.3 to 2 g/cm³
15.2

Output

15.2.1

Output and input variants

2-wire density (FEL60D) for density measurement
Connection to Density Computer FML621
15.2.2

Ex connection data

See safety instructions (XA): All data relating to explosion protection are provided in
separate Ex documentation and are available from the Downloads area of the
Endress+Hauser website. The Ex documentation is supplied as standard with all devices
approved for use in explosion hazardous areas.
15.3

Environment

15.3.1

Ambient temperature range

–40 to 70 °C (–40 to 158 °F)
The minimum permitted ambient temperature of the plastic housing is limited to
–20 °C (–4 °F); ' i ndoor use' applies for North America.
Outdoor operation in strong sunlight:
• Mount the device in a shaded location
• Avoid direct sunlight, particularly in warmer climatic regions
• Use a weather protection cover, can be ordered as an accessory
Further information on using the device in hazardous areas (ATEX) and on
documentation that is currently available can be found on the Endress+Hauser
website: www.endress.com
15.3.2

Storage temperature

–40 to +80 °C (–40 to +176 °F)
15.3.3

Operating altitude

As per IEC 61010-1 Ed.3:
• Up to 2 000 m (6 600 ft) above sea level
• Can be extended to 3 000 m (9 800 ft) above sea level if overvoltage protection is used
15.3.4

Climate class

As per IEC 60068-2-38 test Z/AD
15.3.5

Degree of protection

Testing according to IEC 60529 and NEMA 250
IP68 test condition: 1.83 m H
Housing
See cable entries
→ Downloads.
O for 24 h
2
Liquiphant FTL51B Density
Endress+Hauser