Endress+Hauser Liquiphant FTL62 Density, Operating Instructions Manual, Page: 30 / 36

Technical data Liquiphant FTL62 Density
30 Hauser
15.3 Environment
15.3.1 Ambient temperature range
–40 to +70 °C (–40 to +158 °F)
In the hazardous area, the permitted ambient temperature can be limited depending on
the zones and gas groups. Pay attention to the information in the Ex documentation (XA).
The minimum permitted ambient temperature of the plastic housing is limited to
–20 °C (–4 °F); for North America, "indoor use" applies.
Outdoor operation in strong sunlight:
• Mount the device in the shade
• Avoid direct sunlight, particularly in warmer climatic regions
• Use a protective cover, which can be ordered as an accessory
15.3.2 Storage temperature
–40 to +80 °C (–40 to +176 °F)
15.3.3 Humidity
Operation up to 100 %. Do not open in a condensing atmosphere.
15.3.4 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
15.3.5 Climate class
As per IEC 60068-2-38 test Z/AD
15.3.6 Degree of protection
In accordance with DIN EN 60529, NEMA 250
IP66/IP68 NEMA 4X/6P
Types of housing:
• Single compartment; plastic
• Single compartment; aluminum, coated; Ex d/XP
• Single compartment; 316L, cast; Ex d/XP
• Dual compartment L-shaped, aluminum, coated; Ex d/XP
If the "M12 plug" option is selected as the electrical connection, IP66/67 NEMA TYPE
4X applies for all housing types.
15.3.7 Vibration resistance
As per IEC60068-2-64-2009
a(RMS) = 50 m/s², f = 5 to 2 000 Hz , t = 3 axes x 2 h
15.3.8 Shock resistance
In accordance with IEC60068-2-27-2008: 300 m/s² [= 30 g
n
] + 18 ms
g
n
: standard acceleration of gravity