Storage Temperature; Humidity; Operating Height; Climate Class - Endress+Hauser Liquiphant FTL51B Operating Instructions Manual

Liquiphant FTL51B HART
Endress+Hauser
15.3.2

Storage temperature

–40 to +80 °C (–40 to +176 °F)
Optional –50 °C (–58 °F) or –60 °C (–76 °F)
With M12 plug, elbowed: –25 to +80 °C (–13 to +176 °F)
15.3.3

Humidity

Operation up to 100 %. Do not open in a condensing atmosphere.
15.3.4

Operating height

Up to 5 000 m (16 404 ft) above sea level.
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 (1.83 m H
Types of housing:
• Single compartment; aluminum, coated; Ex d/XP
• Dual-compartment, L-shape; aluminum, 316L; Ex d/XP
Degree of protection for M12 plug
• When housing is closed and connecting cable is plugged in: IP66/67 NEMA Type 4X
• When housing is open or connecting cable is not plugged in: IP20, NEMA Type 1
NOTICE
M12 plug: Loss of IP protection class due to incorrect installation!
‣
The degree of protection only applies if the connecting cable used is plugged in and
screwed tight.
‣
The degree of protection only applies if the connecting cable used is specified according
to IP67 NEMA Type 4X.
Ordering information: Select the required option in the order code for "Electrical
connection". Exclusion criteria are taken into account automatically.
15.3.7

Vibration resistance

As per IEC60068-2-64-2008
2
a(RMS) = 50 m/s , f = 5 to 2 000 Hz , t = 3 axes x 2 h
For increased oscillations or vibrations, the additional option of the order code for
"Application" option "B" 100 bar (1 450 psi) pressure is recommended.
15.3.8

Shock resistance

In accordance with IEC60068-2-27-2008: 300 m/s² [= 30 g
g : standard acceleration of gravity
n
15.3.9

Mechanical load

Support the device in the event of severe dynamic load. Maximum lateral loading capacity
of the pipe extensions and sensors: 75 Nm (55 lbf ft).
For more details, see the "Supporting the device" section.
A
O for 24 h)
2
n
Technical data
] + 18 ms
57