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

Liquiphant FTL51B
Endress+Hauser
Ordering information:
• Product Configurator, order code for "Output", option "1"
Ambient temperature –60 °C (–76 °F) can be ordered as an option.
The low-temperature electronic inserts are marked LT.
• Product Configurator, order code for "Output", option "2"
Ambient temperature –52 °C (–62 °F) can be ordered as an option.
The low-temperature electronic inserts are marked LT
Bluetooth module: –20 to +60 °C (–4 to +140 °F).
LED module: –40 to +60 °C (–40 to +140 °F).
Outdoor operation in strong sunlight:
• Mount the device in the shade.
• Avoid direct sunlight, particularly in warm climatic regions.
• Use a weather protection cover →  50.
14.3.2

Storage temperature

–40 to +80 °C (–40 to +176 °F)
14.3.3

Humidity

Loss of protection rating if the device is opened in a wet environment.
14.3.4

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
14.3.5

Climate class

In preparation.
14.3.6

Degree of protection

Electrical connection
M20 threaded joint, plastic, IP66/68 NEMA Type 4X/6P
M20 threaded joint, nickel-plated brass, IP66/68 NEMA Type 4X/6P
M20 threaded joint, 316L, IP66/68 NEMA Type 4X/6P
M20 thread, IP66/68 NEMA Type 4X/6P
G1/2 thread, IP66/68 NEMA Type 4X/6P
NPT1/2 thread, IP66/68 NEMA Type 4X/6P
NPT3/4 thread, IP66/68 NEMA Type 4X/6P
M12 plug, IP66/68 NEMA Type 4X/6P
1) Product Configurator, order code for "Electrical connection"
The degree of protection of the overall device also depends on the degree of protection of
the housing used.
Technical data
1)
Option
A
B
C
F
G
H
I
M
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