Storage Temperature - Endress+Hauser Liquiphant FTL64 Technical Information

Liquiphant FTL64

Storage temperature

Endress+Hauser
T a
T p
T a
T p
 28 Derating curve (Ambient temperature)
A 230 °C (446 °F) Sensor
B 280 °C (536 °F) Sensor
1 Exception for electronic insert FEL64:
Without LED module: Relais current = 6 A, T
Relais current = 4 A, T Max. = 65 °C (149 °F)
a
With LED module: T Max. –10 K
a
2 Exception for electronic insert FEL64:
Without LED module: Relais current = 6 A, T
Relais current = 4 A, T Max. = 70 °C (158 °F)
a
With LED module: T Max. –10 K
a
3 Max. 50 h cumulative
4 For ATEX and CSA certificates only
Optionally available to order:
• –60 °C (–76 °F)
Product Configurator, order code for "Test, Certificate, Declaration" option "JT"
• –50 °C (–58 °F)
Product Configurator, order code for "Test, Certificate, Declaration" option "JL"
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.
Low-temperature electronic inserts are marked LT.
• Bluetooth module (non-Ex): –40 to +85 °C (–40 to +185 °F)
• Bluetooth module (Ex ia): –40 to +65 °C (–40 to +149 °F), T4
• 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 warmer climatic regions
• Use a protective cover, which can be ordered as an accessory
x
–40 to +80 °C (–40 to +176 °F)
Optional: –50 °C (–58 °F), –60 °C (–76 °F)
T a
T a
[°F] [°C]
158 70
4
32 0
-58 -50
-60
-50 0
-76
-58 32
T a
T a
[°F] [°C]
158 70
122 50
4
32 0
-58 -50
-60
-50 0
-76
-58 32
Max. = 60 °C (140 °F);
a
Max. = 65 °C (149 °F);
a
1
3
A B
[°C]
230 280 300
440 540 572
[°F]
2
3
A B
T p
[°C]
190 230 280 300
374 440 540 572
[°F]
T p
T p
T p
A0037923
25