Endress+Hauser Liquiphant FTL64 - Protection and Post-Connection Checks; Degree of Protection and Installation Requirements; Post-Connection Verification Checklist

Liquiphant FTL64
Endress+Hauser 25
T
a
T
a
T
a
T
a
T
a
T
a
-58 -50
-50
-58
0
32
32 0
122 50
158 70
[°F] [°C]
190
374
230
440
280
540
T
p
T
p
T
p
T
p
T
p
T
p
3
2
3
4
4
1
A
A
B
B
[°C]
[°F]
0
32
32 0
158 70
[°F] [°C]
230
440
280
540
[°C]
[°F]
300
572
300
572
-60
-76
-58 -50
-50
-58
-60
-76
A0037923
 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
a
Max. = 60 °C (140 °F);
Relais current = 4 A, T
a
Max. = 65 °C (149 °F)
With LED module: T
a
Max. –10 K
2 Exception for electronic insert FEL64:
Without LED module: Relais current = 6 A, T
a
Max. = 65 °C (149 °F);
Relais current = 4 A, T
a
Max. = 70 °C (158 °F)
With LED module: T
a
Max. –10 K
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
Storage temperature
–40 to +80 °C (–40 to +176 °F)
Optional: –50 °C (–58 °F), –60 °C (–76 °F)