Endress+Hauser Nivocompact FTC 131, Техническая информация

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Adjustment and
Calibration Features
For calibrating, the Nivocompact should
be adjusted to the capacitance value of
the capacitor formed by the probe and
wall of the silo.
You can also select the fail-safe mode
required for your particular application.
Operating Data
Probes
Process connections
Parallel thread:
G 1
1 /
2
A acc. to DIN ISO 228/I
Tapered thread:
NPT 1
1 /
2
" acc. to ANSI B1.20.1
Material:
steel or
stainless steel 1.4571
Calibration with an empty silo requires
less handling of the electronic insert.
Probe length tolerances:
Probe length
Tolerance
to 1 m +0 mm, –5 mm
to 3 m +0 mm, –10 mm
to 6 m +0 mm, –20 mm
to 22 m +0 mm, –30 mm
Rotary switch for fail-safe mode
Rotary switch for probe length
Adjusting elements for
capacitance, fine and coarse
LED to indicate switching mode
Operating elements on
the electronic insert
Technical Data
Nivocompact FTC 131 FTC 231 FTC 331
Operating temperature in silo –20 °C
…
+80 °C –20 °C
…
+80 °C –20 °C
…
+60 °C
Operating pressure p
e
,
according to operating temperature
max. 10 bar atmospheric atmospheric
Max. permissible load on probe 30 Nm lateral 30 kN vertical 80 kN vertical
Minimum dielectric constant
ε
r
of material
2.5
Operating temperature for housing –20 °C
…
+60 °C
Storage temperature –40 °C
…
+85 °C
Nivocompact FTC 131 FTC 231 FTC 331
Material Steel rod Steel rope Steel rope
Probe diameter 25 mm 10 mm 16 mm
Insulation PE PA PVC
Thickness of insulation 3.5 mm 1 mm 2 mm
Electrical connection to
bulk solid Fully insulated Steel rope connected to cast iron weight
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