VEGA VEGAPULS 68 (≥ 2.0.0 - ≥ 4.0.0) Foundation Fieldbus User Manual
Page 66
66
11 Supplement
VEGAPULS 68 • Foundation Fieldbus
36538-EN-121011
Tracking speed of the measuring window
max.
1 m/min
Beam angle
2)
Ʋ Horn antenna ø 40 mm (1.575 in)
20°
Ʋ Horn antenna ø 48 mm (1.89 in)
15°
Ʋ Horn antenna ø 75 mm (2.953 in)
10°
Ʋ Horn antenna ø 95 mm (3.74 in)
8°
Ʋ Parabolic antenna
3°
Emitted HF power (depending on the parameter adjustment)
3)
Ʋ Average spectral transmission power
density
-14 dBm/MHz EIRP
Ʋ Max. spectral transmission power
density
+43 dBm/50 MHz EIRP
Ʋ Max. power density in a distance of
1 m
< 1 µW/cm²
Ambient conditions
Ambient, storage and transport tempera-
ture
-40 … +80 °C (-40 … +176 °F)
Process conditions
For the process conditions, please also note the specifications on the type label. The lowest value
always applies.
Seal
Antenna impedance
cone
Process temperature (measured on the process
fitting)
FKM (SHS FPM 70C3
GLT)
PTFE
-40 … +130 °C (-40 … +266 °F)
PTFE
4)
-40 … +200 °C (-40 … +392 °F)
PEEK
5)
-40 … +200 °C (-40 … +392 °F)
FFKM (Kalrez 6375)
PTFE
-20 … +130 °C (-4 … +266 °F)
PEEK
-20 … +250 °C (-4 … +482 °F)
FFKM (Kalrez 2035)
PTFE
-15 … +130 °C (5 … +266 °F)
PEEK
-15 … +210 °C (5 … +410 °F)
FFKM (Kalrez 6230)
PTFE
-15 … +130 °C (5 … +266 °F)
PEEK
-15 … +250 °C (5 … +482 °F)
Graphite
Ceramic
-200 … +450 °C (-328 … +842 °F)
Graphite (process fitting
Hastelloy C 22)
Ceramic
-196 … +400 °C (-321 … +752 °F)
Vessel pressure - horn antenna
Ʋ Antenna impedance cone PTFE
-1 … 40 bar (-100 … 4000 kPa/-14.5 … 580 psig)
Ʋ Antenna impedance cone PP
-1 … 3 bar (-100 … 300 kPa/-14.5 … 43.5 psig)
2)
Outside the specified beam angle, the energy of the radar signal has a level which is reduced by 50 % (-3 dB)
3)
EIRP: Equivalent Isotropic Radiated Power
4)
Not with steam
5)
Not with steam