VEGA VEGAPULS 67 (≥ 2.0.0 - ≥ 4.0.0) 4 … 20 mA_HART - four-wire - Manual (Page 63)

63
11 Supplement
VEGAPULS 67 • 4 … 20 mA/HART - four-wire
36532-EN-121011
Step response time 1) ≤ 3 s
Tracking speed of the measuring window
max.
1 m/min
Beam angle 2) 10°
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
Process temperature (measured on the
process fitting)
-40 … +80 °C (-40 … +176 °F)
Vessel pressure -1 … 2 bar (-100 … 200 kPa/-14.5 … 29.0 psig)
Vessel pressure - version with adapter
flange from DN 150 PP
-1 … 1 bar (-100 … 100 kPa/-14.5 … 14.5 psig)
Vibration resistance 4)
Ʋ Plastic horn antenna with compres-
sion or adapter flange
mechanical vibrations up to 2 g in the frequency range
5 … 200 Hz
Ʋ Plastic horn antenna with mounting
strap
mechanical vibrations up to 1 g in the frequency range
5 … 200 Hz
Electromechanical data - version IP 66/IP 67
Options of the cable entry
Ʋ Cable gland M20 x 1.5 (cable: ø 5 … 9 mm)
Ʋ Cable entry ½ NPT
Ʋ Blind stopper M20 x 1.5; ½ NPT
Ʋ Closing cap M20 x 1.5; ½ NPT
Plug options
Ʋ Supply and signal circuit (only with low
voltage)
M12 x 1
Ʋ Indication circuit M12 x 1
Wire cross-section (spring-loaded terminals)
Ʋ Massive wire, cord 0.2 … 2.5 mm² (AWG 24 … 14)
Ʋ Stranded wire with end sleeve 0.2 … 1.5 mm² (AWG 24 … 16)
1) Time span after a sudden measuring distance change by max. 0.5 m in liquid applications, max 2 m with bulk
solids applications, until the output signal has taken for the first time 90 % of the final value (IEC 61298-2).
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) Tested according to the guidelines of German Lloyd, GL directive 2.