VEGA VEGAPULS 66 (≥ 2.0.0 - ≥ 4.0.0) standpipe ver. 4 … 20 mA_HART - four-wire - Manual (Page 45)

45
11 Supplement
VEGAPULS 66 standpipe version • 4 … 20 mA/HART - four-wire
36524-EN-121011
Gas phase Temperature Pressure
1 bar
(14.5 psig)
10 bar
(145 psig)
50 bar
(725 psig)
100 bar
(1450 psig)
200 bar
(2900 psig)
Air 20 °C/68 °F 0.00 % 0.22 % 1.2 % 2.4 % 4.9 %
200 °C/392 °F -0.01 % 0.13 % 0.74 % 1.5 % 3.0 %
400 °C/752 °F -0.02 % 0.08 % 0.52 % 1.1 % 2.1 %
Hydrogen 20 °C/68 °F -0.01 % 0.10 % 0.61 % 1.2 % 2.5 %
200 °C/392 °F -0.02 % 0.05 % 0.37 % 0.76 % 1.6 %
400 °C/752 °F -0.02 % 0.03 % 0.25 % 0.53 % 1.1 %
Steam (satu-
rated steam)
100 °C/212 °F 0.26 % - - - -
180 °C/356 °F 0.17 % 2.1 % - - -
264 °C/507 °F 0.12 % 1.44 % 9.2 % - -
366 °C/691 °F 0.07 % 1.01 % 5.7 % 13.2 % 76.0 %
Characteristics and performance data
Measuring frequency
C-band (6 GHz technology)
Measuring cycle time approx. 350 ms
Step response time 2) ≤ 3 s
Tracking speed of the measuring window
max.
1 m/min
Emitted HF power (depending on the parameter adjustment) 3)
Ʋ Average spectral transmission power
density
-31 dBm/MHz EIRP
Ʋ Max. spectral transmission power
density
+24 dBm/50 MHz EIRP
Ʋ Specific absorption rate (SAR) 0.47 mW/kg
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 lower value
always applies.
Seal Antenna impedance
cone
Process temperature (measured on the process
fitting)
FKM (A+P GLT FPM
70.16-06)
PFFE -40 … +150 °C (-40 … +302 °F)
FFKM (Kalrez 6375) PFFE -20 … +150 °C (-4 … +302 °F)
Silicone FEP coated (A+P
FEP-O-SEAL)
PFFE -40 … +150 °C (-40 … +302 °F)
EPDM (A+P 75.5/KW/75F) PFFE -40 … +150 °C (-40 … +302 °F)
2) Time span after a sudden measuring distance change by max. 0.5 m in liquid applications until the output signal
has taken for the first time 90 % of the final value (IEC 61298-2).
3) EIRP: Equivalent Isotropic Radiated Power