User's Manual

80
11 Supplement
VEGAPULS 62 • 4 … 20 mA/HART - two-wire
36503-EN-161221
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 %
Characteristics and performance data
Measuring frequency K-band(26GHztechnology)
Measuring cycle time
Ʋ Standard electronics approx. 450 ms
Ʋ Electronics with increased sensitivity
approx.
700 ms
Step response time
3)
≤3s
Beam angle
4)
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)
5)
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 at a distance of
1 m
< 1 µW/cm²
Ambient conditions
Ambient, storage and transport tempera-
ture
-40 … +80 °C (-40 … +176 °F)
3)
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rsttime90%ofthenalvalue(IEC61298-2).
4)
 Outsidethespeciedbeamangle,theenergyleveloftheradarsignalis50%(-3dB)less.
5)
EIRP: Equivalent Isotropic Radiated Power.