Vega VEGAPULS 62 Operating Instructions Manual page 73

Gas phase Temperature
Air 20 °C/68 °F
200 °C/392 °F -0.01 %
400 °C/752 °F -0.02 %
Hydrogen 20 °C/68 °F
200 °C/392 °F -0.02 %
400 °C/752 °F -0.02 %
Steam (satu- 100 °C/212 °F 0.26 %
rated steam)
180 °C/356 °F 0.17 %
264 °C/507 °F 0.12 %
366 °C/691 °F 0.07 %
Characteristics and performance data
Measuring frequency
Measuring cycle time
Ʋ Standard electronics approx.
Ʋ Electronics with increased sensitivity
approx.
Step response time
2)
Beam angle
3)
Ʋ Horn antenna ø 40 mm (1.575 in)
Ʋ Horn antenna ø 48 mm (1.89 in)
Ʋ Horn antenna ø 75 mm (2.953 in)
Ʋ Horn antenna ø 95 mm (3.74 in)
Ʋ Parabolic antenna
Emitted HF power (depending on the parameter adjustment)
Ʋ Average spectral transmission power
density
Ʋ Max. spectral transmission power
density
Ʋ Max. power density at a distance of
1 m
Ambient conditions
Ambient, storage and transport tempera-
ture
Time span after a sudden measuring distance change by max. 0.5 m in liquid applications, max 2 m with bulk
2)
solids applications, until the output signal has taken for the first time 90 % of the final value (IEC 61298-2).
Outside the specified beam angle, the energy level of the radar signal is 50% (-3 dB) less.
3)
EIRP: Equivalent Isotropic Radiated Power.
4)
VEGAPULS 62 • 4 ... 20 mA/HART - four-wire
1 bar 10 bar
(14.5 psig) (145 psig)
0.00 % 0.22 %
0.13 %
0.08 %
-0.01 % 0.10 %
0.05 %
0.03 %
-
2.1 %
1.44 %
1.01 %
K-band (26 GHz technology)
450 ms
700 ms
≤ 3 s
20°
15°
10°
8°
3°
-14 dBm/MHz EIRP
+43 dBm/50 MHz EIRP
< 1 µW/cm²
-40 ... +80 °C (-40 ... +176 °F)
Pressure
50 bar 100 bar
(725 psig) (1450 psig)
1.2 % 2.4 %
0.74 % 1.5 %
0.52 % 1.1 %
0.61 % 1.2 %
0.37 % 0.76 %
0.25 % 0.53 %
- -
- -
9.2 % -
5.7 % 13.2 %
4)
11 Supplement
200 bar
(2900 psig)
4.9 %
3.0 %
2.1 %
2.5 %
1.6 %
1.1 %
-
-
-
76 %
73