User Manual

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 (satura-
ted 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
Frequency K-band (26 GHz technology)
Beam angle
2)
- Horn antenna ø 40 mm (1.575 in) 22°
- Horn antenna ø 48 mm (1.89 in) 18°
- Horn antenna ø 75 mm (2.953 in) 10°
- Horn antenna ø 95 mm (3.74 in) 8°
- Parabolic antenna 4°
Step response time
3)
> 1 s (dependent on the parameter setting)
Max. level change 1 m/min.
Emitted HF power of the antenna system
- Pulse peak power < 10 mW
- Pulse duration < 1 ns
- Pulse duration electronics with increased
sensitivity
< 2 ns
- Average power < 25 µW
- Average power with 1 m distance < 1 µW/cm²
2)
Outside the specified beam angle, the energy of the radar signal has a level
of -3 dB (50 %).
3)
Time span after a sudden level change until the output signal has taken for
the first time 90 % of the final value (IEC 61298-2).
58 VEGAPULS 62 • 4 … 20 mA/HART two-wire
11 Supplement
36503-EN-100607