VEGA VEGAPULS 68 (≥ 2.0.0 - ≤ 3.8) Foundation Fieldbus - Manual (Page 56)

Max. level change Adjustable up to 1 m/min. (dependent on the
parameter adjustment)
Max. emitted HF power of the antenna system
-
Pulse peak power < 10 mW
-
Pulse duration < 2 ns
-
Average power < 25 µW
-
Average power with 1 m distance < 1 µW/ cm
2
Measuring accuracy
Resolution, general max. 1 mm (0.039 in)
Deviation 6) see diagrams
30 mm (1.180 in)
15 mm (0.590 in)
0
-15 mm (- 0.590 in)
- 30 mm (- 1.180 in)
1,0 m (3.280 ft) 70 m (229.7 ft)
Fig. 36: Deviation VEGAPULS 68 with horn antenna
2,0 m (6.562 ft) 70 m (229,7 ft)
40 mm (1.574 in)
15 mm (0.590 in)
- 15 mm (- 0.590 in)
- 40 mm (- 1.574 in)
0
Fig. 37: Accuracy VEGAPULS 68 with parabolic antenna
6) Incl. non-linearity, hysteresis and non-repeatability.
56 VEGAPULS 68 • Foundation Fieldbus
10 Supplement
29264
-EN
-090305