VEGA VEGAPULS 68 (≥ 2.0.0 - ≤ 3.8) 4 … 20 mA_HART four-wire User Manual
Page 53
-
A
verage power
<
25 µW
-
A
verage power with 1 m distance
<
1 µW/
cm
2
Measuring accuracy
R
esolution, general
max. 1 mm (0.039 in)
D
eviation
5)
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. 29: 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. 30: Accuracy VEGAPULS 68 with parabolic antenna
Influence of the ambient temperature to the sensor electronics
6)
A
verage temperature coefficient of the zero
signal (temperature error)
0.03 %/10 K
5)
I
ncl. non-linearity, hysteresis and non-repeatability.
6)
R
elating to the nominal measuring range, in the temperature range
-40 … +80 °C .
VEGAPULS
68 • 4 … 20
mA/HART four-wire
53
10 S
upplement
29262
-EN
-090305