VEGA VEGAPULS 63 (≥ 2.0.0 - ≤ 3.8) 4 … 20 mA_HART - four-wire User Manual
Page 47
R
esolution, digital
>
1
mm (0.039 in)
Input variable
M
easured variable
distance between process fitting and product sur-
face
min. distance from flange
50
mm (1.97 in)
M
easuring range depending on process fitting
-
T
ri-Clamp 2", 3"
up to 10 m (32.81 ft)
-
bolting DN 50, DN 80
up to 10 m (32.81 ft)
-
fl
ange DN 50, ANSI 2"
up to 10 m (32.81 ft)
-
F
lange DN 80 … DN 150, Clamp 4",
ANSI
3" … 6"
up to 20 m (65.62 ft)
Reference conditions to measuring accuracy (according to DIN EN 60770-1)
R
eference conditions according to DIN EN 61298-1
-
T
emperature
+
18 … +30 °C (+64 … +86 °F)
-
R
elative humidity
45 … 75 %
-
A
ir pressure
860 … 1060
mbar/86 … 106 kPa (12.5 … 15.4 psig)
O
ther reference conditions
-
R
eflector
ideal reflector, e.g. metal plate 2 x 2 m
-
F
alse reflections
L
argest false echo 20 dB smaller than the useful
echo
Characteristics and performance data
F
requency
K-
band (26 GHz technology)
M
eas. interval approx.
1
s
B
eam angle -3 dB
5)
-
T
ri-Clamp 2"
18°
-
C
lamp 3", 4"
10°
-
B
olting DN 50
18°
-
B
olting DN 80
10°
-
fl
ange DN 50, ANSI 2"
18°
-
F
lange DN 80 … DN 150, ANSI 3" … 6"
10°
S
tep response or adjustment time
6)
<
1
s (dependent on the parameter settings)
M
ax. level change
A
djustable up to 1 m/min. (dependent on the
parameter settings)
M
ax. emitted HF power of the antenna system
-
P
ulse peak power
<
2
mW
5)
C
orresponds to the range with 50 % of the emitted power
6)
T
ime to output the correct level (with max. 10 % deviation) after a sudden
level change.
VEGAPULS
63 • 4 … 20
mA/HART - four-wire
47
10 A
nnex
28441
-EN
-120530