VEGA VEGAPULS 61 (≥ 2.0.0 - ≥ 4.0.0) 4 … 20 mA_HART four-wire Approval according to LPR radio standard - Manual (Page 67)

Max. output current 22 mA
Starting current ≤ 3.6 mA
Load (4 … 20 mA/HART - active) < 500 Ω
Damping (63 % of the input variable) 0 … 999 s, adjustable
HART output values
-
PV (Primary Value) Distance to the level
-
SV (Secondary Value) Level as percentage value
-
TV (Third Value) Linearised percentage value
-
QV (Fourth Value) Scaled measured value
Resolution, digital < 1 mm (0.039 in)
Accuracy (according to DIN EN 60770-1)
Process reference conditions according to DIN EN 61298-1
-
Temperature + 18 … +30 °C (+64 … +86 °F)
-
Relative humidity 45 … 75 %
-
Air pressure 860 … 1060 mbar/86 … 106 kPa (12.5 … 15.4 psig)
Installation reference conditions
-
Min. distance to installations > 200 mm (7.874 in)
-
Reflector Corner reflector
-
False reflections Largest false echo 20 dB smaller than the useful
echo
Deviation with liquids See following diagrams
0,5 m (1.6 ft)
10 mm (0.394 in)
- 10 mm (- 0.394 in)
2 mm (0.079 in)
- 2 mm (- 0.079 in)
0
1 2 3
Fig. 46: Deviation under reference conditions - encapsulated antenna system
1 Reference plane
2 Antenna edge
3 Recommended measuring range
VEGAPULS 61 • Approval according to LPR radio standard 67
11 Supplement
41714
-EN
-120301