VEGA VEGAPULS 61 (≥ 2.0.0 - ≥ 4.0.0) 4 … 20 mA_HART - two-wire User Manual
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65
11 Supplement
VEGAPULS 61 • 4 … 20 mA/HART - two-wire
36499-EN-121011
Max. torque for NPT cable glands and Conduit tubes
Ʋ Plastic housing
10 Nm (7.376 lbf ft)
Ʋ Aluminium/Stainless steel housing
50 Nm (36.88 lbf ft)
Input variable
Measured variable
The measured quantity is the distance between process
fitting of the sensor and product surface. The reference
plane is the seal surface on the hexagon or the lower
side of the flange.
3
4 2
1
Fig. 55: Data of the input variable
1 Reference plane
2 Measured variable, max. measuring range
3 Antenna length
4 Useful measuring range
Standard electronics
Max. measuring range
35 m (114.8 ft)
Recommended measuring range
Ʋ Encapsulated antenna system
up to 10 m (32.81 ft)
Ʋ Plastic horn antenna
up to 20 m (65.62 ft)
Electronics with increased sensitivity
Max. measuring range
35 m (114.8 ft)
Recommended measuring range
Ʋ Encapsulated antenna system
up to 10 m (32.81 ft)
Ʋ Plastic horn antenna
up to 20 m (65.62 ft)
Output variable
Output signal
4 … 20 mA/HART
Fulfilled HART specification
7.0
Signal resolution
0.3 µA
Failure signal current output (adjustable) mA-value unchanged 20.5 mA, 22 mA, < 3.6 mA