VEGA VEGAPULS 61 (≥ 2.0.0 - ≥ 4.0.0) 4 … 20 mA_HART - four-wire - Manual (Page 64)

64
11 Supplement
VEGAPULS 61 • 4 … 20 mA/HART - four-wire
36500-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. 50: 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 signals
4 … 20 mA/HART - active; 4 … 20 mA/HART - passive
Terminal voltage passive 9 … 30 V DC
Shortcircuit protection Available
Potential separation Available