 VEGAPULS 68: The specialist for extreme application conditions
Heat, dust, height: elegantly overcome
VEGAPULS 68’s application range also covers the most extreme level measuring conditions in bulk solids. The instrument delivers reliable level data even under high temperatures, such as in steel production.Dusty conditions in power plant coal processing facilities or in building material storehouses do not bother VEGAPULS 68 in the least. The wide dynamic range of the sensor also opens up new possibilities for applications with powders and granulates in the food and chemical industries.
Very high sensitivity through improved technology
Thanks to optimised VEGA radar technology, the sensor of VEGAPULS can process signals up to a thousand times smaller than those normally handled by conventional radar instruments. This high sensitivity enables measuring ranges up to 70 m, even for products with poor reflection characteristics.
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VEGAPULS 68
with parabolic antenna |
VEGAPULS 68
with horn antenna |
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| Measuring range |
up to 70 m |
up to 70 m |
| Temperature |
-40 … +200 °C |
-40 … +200 °C |
| Pressure |
3 bar |
40 bar |
| Antennas |
Parabolic antenna |
Horn antenna |
| Swivelling mechanism |
Via mounting flange |
Via mounting flange |
| Voltage supply |
4 … 20 mA/HART,
Profibus PA,
Foundation Fieldbus |
4 … 20 mA/HART,
Profibus PA,
Foundation Fieldbus |
| Antenna diameter |
245 mm |
40 mm, 48 mm, 75 mm, 95 mm |
| Beam angle |
4° |
22°, 18°, 10°, 8° |
| Process fitting |
Thread from 1½" |
Thread from 1½" |
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Flange from DN 50 / ANSI 2" |
Flange from DN 50 / ANSI 2" |
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| Technology |
(1) Separable antenna system
(2) Parabolic reflector
(3) Feed system
At the focal point of the parabolic reflector is the well-protected feed system. The radiated microwave signal is focussed by the antenna surface.
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(1) Robust antenna transition
(2) Horn antenna
(3) Inflected antenna lip
Via a PTFE cone at the antenna junction the microwaves are radiated towards the horn antenna and then focussed in the direction of the product surface.
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| Advantages |
 Mounting on small fittings possible through separable antenna system
Insensitive to contamination and damage due to recessed feed system
Optimum focussing |
Optimum focussing with small antenna diameters
Easy mounting also in small vessel sockets
High sensitivity especially at close range |
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