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Ultrasonic was yesterday – the future is radar!

Compact level sensors with 80 GHz radar technology provide reliable measurement results under all conditions.


Radar sensors
Controllers
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Advantages of radar technology compared to ultrasonic sensors

Where ultrasonic level measurement reaches its limits

Compared to ultrasonic measuring instruments, radar sensors measure unaffected by temperature fluctuations, vacuum or high pressures and are insensitive to contamination. 80 GHz radar sensors also convince with very good signal focusing. This makes it easier to separate measurement and interference signals - the measurement is much easier and more accurate.


Radar sensors are unaffected by temperature, pressure or vacuum and provide correct readings under all environmental conditions.

Process and ambient influences

Radar sensors are unaffected by temperature, pressure or vacuum and provide correct readings under all environmental conditions.
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Due to their physical measuring principle, ultrasonic sensors are exposed to considerable influences because the sound running time changes with temperature, e.g. due to solar radiation and gas composition. Even in heavy fog, wind or rain, the sound waves are additionally attenuated and the measuring range further restricted.

Radar sensors allow a safe measurement up to the sensor antenna, even in case of flooding.

Dead zone and floodability

Radar sensors allow a safe measurement up to the sensor antenna, even in case of flooding.
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Due to the process, flooding of the sensors occurs in some applications. Ultrasonic sensors are therefore often protected by mechanical flooding sleeves. However, such components can easily become contaminated and impair the reliability of the measurement. Radar sensors have no dead zone, do not require protective sleeves and measure reliably even in case of flooding.

Radar sensors are insensitive to contamination and do not need to be cleaned.

Contamination and condensation

Radar sensors are insensitive to contamination and do not need to be cleaned.
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In many applications, sensors struggle with buildup. Especially with ultrasonic sensors, this influences the reliability of the measurement signal and increases the dead zone. Thanks to optimized signal processing, radar sensors can suppress interference caused by buildup on the antenna system.

Radar sensors can also be used in confined spaces and installations.

Reliability and accuracy

Radar sensors can also be used in confined spaces and installations.
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Due to the high focusing of the 80 GHz technology, the radar beam can be aligned almost precisely to the medium to be measured. This means that there are no interference signals even with installations such as pipes or pumps, in narrow shafts or with deposits on walls. Compared to ultrasonic sensors, no interference signal suppression is necessary.


NEW! Our digital newspaper

Get to know the new ePaper format. Learn everything about level and pressure measurement technology for drinking water supply systems and wastewater treatment and why radar is the better ultrasonic.
VEGA NEWS as digital newspaper: 

  • Integrated 3D animations and application solutions
  • Interactive elements and links to YouTube videos
  • All technical data and drawings of the new sensors

Read now



Why radar is the better ultrasonic

“VEGA talk” is a monthly series on the VEGA YouTube channel. The two faces of the channel are Tom Mulvey and Stefan Sum. “In real life”, both are VEGA employees, but they also post their discussions about current topics. This time, Tom invited Jürgen Skowaisa, the radar product manager, to present the new VEGAPULS radar sensor.


Do radar sensors also measure even at changing temperatures?

Do radar sensors also measure reliably when flooded?

Do radar sensors measure reliably even with contamination?


Level sensors VEGAPULS


With fixed cable connection Protection IP66/IP68, Type 6P

With fixed cable connection

Protection IP66/IP68, Type 6P
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With cable connection compartment Protection IP66/IP67, Type 4X

With cable connection compartment

Protection IP66/IP67, Type 4X
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With fixed cable connection Protection IP66/IP68, Type 6P

VEGAPULS C 11

Measuring range up to 8 m
Measuring accuracy ± 5 mm
4 … 20 mA
 
With fixed cable connection Protection IP66/IP68, Type 6P

VEGAPULS C 21

Measuring range up to 15 m
Measuring accuracy ± 2 mm
4 … 20 mA, HART, Modbus, SDI-12
Explosion protection

VEGAPULS C 22

Measuring range up to 15 m
Measuring accuracy ± 2 mm
4 … 20 mA, HART, Modbus, SDI-12
Explosion protection

VEGAPULS C 23

Measuring range up to 30 m
Measuring accuracy ± 2 mm
4 … 20 mA, HART, Modbus, SDI-12
Explosion protection

VEGAPULS 11

Measuring range up to 8 m
Measuring accuracy ± 5 mm
4 … 20 mA
 
 

VEGAPULS 21

Measuring range up to 15 m
Measuring accuracy ± 2 mm
4 … 20 mA, HART
Explosion protection
 

VEGAPULS 31

Measuring range up to 15 m
Measuring accuracy ± 2 mm
4 … 20 mA, HART
Explosion protection
With display

New heart for radar sensors

Today, radar sensors can be found in all areas of everyday life, from simple motion detectors for door openers to complex distance sensors in vehicles. However, the requirements for industrial level measurement differ considerably. The radar microchip newly developed by VEGA has been specially optimized for the requirements of level measurement. Thanks to the small design, very compact sensors are now possible These are significantly less expensive and can replace the previous ultrasonic sensors in almost all applications.
  • Optimized for the reflection properties of different media
  • Smallest design for the construction of compact sensor technology
  • 80 GHz technology for a very good Signal focusing
  • High accuracy in wide temperature ranges
  • Low energy consumption optimized for level measurement
  • Integrated function monitoring reduces maintenance costs
 

Controllers

The optional VEGAMET controllers complement VEGAPULS radar sensors and are ideal for the requirements of the water and wastewater industry. They allow a simple implementation of pump controls, flow measurements in open channels and overfill protection according to WHG.

VEGAMET 841, 842 for analogue sensors

VEGAMET 841, 842

for analogue sensors
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VEGAMET 861, 862 for analogue and digital sensors Data logger

VEGAMET 861, 862

for analogue and digital sensors
Data logger

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VEGAMET 841

Input: - 1x 4 … 20 mA
Output: - 1x 0/4 … 20 mA current output, - 3x operating relay

VEGAMET 841

Input: - 2x 4 … 20 mA sensor input
Output: - 2x 0/4 … 20 mA current output - 3x operating relay

VEGAMET 861

Input: - 1x 4 … 20 mA/HART sensor input - 2x digital input
Output: - 1x 0/4 … 20 mA current output - 4x operating relay 

VEGAMET 862

Input: - 2x 4 … 20 mA/HART sensor input - 4x digital input
Output: - 3x 0/4 … 20 mA current output - 6x operating relay


Interconnected solutions

During the development of the new compact device series, the focus was also on simple assembly and operation. In this way all parameters can be set quickly. Via the VEGA Tools app also wirelessly via smartphone or tablet. With myVEGA you also get all the information you need about your products.


Wireless adjustment: Simply via VEGA Tools app – on any available smartphone or tablet.

Wireless adjustment

With Bluetooth, VEGA is looking far into the future. But already today, radio technology is making processes more and more flexible. Wireless communication provides better accessibility: In clean rooms, in harsh industrial environments and in hazardous areas. It allows parameterisation, display and diagnostics from a distance of up to 25 metres, thus saving time and avoiding dangers. Simply via VEGA Tools app – on any available smartphone or tablet.
  

With myVEGA as your personal information platform you have access to numerous online functions relating to the VEGA products.

myVEGA

With myVEGA as your personal information platform you have access to numerous online functions relating to the VEGA products.

  • 2D/3D drawings of configured instruments
  • Access to product documentation and order data
  • Access codes for VEGA sensors

More information
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Brochure radar is the better ultrasonic

Compact level sensors with 80 GHz radar technology

Our service for you

Consultation

Every application is different and has its own special challenges. You’d like to talk with an expert and work out together with him which sensor best fulfils your requirements? Just give us a call. We’re happy to give advice and help you select the right instrument.

VEGA Grieshaber KG

Am Hohenstein 113

77761 Schiltach

Germany

Tel.: +49 7836 50-0

Fax: +49 7836 50-201