Supplier Vegapuls C 21, Indonesia
DISTRIBUTORALATINDUSTRI.COM | Supplier Vegapuls C 21, Indonesia | The VEGA VEGAPULS C 21 is a compact 80 GHz radar level sensor designed for continuous, non-contact level measurement of liquids and bulk solids. It uses advanced radar technology to provide reliable and accurate level measurement without any moving parts or direct contact with the measured medium.
Supplier Vegapuls C 21, Indonesia

The sensor is particularly suitable for water and wastewater applications, including water treatment plants, wastewater treatment facilities, pumping stations, rainwater overflow basins, storage tanks, and open-channel level measurement.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | VEGA |
| Model | VEGAPULS C 21 |
| Measurement Principle | Non-contact radar level measurement |
| Radar Frequency | 80 GHz W-band |
| Measuring Range | Up to 20 m, depending on configuration |
| Accuracy | Up to ±2 mm |
| Beam Angle | Approx. 8° |
| Process Temperature | -40 to +80 °C |
| Process Pressure | Approx. -1 to +3 bar, depending on configuration |
| Wetted Material | PVDF |
| Seal Material | FKM |
| Housing Material | PVDF |
| Protection Rating | IP66/IP68 |
| Process Connection | G1½, 1½ NPT, R1½, depending on version |
| Communication | 4–20 mA/HART, Modbus, or SDI-12, depending on configuration |
| Wireless Communication | Bluetooth 5.0 |
| Application | Liquid and bulk-solid level measurement |
| Typical Industries | Water & wastewater, environmental monitoring, utilities, industrial applications |
Operating Principle
The VEGAPULS C 21 transmits high-frequency radar signals toward the surface of the measured medium. The radar signal is reflected from the surface and received by the sensor. The electronics then calculate the distance between the sensor and the material surface and convert this measurement into the corresponding level value.
Because the measurement is non-contact, the sensor does not require a probe or mechanical sensing element to be immersed in the process. This minimizes mechanical wear, contamination, and maintenance requirements.
Main Advantages
- 80 GHz radar technology for reliable and precise level measurement.
- Non-contact measurement, eliminating mechanical moving parts.
- Accuracy up to ±2 mm for precise level monitoring.
- Narrow 8° beam angle helps minimize interference from surrounding structures.
- PVDF construction suitable for demanding water and wastewater environments.
- IP66/IP68 protection for outdoor and wet installations.
- Bluetooth 5.0 enables convenient wireless configuration and commissioning.
- Multiple communication options including 4–20 mA/HART, Modbus, and SDI-12, depending on the selected version.
- Suitable for continuous level measurement.
- Low maintenance due to the non-contact measuring principle.
- Suitable for water, wastewater, storage tanks, pumping stations, and open-channel applications.
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