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vr3a – capacitive sensor
Carlo Gavazzi VR3A is an IP67 capacitive level sensor with an 8 mm sensing distance, Ø30 mm PTFE housing, 1½-inch threaded mounting and 2 m cable for detecting compatible liquids, powders and granulated materials.
Why Choose the Carlo Gavazzi VR3A Capacitive Level Sensor?
The Carlo Gavazzi VR3A is a rugged capacitive level sensor designed for detecting the level of liquids, powders, granulated materials and other compatible media in industrial tanks, hoppers and silos. Its non-flush capacitive sensing principle allows material to be detected without relying on floats or other mechanically operated sensing components.
The VR3A features a chemically resistant PTFE (Teflon) housing with a cylindrical Ø30 mm construction and 1½-inch pipe thread for secure process mounting. It provides a sensing distance of up to 8 mm and is supplied with an integral 2 m cable.
Designed to operate with a separate Carlo Gavazzi amplifier relay, the VR3A is compatible with the SV150/250 and SV160/260 amplifier families. Its IP67 protection rating and -25 to +70 °C operating temperature make it suitable for demanding industrial level-detection applications.
Key Advantages
- Reliable capacitive level detection for compatible liquids and bulk materials.
- Durable PTFE (Teflon) construction for demanding process environments.
- Sensing distance of up to 8 mm.
- 1½-inch threaded mounting provides secure installation into tanks and vessels.
- Integral 2 m cable simplifies electrical installation.
- IP67 protection provides resistance to dust and water ingress.
Key Features
- Carlo Gavazzi VR series capacitive level sensor.
- Designed for level detection of liquids, powders and granulated materials.
- Non-flush capacitive sensing.
- Maximum sensing distance of 8 mm.
- Ø30 mm cylindrical sensor body.
- PTFE (Teflon) housing.
- 1½-inch pipe-thread mounting.
- Integral 2 m cable connection.
- IP67 degree of protection.
- Operating temperature range of -25 to +70 °C.
- Designed for operation with a separate amplifier relay.
- Compatible with Carlo Gavazzi SV150/250 and SV160/260 amplifier families.
Reliable & Durable Capacitive Level Detection
The Carlo Gavazzi VR3A detects changes in capacitance caused by material entering its sensing field. This allows it to detect compatible liquids and bulk materials without a mechanical float, making it useful for point-level monitoring in industrial tanks, hoppers and silos.
The combination of a PTFE housing, threaded process connection and IP67 protection makes the VR3A particularly suitable for demanding installations. Used with the appropriate Carlo Gavazzi amplifier relay, it provides a practical sensing solution for automated filling, emptying and level-alarm systems.
Typical Applications
- Industrial tank level monitoring.
- Silo and hopper level detection.
- Powder and granulated-material sensing.
- Liquid level monitoring.
- High- and low-level alarms.
- Filling and emptying control systems.
- Bulk-material handling equipment.
- Industrial process and automation systems.
Technical Specifications
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| Mounting Condition | Non-flush | |
|---|---|---|
| IP Rating | IP67 | |
| Sensing Principle | Capacitive | |
| Sensing Distance | 8 mm | |
| Connection | Cable | |
| Manufacturer | Carlo Gavazzi | |
| Series | VR | |
| Model | VR3A | |
| Product type | Capacitive level sensor | |
| Sensing principle | Capacitive | |
| Installation type | Non-flush | |
| Sensing distance | Up to 8 mm | |
| Sensor diameter | Ø30 mm | |
| Housing material | PTFE (Teflon) | |
| Housing style | Cylindrical threaded | |
| Process connection | 1½-inch pipe thread | |
| Electrical connection | 2 m cable | |
| Operating temperature | -25 to +70 °C | |
| Protection rating | IP67 | |
| Output interface | For separate amplifier relay | |
| Compatible amplifier families | SV150/250 and SV160/260 | |
| Suitable media | Compatible liquids, powders and granulated materials |
Frequently Asked Questions
What is the Carlo Gavazzi VR3A used for?
The VR3A is a capacitive level sensor designed for point-level detection of compatible liquids, powders and granulated materials in tanks, hoppers, silos and process equipment.
What is the sensing distance of the VR3A?
The Carlo Gavazzi VR3A provides a sensing distance of up to 8 mm.
What material is the VR3A housing made from?
The VR3A uses a PTFE (Teflon) housing, providing a robust solution for demanding process environments.
How is the Carlo Gavazzi VR3A connected and mounted?
The VR3A is supplied with an integral 2 m cable and uses a 1½-inch pipe thread for process mounting.
Does the VR3A require a separate amplifier?
Yes. The VR3A is designed for operation with a separate Carlo Gavazzi amplifier relay and is compatible with the SV150/250 and SV160/260 amplifier families.
Trusted for Industrial Level Detection
Carlo Gavazzi capacitive level sensors provide dependable detection of liquids and bulk materials in industrial processes, combining robust sensor construction with proven capacitive technology for tanks, hoppers, silos and automated material-handling systems.
