VEGA VEGAFLEX 81 TDR sensor for continuous level and interface measurement of liquids
$1,780.00
The VEGAFLEX 81 TDR Sensor provides reliable continuous level and interface measurement for liquids. It uses Time Domain Reflectometry (TDR) to deliver stable and accurate results across a wide range of applications.
This sensor is ideal for standard liquid measurement tasks, including water, chemicals, and light oils. In addition, it performs well under moderate process conditions. Thanks to its flexible probe design, installation is simple and adaptable to different tank geometries.
Not Recommended For:
• Extremely viscous media or heavy buildup
• Very low dielectric constant liquids
VEGAFLEX 81 TDR sensor for continuous level and interface measurement of liquids
Selection Notes
• Measurement Type: The VEGAFLEX 81 is suitable for continuous level and basic interface measurement in liquids. It works best in standard applications.
• Process Conditions: It is designed for moderate temperature and pressure environments. For extreme conditions, consider higher-end models.
• Probe Selection: Choose the appropriate probe type (rod or cable) and length based on tank height and installation requirements.
• Medium Properties: Ensure the liquid has a sufficient dielectric constant for accurate signal reflection.
• Installation Position: Avoid internal obstacles and ensure proper mounting to reduce false signals.
Why Choose the VEGAFLEX 81
• Reliable TDR Measurement
The VEGAFLEX 81 uses TDR technology to provide accurate and continuous level measurement. It calculates signal reflection time to ensure stable results.
• Ideal for Standard Applications
This model is optimized for general liquid measurement, such as water tanks, chemical storage, and light oil applications.
• Simple and Flexible Installation
With rod and cable probe options, the sensor adapts easily to different tank sizes and configurations. Therefore, installation becomes faster and more efficient.
• Low Maintenance Design
The sensor has no moving parts, which reduces wear and minimizes maintenance requirements over time.
• Stable Performance
It delivers consistent performance under typical industrial conditions, ensuring reliable process monitoring.
FAQ
Q: What applications is the VEGAFLEX 81 best suited for?
A: It is ideal for standard liquid level measurement, including water, chemicals, and light oils in storage tanks and process vessels.
Q: Can the VEGAFLEX 81 measure interface levels?
A: Yes, it supports basic interface measurement, although it is not as specialized as higher-end models for complex multi-phase systems.
Q: How does TDR technology work?
A: The sensor sends electromagnetic pulses along the probe. When the signal encounters a change in medium, it reflects back. The device calculates the level based on travel time.
Q: Is it suitable for high-temperature applications?
A: It works in moderate conditions. For extreme temperatures or pressures, consider models like VEGAFLEX 86.
| Measuring range - Distance | 75 m [Meter – Foot] |
|---|---|
| Process temperature | -60 … 200 °C [°C – °F] |
| Process pressure | -1 … 40 bar [Bar – kPa – psi] |
| Accuracy | ± 2 mm |
| Version | Basic version for exchangeable cable ø 2; ø 4 mm |
| Materials, wetted parts | PFA |
| Threaded connection | ≥ G¾, ≥ ¾ NPT |
| Flange connection | ≥ DN25, ≥ 1" |
| Seal material | EPDM |
| Housing material | Plastic |
| Protection rating | IP66/IP68 (0,2 bar) |
| Output | Profibus PA |
| Ambient temperature | -40 … 80 °C |
| Scope | ATEX / Europe |
| Explosion protection | Intrinsic safety "i" |
| Foodstuffs/Pharma | FDA |
| Ship approval | ABS |
| Overfill protection | WHG |
| SIL qualification | SIL2 |
| Adjustment | PLICSCOM |
| Indication | Display/adjustment module PLICSCOM |
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