VEGA VEGABAR 81 Pressure transmitter with chemical seal
$1,000.00
The VEGA VEGABAR 81 Pressure Transmitter with Chemical Seal provides precise pressure measurement in challenging media. Designed for liquids, slurries, and corrosive substances, it combines robust chemical seals with proven pressure measurement technology to ensure reliable and maintenance-free operation.
Its modular design allows integration with a variety of process connections and electrical interfaces. In addition, it offers high overpressure resistance and can operate in high-temperature or corrosive environments.
Typical applications include chemical processing, pharmaceuticals, food & beverage, and wastewater treatment.
Not Recommended For:
• Media containing large solids that may block the seal
• Extremely low-pressure applications below transmitter sensitivity
Selection Notes
• Identify the process medium, including corrosive liquids, slurries, or pure liquids
• Verify the temperature and pressure range to select the proper chemical seal
• Confirm the process connection type, such as flange, threaded, or hygienic
• Select the suitable transmitter output: 4–20 mA, HART, or digital protocol
• Ensure compatibility with optional remote seal capillaries for high-temperature or high-pressure processes
Why Choose the VEGABAR 81 with Chemical Seal
• Reliable Measurement in Corrosive Media
The chemical seal isolates the sensor from aggressive or crystallizing liquids. Therefore, measurement accuracy is maintained over time.
• High Overpressure and Temperature Resistance
The robust design tolerates pressure spikes and elevated temperatures, protecting both sensor and process.
• Flexible Process Integration
It supports various process connections and installation types. This ensures adaptability across multiple industries.
• Minimal Maintenance
The chemical seal prevents clogging and corrosion. As a result, routine maintenance and downtime are reduced.
• Proven Electronic Performance
The VEGABAR 81 provides stable and repeatable readings, even under challenging process conditions.
• Durable Industrial Construction
The transmitter housing is built for harsh environments. Consequently, it performs reliably in both chemical and food processing plants.
FAQ
Q: What is a chemical seal transmitter?
A: It is a pressure transmitter equipped with a chemical isolation diaphragm, which protects the sensor from aggressive or viscous media.
Q: What media can it measure?
A: It is suitable for liquids, slurries, and corrosive chemicals, including acids, bases, and crystallizing substances.
Q: Can it handle high temperatures?
A: Yes. When combined with remote capillaries, it can measure in high-temperature processes safely.
Q: Does it require special installation?
A: No. Standard process connections such as flanges or threaded fittings are supported. Remote seals may require mounting support.
| Measuring range - Distance | – [Meter – Foot] |
|---|---|
| Measuring range - Pressure | -1 … 1000 bar [Bar – kPa – psi] |
| Process temperature | -90 … 400 °C [°C – °F] |
| Process pressure | -1 … 1000 bar [Bar – kPa – psi] |
| Accuracy | 0.2 % |
| Materials, wetted parts | Alloy C22 (2.4602) |
| Threaded connection | ≥ G½, ≥ ½ NPT |
| Flange connection | ≥ DN25, ≥ 1" |
| Hygenic fittings | Clamp ≥ 1" – DIN32676, ISO2852 |
| Seal material | no media contact |
| 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 | Foodstuffs/Pharma |
| Ship approval | ABS |
| Overfill protection | WHG |
| SIL qualification | SIL2 |
| Adjustment | PLICSCOM |
| Indication | Display/adjustment module PLICSCOM |
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