Why is it important to monitor the quality of compressed air?
| 16 December, 2024MONITORING COMPRESSED AIR QUALITY
Compressed air plays a vital role in countless industrial and commercial processes. However, its effectiveness is directly dependent on the quality of the supplied air. A compressed air system is only as efficient as its air supply. Even the best-designed and technically advanced systems can lose a significant part of their efficiency and power when the air supply does not meet the appropriate quality standards.
Low-quality compressed air not only affects system performance but can also have serious consequences. For example, it can damage equipment, reduce the lifespan of key components, and in more critical cases, compromise the quality of the final products. This is especially concerning in industries with high quality and safety standards, such as pharmaceuticals, food production, or electronics, where contaminated air can endanger not only the products but also the safety of workers and compliance with strict regulations.
Ensuring a high-quality compressed air supply is not an easy task. In more complex systems that use ambient air, factors such as humidity, suspended particles, oil, and other contaminants can significantly affect air quality. Furthermore, the quality of the air may vary depending on the point in the system where it is analyzed, requiring a comprehensive approach.
To address these challenges, it is crucial to implement compressed air quality monitoring throughout the entire system, not just at specific points. This involves detecting possible sources of contamination and ensuring that filters, dryers, and other purification equipment are functioning optimally.
Fortunately, today’s technology offers advanced and cost-effective solutions for this purpose. From air quality sensors for compressed air that allow real-time monitoring to automated analysis systems, these tools help ensure a clean, efficient, and safe compressed air supply. Investing in industrial compressed air quality control not only improves system performance but also protects equipment, products, and workers, ensuring the long-term success of operations. Adhering to ISO 8573 compressed air monitoring standards is key to maintaining optimal air quality. Real-time compressed air quality systems provide continuous data to track air quality and detect any anomalies instantly, helping businesses maintain high standards of air quality.
How Airtec and SUTO Can Help You Monitor Compressed Air Quality?
One of Airtec’s most recommended products, SUTO offers integrated software and hardware solutions for compressed air, aimed at providing comprehensive visibility into the daily operations of your compressed air system.
Compressed air quality monitoring SUTO tools provide clear yet extensive metrics on the levels of contaminants in any specific area of your system.

By using these tools, you can maintain high-quality standards, increase the longevity of moving parts, ensure product quality, and enhance efficiency and cost savings. For more information about any of the products below, feel free to contact us today.



S120 Oil Vapor Sensor
- Measures oil vapor content in compressed air and other gases.
- Can be used permanently or portably.
- Measures up to 0.003 mg/m³.
- Easy connection via sampling hose and quick connection.
- Output signals: – 4 … 20 mA, RS-485, Modbus RTU.
- Relay switch (NO).
- PID sensor for maximum accuracy.
- Service and alarm indication by LED.
- Connectable to SUTO, displays and data loggers as well as third party displays and control units.
- Optional 5-inch integrated touchscreen and data logger.
- With air quality sensors for compressed air like the S120, you can ensure proper industrial compressed air quality control. These sensors contribute to maintaining clean and safe compressed air in compliance with ISO 8573 compressed air monitoring standards. Additionally, real-time compressed air quality systems enable proactive monitoring and early detection of any issues.

S130 Laser Particle Counter
- Easy connection to compressed air via 6 mm quick connector.
- Can be used as a portable or stationary instrument.
- Particle sizes from 0.1 to 5.0 μm (depending on the model).
- Optionally with display.
- Measures according to ISO 8573 compressed air monitoring standard.
- Output signals: RS-485, Modbus RTU, SDI ( SUTO internal signal), relay switch (NO).
- Connectable to SUTO, displays and data loggers as well as third party displays and control units.
- Optional 5-inch integrated touchscreen and data logger.

S600 Compressed Air Purity Analyzer
- Particle concentration measurement.
- Measurement methods according to ISO 8573 standards (with isokinetic sampling device).
- State-of-the-art laser detection technology.
- Smallest particle size at 50% by JIS, larger sizes at 100% by JIS.
- Dew point measurement.
- Multi-sensor technology allows for broad measurements.
- Long-term stability and established measurement methods.
- Highly accurate with margins of ±2°C.
- Oil vapor measurement.
- Advanced photoionization (PID) detector with self-calibration.
- Wide range of oil vapor concentrations.
- High accuracy with 5% of the reading ± 0.003 mg/m³.
- Pressure measurement.
- State-of-the-art sensor technology.
- High quality auxiliary compressed air system data.
- Plug-and-play measurements with a touch.
- Integrated data logger records all channels in parallel for analysis and PDF reports.
- 5-inch touchscreen interface and software guide to easily run pre-set measurement routines.

S601 Compressed Air Purity Analyzer
- Particle concentration measurement.
- Channel sizes: 0.3 … 0.5, 0.5 … 1.0, 1.0 … 5.0 μm (A) 0.1 … 0.5, 0.5 … 1.0, 1.0 … 5.0 μm (B).
- Laser particle counting technology.
- Counting efficiency: 50% for the smallest size and 95% for all other sizes.
- Oil vapor measurement.
- Latest PID sensor technology.
- Ranges from 0.003 … 10,000 mg/m3.
- High accuracy of 5%.
- Dew point measurement.
- Dual sensor technology (polymer and QCM).
- Wide measurement range of -100°C … +20°C.
- High accuracy of ±2°C.
- Pressure measurement.
- Measurement range from 0.3 … 1.5 MPa. • Accuracy of 1% FS.
- Accuracy of 1% FS.
- Compressed air connection via 6 mm quick connector.
- Ethernet interface (Modbus TCP), RS-485 (Modbus RTU), and USB.
- Low purge air loss.
- Power supply 100 … 240 VAC.
- 5-inch color touchscreen with data logger.

Innovative Solutions for Industry
Why choose Airtec?
At Airtec, we have specialist technicians with over 30 years of experience in compressed air systems. Our track record allows us to guarantee quality service and customized solutions for each client. We specialize in compressed air quality monitoringand industrial compressed air quality control, ensuring that your equipment operates at peak performance and in compliance with the highest standards.
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