Oil vapor measurement Features and benefits Products Areas of application
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METPOINT OCV Compact

Oil vapour measurement

Certified measuring principle Automated self-monitoring for operational reliability Process stability through intelligent alarms

To the products
Pure quality starts with precise values

Reliable oil vapour measurement

Oil vapours are among the most critical contaminants in compressed air. They compromise compliance with purity classes, impair the performance of activated carbon filters and catalysts and cause deposits to form in machinery. Therefore, precise oil vapour measurement is essential to ensure long-term product quality, process reliability and equipment protection.

The METPOINT OCV compact enables you to reliably monitor your compressed air and meet the stringent requirements of Class 1 according to ISO 8573-1.

Danger of oil contamination in compressed air

Why accurate oil vapor measurement is crucial?

Ensuring air quality and product purity
  • Ensure product safety: Protect against contamination in sensitive industries
  • Reliably comply with standards: Achieve ISO 8573-1 purity classes for oil-free compressed air
  • Maintain quality in the long term: Minimize product defects and rejects to increase overall quality
  • Protect systems and processes: Prevent oil vapour deposits in pipes, machines and production environments
  • Easy integration into superordinate systems via RS485/Modbus
Sustainable reliability for equipment and processes
  • Longer service life and retention time of components: Oil vapours can damage filters, valves and sensors, so real-time measurements can help prevent premature wear
  • Cost reduction: Early detection of contamination can reduce maintenance and repair costs
  • Increase production reliability:  Early detection of contamination through continuous monitoring reduces the risk of machine failure and unplanned downtime
  • Ensure efficiency: Compressed air systems must be both reliable and stable. They are a popular choice for industries with high-quality requirements. Stable compressed air systems guarantee reliable processes and reduce energy and material consumption
Compliance and certification security
  • Ensure compliance: Meet legal requirements and industry-specific purity standards to avoid penalties and facilitate certification; Helps meet legal requirements and industry-specific air purity standards
  • Strengthen trust by providing documented evidence to increase transparency for customers and authorities
  • Maintain competitiveness with long-term security through tried-and-tested compressed air purity
  • Increase production reliability by detecting contamination early to reduce downtime
Your advantages at a glance

Features and benefits

  • Certified measuring principle: TÜV- and BfArM-certified for maximum safety and reliability
  • High measuring accuracy: Provides precise values even in the low range of 0.003 mg/m³
  • Fast response time: Immediate measurements for Class 1 compressed air
  • No pressure adjustments are necessary; The internal pressure regulator eliminates the need for device settings
  • Self-cleaning with zero air: Automatic sensor calibration and cleaning
  • Durable and robust: The stainless steel housing (IP54) is designed for industrial environments
  • Many years of experience: In the market for over 15 years and installed more than 2,000 devices worldwide
  • Easy to maintain: A new on-site maintenance concept is under development
Service-orientated company

Well advised in every respect

Problems with your compressed air system

We help with quality problems such as moisture, rejects or defects - for optimum results.


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Calibration service

The calibrations are carried out according to a specified calibration procedure of BEKO TECHNOLOGIES and are a so-called ISO calibration.


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METPOINT® products

Discover the oil vapour measurement products

METPOINT OCV compact

Constant oil vapor measurement with METPOINT OCV compact


METPOINT OCV compact

  • Continuous measurement of the oil vapor content in compressed air
  • Reproducible accuracy of the measured values due to reference gas generation
  • PID sensor for detecting the smallest concentrations of oil vapor
  • TÜV-certified measuring principle
  • Measuring range: ≤0.01...2.5 mg/m³
  • Operating overpressure: 3...16 bar
  • Ambient temperature: +5...+45 °C, rel. humidity ≤ 75% without condensation
  • Compressed air temperature: +5...+50 °C

Safe & high-performance

Areas of application

Pharmaceuticals

The pharmaceutical industry demands the highest standards of air purity. Even the slightest trace of oil vapour in compressed air can compromise the sterility of medicines, contaminate packaging materials, or interfere with sensitive production processes. Therefore, continuous monitoring of oil content is not just a quality measure, but an absolute regulatory requirement.

The METPOINT® OCV Compact provides reliable real-time measurement results and ensures compliance with ISO 8573-1 air purity classes, as well as the strict GMP (Good Manufacturing Practice) requirements. 

Implementing continuous oil vapour monitoring enables pharmaceutical companies to reduce the risk of costly product recalls, demonstrate compliance during audits and inspections, and maintain the trust of customers and regulatory authorities.

Food & Beverage Industry

Hygiene and product safety are non-negotiable in the food and beverage sector. Compressed air is often used directly in production processes such as mixing, aerating, filling, packaging and cleaning. However, if this air contains even minimal traces of oil vapour, it can compromise product quality, alter taste and smell, or lead to contamination resulting in costly product recalls.

Therefore, continuous monitoring of oil vapour is essential in order to comply with strict hygiene and safety regulations, such as HACCP (Hazard Analysis and Critical Control Points) and ISO standards. The METPOINT® OCV compact ensures that compressed air consistently meets the required purity class, providing real-time assurance of product safety.

By safeguarding product integrity, companies protect both consumers and their brand reputation, as well as their competitiveness in a highly regulated industry.

Electronics & Semiconductors

Even the slightest trace of contamination during the manufacture of electronics and semiconductors can damage microchips, wafers and other sensitive components. Oil vapours in compressed air can settle on surfaces, interfere with microstructures, or cause defects that can render entire production batches unusable.

As compressed air is used in many stages of semiconductor and electronics production, such as wafer cleaning, drying, transport, packaging and assembly, continuous monitoring of oil vapour is essential.

The METPOINT® OCV Compact provides real-time measurement of residual oil vapours, ensuring compliance with ISO 8573-1 standards and preventing undetected contamination. This enables manufacturers to:

  • protect sensitive microstructures from invisible residues;
  • reduce product failures and scrap rates caused by contamination;
  • maintain stable, cleanroom-compliant processes in highly sensitive production environments
Medical applications & Cleanrooms

Uncompromising air purity is vital in medical environments and cleanrooms. Compressed air is used in highly sensitive applications, including medical devices, surgical instruments, laboratory equipment and pharmaceutical research facilities. Even the slightest trace of oil vapour can endanger patient safety, compromise the sterility of instruments or falsify research results.

The METPOINT® OCV Compact is a continuous monitor of residual oil vapour in compressed air, helping to:

  • protect patient safety by ensuring sterile and uncontaminated environments
  • maintain the integrity of research and laboratory work, free from undetected impurities
  • safeguard critical medical equipment and instruments from oil vapour deposits that shorten their lifespan

Implementing continuous oil vapour measurement enables hospitals, laboratories, and cleanroom operators to reliably meet regulatory requirements, avoid contamination risks, and uphold the highest safety and quality standards.

Automotive industry & Paint Shops

Compressed air is widely used in plastics processing and packaging for applications such as moulding, conveying, cooling and packaging. However, any oil vapour contamination in the air can affect the quality of plastic products, impair sealing and bonding processes, and leave residues on packaging materials. Consequences range from reduced product performance to increased waste and rejected batches.

The METPOINT® OCV Compact provides continuous and precise monitoring of oil vapour levels in compressed air, offering the following measurable benefits:

  • product quality is improved by avoiding invisible contamination during production
  • reduced material waste and rejects cut costs and increase efficiency
  • it also enables stable, reliable processes in applications where compressed air directly contacts products or packaging

Investing in continuous oil vapour measurement enables plastics and packaging companies to secure consistent quality, meet customer and regulatory requirements, and strengthen their competitiveness in demanding markets.

Plastics & Packaging Industry

Contamination could affect product quality and lead to increased waste