Moisture contamination can lead to corrosion, equipment damage, product quality issues, and costly process downtime. COSA XENTAUR dew point meters, transmitters, and sensors provide accurate, reliable moisture measurement for compressed air, natural gas, hydrogen, industrial gases, petrochemical processes, semiconductor manufacturing, and pharmaceutical applications.
Using advanced Hyper-Thin-Film (HTF™) aluminum oxide sensor technology, COSA XENTAUR instruments deliver fast response times, exceptional stability, and long-term measurement accuracy across a wide range of industrial environments.
Whether you need a fixed dew point transmitter, portable dew point meter, or complete sampling system, Process Insights offers solutions designed for critical moisture monitoring applications. Contact us today.
Fastest Aluminum Oxide Sensors – our patented HTF™ (hyper-thin film) technology
What Is a Dew Point Meter?
A dew point meter measures the temperature at which water vapor condenses into liquid water within a gas stream. Dew point is the most accurate and widely accepted method for determining moisture content in compressed air, natural gas, hydrogen, and industrial process gases.
Accurate dew point measurement helps organizations:
- Prevent pipeline and equipment corrosion
- Protect compressors, turbines, and dryers
- Improve product quality
- Maintain process efficiency
- Meet industry compliance requirements
- Reduce maintenance costs
- Extend equipment life
Why Choose COSA XENTAUR Dew Point Analyzers?
HTF™ Aluminum Oxide Moisture Sensor Technology
COSA XENTAUR uses proprietary Hyper-Thin-Film aluminum oxide sensors engineered for fast response and stable long-term measurement.
Key benefits include:
- Fast adsorption and desorption response
- High sensitivity in dry gas applications
- Low long-term drift
- Strong repeatability
- Reduced calibration requirements
- Reliable operation in harsh industrial conditions
- Measurement capability extending into ultra-dry applications
COSA XENTAUR provides a broader moisture-analysis platform for industrial processes where very low moisture levels, challenging gases, elevated pressure, hazardous locations, or complex sample conditions require a more specialized solution.
Key advantages
- Dew point measurement into ultra-dry ranges
- Fixed, portable, OEM, and sampling-system options
- Solutions for hydrogen and natural gas
- Hazardous-area transmitter configurations
- Support for high-pressure and contaminated process streams
- 4–20 mA and digital process integration
- Application-specific sample conditioning
- Low-drift HTF™ aluminum oxide sensing technology
Key Benefits
- Dew point measurement down to ultra-dry conditions
- Measurement range from approximately -110°C to +20°C dew point
- High accuracy and repeatability
- Continuous online monitoring
- Portable and fixed installation options
- Hazardous area configurations available
- Easy integration with DCS, PLC, and SCADA systems
Product families
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Dew Point Transmitters
Continuous online moisture monitoring for industrial processes.
Ideal for:
- Compressed air systems
- Natural gas pipelines
- Hydrogen production
- Industrial gas manufacturing
- Petrochemical processing
Features include:
- 4-20 mA outputs
- Modbus and digital communications
- Local display options
- Compact installation
- Loop-powered operation
Popular Models
Dew Point Sensors & Sampling Systems
For challenging applications, COSA XENTAUR offers:
- Extractive Sampling Systems (ESS™)
- Sample conditioning systems
- Pressure regulation assemblies
- Contamination protection systems
- Sensor modules for OEM integration
These solutions improve measurement reliability in high-pressure and contaminated gas streams.
Portable Dew Point Meters
Portable instruments provide fast, accurate moisture measurements for:
- Field verification
- Dryer performance testing
- Commissioning activities
- Spot checks
- Maintenance troubleshooting
- Quality audits
Featured Product
Frequently Asked Questions
What is the difference between a dew point meter and a humidity sensor?
A dew point meter directly measures moisture content in gases and is typically more accurate for industrial process control. Relative humidity sensors measure saturation percentage and are often used for ambient air monitoring.
What is a good dew point for compressed air?
Typical compressed air systems operate between -20°C and -40°C dew point, while critical applications may require -70°C dew point or lower.
Can dew point meters be used for hydrogen applications?
Yes. COSA XENTAUR dew point analyzers are widely used for hydrogen production, storage, and fuel cell applications.
How often should a dew point sensor be calibrated?
Calibration frequency depends on the application, but HTF™ sensors are designed for low drift and long-term stability, reducing maintenance requirements.
Dew Point Solutions with Aluminum Oxide Sensors
LPDT™ SERIES
XPDM™
XDT™ SERIES
XDT™ SERIES EX
HDT-LQ™ SERIES
HDT™ SERIES
ESS™
ESS-SCVP™
