Michell Instruments
Sampling Systems for Accurate Dew-Point Measurement
Accurate dew-point measurement depends not only on the sensor but also on how the gas sample is delivered to the instrument. Sampling systems from Michell Instruments ensure that the gas sample reaching the analyzer is stable, representative, and free from contaminants that could affect the measurement.
By controlling pressure, temperature, and flow conditions, sampling systems help you obtain reliable moisture measurements even in demanding industrial environments such as natural gas pipelines or high-pressure process systems.
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Reliable gas sampling for precise moisture analysis
In many gas processes, the measurement point cannot be connected directly to a sensor. High pressure, contaminants, or unstable process conditions can lead to inaccurate readings or damage to the instrument.
Michell sampling systems are designed to condition the gas sample before it reaches the dew-point sensor or analyzer. These systems regulate pressure, filter particles and liquids, and maintain stable flow conditions so that the measurement represents the true moisture content of the gas.
Sampling systems can be supplied as complete panels or modular components, making it possible to adapt the system to specific process requirements.
Key features for reliable gas sampling
- Controlled pressure reduction for safe measurement of high-pressure gases
- Particle and liquid filtration to protect sensitive sensors
- Stable sample flow control for consistent measurements
- Integrated valves and fittings for safe operation and maintenance
- Modular system design adaptable to different process conditions
- Compatibility with dew-point transmitters and analyzers
- Robust construction suitable for industrial environments
Typical applications for sampling systems
Gas sampling systems are used whenever process conditions make direct sensor installation difficult or unreliable.
Common applications include:
- Natural gas processing and pipeline monitoring
- Petrochemical and refinery gas streams
- High-pressure industrial gas systems
- Hydrogen production and gas purification processes
- Laboratory and calibration measurements
- Process monitoring where stable sampling conditions are required
By ensuring that the gas sample is representative and stable, the sampling system plays a critical role in obtaining reliable moisture measurements.
Benefits for your operation
A properly designed sampling system improves both measurement reliability and instrument lifetime.
With the right gas conditioning solution, you benefit from:
- More accurate dew-point measurements
- Improved measurement stability in changing process conditions
- Protection of sensors and analyzers from contamination or pressure damage
- Reduced maintenance and downtime
- Reliable monitoring of moisture levels in demanding gas systems
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