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CMH-P2 | Portable Chilled Mirror Hygrometer
The accuracy of a laboratory standard hygrometer in a compact, transportable package. Equipped with a thermo-electric chiller for precise control of the chilled mirror temperature, this hygrometer is ideal for accurate measurement of trace moisture in gases.
The CMH-P2 Portable Chilled Mirror Hygrometer is a trusted choice for calibration engineers and manufacturing personnel, offering the Primary Standard Measurement Technique in a portable, self-contained unit. Perfect for troubleshooting, continuous monitoring, and convenient spot-check measurements, this hygrometer helps eliminate downtime, reduce maintenance costs and improve quality control.
Featuring a drift-free, highly durable chilled mirror sensor with minimal maintenance requirements, certified to National & International Humidity Standards, the CMH-P2 provides all the standard features of the CMH-RPC model in a portable form. With quick dry down, fast response and long battery life, accurate data can be collected for an entire shift or spot check measurements conducted over several days without needing to recharge the battery. The Automatic Balance Control function standardises and automatically corrects for contaminants, to ensure reliable measurements.
Whatever the challenge — Alpha Moisture Systems has you covered.
- Highly customised solutions
- Trusted by industry leaders
- Distributors worldwide
- Over 30 years experience
A portable, stable and highly accurate solution
Key features
- Stable and highly accurate, measuring within ± 0.2 °C (±0.36 °F) dewpoint, suitable for troubleshooting and convenient measurements
- Robust with no moving parts and a lockable, ultra-strong carry case with handle — reducing maintenance costs and extending the life of the unit
- Minimised downtime due to fast response to upset process conditions
- Multiple interface options available
- Dewpoint ranges between -70 °C to +75 °C (-94 °F to +167 °F)
- Universal power supply 90 – 240 VAC / 50/60 Hz
- Real-time display showing up to 3 parameters simultaneously on a backlit LED
- Chemically resistant Chilled Mirror sensor
- Supplied with a calibration certificate traceable to National and International Humidity Standards at the National Physical Laboratory
- Optional accessories available, including vacuum pump, pressure transducer, serial to Bluetooth data acquisition and remote sensor mounting kit
Technical Data
Information coming soon.
Downloads
What's in the box
CMH-P2 Chilled Mirror
CMH-P2 Manual
Calibration Certificate
Applications
Clinical DiagnosticsIn clinical diagnostics, chilled mirror hygrometers are used to maintain optimal humidity levels during the analysis of health and disease markers. This precise moisture control is vital for accurate testing of metabolic markers, liver function, heart disease indicators, and more, ensuring reliable diagnostics for various health conditions.
Environmental MonitoringEnvironmental testing, critical for detecting pollutants in air, water, and soil, relies on chilled mirror hygrometers for accurate humidity measurement. These devices help verify that products and equipment will perform under real-world environmental conditions, essential for assessing climate and mechanical factors like temperature, humidity, shock, and vibration.
Food TestingEnsuring food safety and quality begins with proper humidity control, made possible by chilled mirror hygrometers. These devices are crucial for accurately analysing food chemistry, microbiology, nutrition, and other key safety parameters in labs or the field, contributing to consumer safety and product reliability.
Forensic LaboratoriesForensic laboratories depend on chilled mirror hygrometers to maintain precise environmental conditions for evidence analysis. Accurate humidity measurement is essential for the examination of trace evidence, fingerprinting, DNA identification, and the assessment of body fluids, ensuring the integrity of forensic analyses.
Materials ResearchIn materials research, chilled mirror hygrometers play a key role in studying the properties of biomaterials, ceramics, polymers, and more. Accurate humidity measurement allows for a deeper understanding of the relationship between material structure and properties, facilitating the development of new materials with specific characteristics.
Pharmaceutical LaboratoriesPharmaceutical development benefits from the use of chilled mirror hygrometers, ensuring controlled humidity during critical stages of drug formulation and preclinical testing. These devices are essential for accurate pharmacology services, ADME-Tox testing, and biomarker analysis, contributing to the efficacy and safety of new drugs.
Aerospace and Aviation In aerospace and aviation, maintaining ideal humidity levels is critical for passenger comfort and equipment longevity. Chilled mirror hygrometers are used to measure humidity levels in aircraft cabins and environmental control systems accurately, ensuring safe and efficient flight operations.
Frequently Asked QuestionsIf you have a question that’s not answered below, please contact us
What is the main difference between the CMH-P2 and CMH-RPC?
The CMH-P2 Portable will allow dewpoint measurement of -75°C (-103 ºF) dewpoint, whereas the benchtop CMH-RPC with its inbuilt refrigeration cooler will allow dewpoint measurements beyond -95°C (-139 ºF) dewpoint.
What is the measurement range and accuracy of the CMH-P2 Portable Chilled Mirror Hygrometer?
Can I use the CMH-P2 in hazardous areas?
How long does it take to perform a moisture measurement using the CMH-P2 Portable Chilled Mirror Hygrometer?
Are there any specific calibration requirements or procedures I should be aware of?
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Whatever the challenge,
you can rely on Alpha
Moisture Systems
If you require a customised trace moisture measurement solution, book a consultation with our expert technical team and find out how you can increase the efficiency and productivity of your operations.
Dewpoint Calculator for Trace Moisture Measurement
in Gases & Compressed Air