For Mission Critical Industries 

Our MBW CALIBRATION™ MODEL 373™ Dew Point Chilled Mirror Hygrometer Analyzer has been measuring humidity for almost 20 years. Incremental development based on operational experience and customer feedback means that the 373 continues to exceed the expectations of hundreds of users in some of the most challenging humidity applications and mission critical industries.  Despite its high performance and specification, the 373 is easy to use and simple to maintain. The touch panel user interface is simple and intuitive to use and enables even inexperienced users to perform measurements successfully. Even early instruments remain serviceable thanks to the use of industry standard components and careful control of software build records.

A unique feature of the MODEL 373 Dew Point Chilled Mirror Hygrometer Analyzer is its dual mirror PRT configuration.  In standards laboratories, this means that the user can use an external resistance bridge to measure the mirror temperature independent of its electronics so that measurement uncertainty can be reduced, and long-term stability maintained in the event of changes to any of its measurement electronics.  The latest developments include improved materials of construction to further reduce sorption effects, higher pressure capability based on new measuring head designs, data acquisition software with automated humidity generator control, and multichannel thermometer data integration.

FEATURES

• High accuracy:  Uses the chilled mirror technique to measure dew point temperature, which is considered to be the most accurate method for measuring humidity. The instrument provides high accuracy and repeatability, with a measurement uncertainty of ±0.1°C.
• Wide measurement range: Can measure dew point temperatures from -100°C to +20°C, making it suitable for a wide range of applications. It can also measure frost point temperatures down to -90°C.
• Fast response time: Provides fast response times, with a typical response time of 5 minutes for a 90% step change in humidity. This allows for real-time monitoring and control of humidity levels in various applications.
• User-friendly interface: Features a user-friendly interface with a large, easy-to-read display and intuitive menus. The instrument can be operated with just a few buttons, and it provides on-screen prompts to guide the user through the measurement process.
• Low maintenance: Designed for easy maintenance, with a simple mirror cleaning process that can be done quickly and easily. The instrument also features a self-diagnostic function that alerts the user to any issues that may require attention.
• Robust design: Built to withstand harsh environments and can be used in a wide range of applications. It features a rugged, portable design with a protective carrying case, making it easy to transport between locations.
• Traceability: Is traceable to national standards, providing assurance of the accuracy and reliability of the measurements. The instrument also features a built-in data logging function, allowing for easy record-keeping and documentation of the measurements.

Typical Applications

INDUSTRIES

• Semiconductor manufacturing
• Pharmaceutical manufacturing:
• Petrochemical industry
• Power generation
• Environmental monitoring
• Laboratories

Services

• Service and Repair
• Calibration
• On Site Service, Repair and Calibration
• DAkkS Calibration Laboratory
• Calibration of non-MBW products
• Training

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