MBW Calibration

MBW Calibration

MBW Calibration is recognized internationally as a developer and supplier of high-quality chilled mirror dew point hygrometers used in a variety of humidity calibration, measurement and gas quality applications.

Most notably, our instruments provide the calibration traceability for many laboratories such as humidity instrument manufacturers and National Metrology Institutes. MBW dew point mirrors continue to be chosen as transfer standards for inter-laboratory comparisons both regionally and internationally. With recent requirements for higher performance humidity measurement in the meteorological industry, MBW are increasingly the preferred supplier for low uncertainty measurement and calibration systems to National Meteorological and Hydrological Service organizations.

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MBW is the leading provider of SF6 gas quality analyzers based uniquely on chilled mirror technology that provides years of high precision and high stability measurements without frequent sensor replacement. Most of the world’s leading high voltage switchgear manufacturers use our technology for factory test, commissioning and service applications.

For industrial applications such as heat treatment, fuel cells, climatic chamber validation, compressed air, breathing gas and battery manufacturing, our high performance and stability mean we are able to reach the highest possible measurement capability.

Country: Switzerland

Featured products

373 Dew Point Mirror

373 Dew Point Mirror
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The 373 has been a reference in humidity measurement for almost 20 years. Incremental development based on operational experience and customer feedback means that the 373 continues to meet and exceed the expectations of hundreds of users in some of the most challenging humidity applications.

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 373 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 the 373 electronics so that measurement uncertainty can be reduced and long-term stability maintained in the event of changes to the 373 measurement electronics.

The latest 373 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.

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T12 Thermometer

T12 Thermometer
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The T12 is a precise and stable platinum resistance thermometer (PRT) multi-channel temperature measurement system. Using a custom designed high quality measurement circuit, 24 bit analog to digital converters and multiplexor sampling; the T12 provides 12 channels of precise temperature data for validation and calibration engineers.

T12 repeatedly scans all 12 channels and the low and high range internal reference resistors, with user configurable excitation current. Employing a full reversal current source, the T12 eliminates polarity sensitive errors inherent in DC measuring techniques.

The GeckoR2 software supplied allows each channel to be individually configured with ITS-90 or Callendar-Van Dusen coefficients for direct conversion of resistance to temperature. The T12 connects to a PC through an RS-232 Interface. An RS232 to USB converter is included.

There are four versions available, the T12, T12-S, T12-SE and the T12-E.  The new ‘S’ versions feature Smart Connectors that are configured using GeckoR2 with coefficients and calibration corrections, probe position and unique identifiers.

A typical application of the T12 is the validation of temperature uniformity in climatic chambers, incubators, ovens and humidity generators.  In combination with dew point measurement data from an MBW dew point mirror, the T12 can also be used to determine relative humidity uniformity directly within GeckoR2 software. This means that development, validation and calibration engineers can directly assess performance and observe the effects of changes in system settings in real time.

Features

  • Twelve channel temperature measurement
  • Integrated scanner
  • High precision, stability and repeatability
  • Negligible temperature coefficient
  • Internal reference resistors
  • PC software for system control and data acquisition
  • Simple to configure and use

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573 Dew Point Mirror

573 Dew Point Mirror
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The 573 Dew Point Mirror is a high performance 19″ rack format instrument that is very well suited to fixed industrial installations. The 573 is equipped with an integral measurement head, pressure sensor, sample pump and flow meter for continuous precision monitoring of frost/dew point and absolute humidity values across a wide range of applications.

The 573 is very similar in specification to the 973, but adds the capability to measure dew points above the ambient temperature thanks to versions with heated measuring heads and sampling tubes. A special option on the 573H and 573HX variants is an automated steam trap that provides user controlled draining of condensation collected during operation at dew points up to 95 ?C.

Features

  • Integral frost/dew point measuring head
  • Internal sample pump
  • Optimal Response Injection System
  • ForceFrostTM 
  • Ice-Test user calibration verification
  • User configurable sampling circuit
  • Drop-in replacement for DP3, DP8 and DP30
  • Dew points up to +95 ?C

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373 Dew Point Mirror

373 Dew Point Mirror

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T12 Thermometer

T12 Thermometer

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573 Dew Point Mirror

573 Dew Point Mirror

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