Model 473-SHX

High Performance & Precise

Dew Point Chilled Mirror Analyzer for High Temperature Applications

The MBW CALIBRATION™ MODEL 473-SHX™ Dew Point Chilled Mirror Analyzer’s measuring head is an evolution of the tried and tested SH measuring head. It is able to operate in test conditions up to 125°C thanks to the use of optical components, electronics and materials that are able to withstand high temperatures. Our development team tested a range of components over the SHX working range to achieve the best possible performance.

The MODEL 473-SHX™ Dew Point Chilled Mirror Analyzer is designed to provide accurate and reliable measurements of dew point temperature in challenging environments. Some of the key benefits of this instrument include:

  1. High accuracy:  Uses a chilled mirror sensor to measure dew point temperature, which provides highly accurate and repeatable measurements over a wide range of temperatures and pressures. The instrument can measure dew point temperatures as low as -95°C (-139°F), with an accuracy of ±0.1°C (±0.18°F).

  2. Fast response time: Has a fast response time, allowing it to quickly detect changes in dew point temperature and respond accordingly. This is especially important in applications where rapid changes in humidity levels can occur, such as in industrial processes and environmental monitoring.

  3. Robust design: Built to withstand harsh environments and extreme temperatures, with a rugged aluminum housing and a heated mirror assembly that prevents frost and condensation from forming on the mirror surface. This makes it ideal for use in outdoor or industrial applications where other types of instruments may not be able to function reliably.

  4. Easy to use: Features a user-friendly interface with a large, easy-to-read display and simple menu navigation. It also has a variety of output options, including analog and digital signals, making it easy to integrate into existing systems or data loggers.

  5. Versatility: can be used in a wide range of applications and industries, including environmental monitoring, industrial processes, HVAC systems, and more. It is also available in a variety of configurations to suit specific application requirements, such as the addition of a built-in sample conditioner or a range of different power options.

The MODEL 473-SHX™ Dew Point Chilled Mirror Analyzer is used in a variety of industries where accurate measurement of dew point temperature is critical. Some of the industries include:

  1. Environmental monitoring: Used in environmental monitoring applications, such as weather stations, climate research, and greenhouse gas monitoring, to measure dew point and frost point temperatures.

  2. Semiconductor manufacturing: Used in the semiconductor manufacturing industry to measure humidity levels in cleanrooms and other controlled environments, where even small changes in humidity can affect the performance of sensitive equipment.

  3. Power generation: Used in power generation facilities to monitor and control humidity levels in combustion processes and steam turbines, which can affect efficiency and equipment lifespan.

  4. HVAC systems: Used in HVAC systems to monitor and control humidity levels in buildings, which can affect comfort, health, and energy efficiency.

  5. Industrial processes: Used in a wide range of industrial processes, such as chemical manufacturing, food and beverage production, and pharmaceutical manufacturing, to monitor and control humidity levels, which can affect product quality, safety, and efficiency.

  6. Aerospace and aviation: Used in the aerospace and aviation industry to measure humidity levels in aircraft cabins and cargo holds, as well as in spacecraft and satellites.

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Process Insights MBW Model 473-SHX-2020

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  • Validation of climatic chambers
  • Climatic chamber calibration
  • HALT/HASS test chambers
  • Fuel cell test
  • Dryer performance


    • Precise and stable chilled mirror dew point mirror technology
    • High temperature optical components
    • High temperature sample fan
    • Cable mounted dew point measuring head
    • Barometric pressure measurement option
    • Intuitive color touch screen user interface
    • Integral calibration stability verification 
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      Measuring Ranges

      Frost/Dew Point -30…+99 °C *
      Relative humidity 5…99 %rh **
      Temperature -50…+125 °C

      Frost/Dew point ≤ ± 0.1 °C
      Temperature ≤ ± 0.07 °C

      Frost/Dew point ≤ ± 0.05 °C
      Temperature ≤ ± 0.03 °C

      • * To measure -30 °C frost point, the SHX measuring head needs to be in a temperature environment below 10 °C.  To measure dew points up to 99 °C the SHX measuring head must be at least 3 °C above the dew point temperature.
      • ** Please note the operating conditions: The measuring head as well as the connectors must be operated under non-condensing conditions.
      • In combination with the T12 multi-channel thermometer, the MODEL 473 is particularly well suited to climatic chamber validation projects.

      Measuring Head SHX Part No. 141349

      The 473 SHX MODEL measuring head is the very latest addition to our hygrometer range. It is based on some of the very latest high-performance technologies to achieve new levels of specifications and performance.

      As a stable flow through a dew point mirror measuring head is essential to achieve stable measurement, we have focused much of the development on making sure that the 473 SHX MODEL flow fan functions over the whole working range. It uses a high temperature motor and custom design fan together with digital control from the 473 MODEL base instrument. In the event of need, the flow module can be easily replaced without specialist knowledge.

      In the event of damage to the 473 SHX MODEL measuring head, it is possible to order a replacement that can be fitted by your local representative or the user.

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