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Michell’s new humidity calculator makes moisture conversions quick and simple to do
A new humidity calculator is now available from Michell Instruments’ website for download and online use.
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The free tool enables engineers to make humidity calculations and parameter conversions quickly and easily. It has been designed to be used as either a stand-alone tool or in conjunction with a hygrometer.
Among the uses for the application are:
- Calculating humidity values at different pressures
- Calculating parameters that are not available on a particular instrument
- Converting previously measured data to alternative parameters.
The calculator is based on the formula found in British Standard BS1339-1, enabling the user to calculate any one of the following parameters with confidence:
- Dew Point temperature
- Frost Point temperature
- Relative humidity
- Absolute humidity
- Parts per million (volume)
- Parts per million (weight)
- Mixing ratio
- Wet bulb temperature
- Water vapour pressure & saturation vapour pressure
- Enthalpy
Users can customise the settings to change which parameters are shown and alter the order, to ensure complete ease of use.
A separate natural gas moisture calculator allows calculation of water dew-points in natural gas from ppmV and absolute humidity (mg/m3, g/3, kg/m3, lb/MMscf) and vice versa. These calculations are based on methods found in ISO 18453 and IGT Bulletin #8.
The online version of the calculator supports all major browsers (IE9+) and also works with Android, iOS and most other mobile devices.
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Got a question, need some advice or
just have a comment you'd like to share with us?
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Date: 4 June 2015
Ref : 183
Written & issued by Michell Instruments Ltd.
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