Computer Controlled Tray Dryer

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Specification • A compact desktop tray dryer suitable for laboratory use • Computer control of temperature and air flow rate, with sophisticated data logging and analysis software • Capacity: up...


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Specification • A compact desktop tray dryer suitable for laboratory use • Computer control of temperature and air flow rate, with sophisticated data logging and analysis software • Capacity: up to 2.1 Kg of wet material • Flow rates, 0.4 - 3.0m/s over trays • Temperatures up to  80°C at 0.4 m/s  (less at higher flows) • Integrated electronic weight measurement to determine drying rate • Electronic measurement of temperature and humidity before and after the drying trays • Electronic measurement of air flow • Stainless Steel Construction. Features > Stainless steel Construction > Computer Control of air flow rate and temperature > Full data logging > Integrated electronic weight measurement to determine drying rate > Electronic measurement of temperature and humidity before and after the drying trays > Electronic measurement of air flow Demonstration Capabilities - Demonstration of drying rate regimes - Heat and Mass Transfer - Drying tests on solids for industrial use - Effect of temperature and air velocity on drying rates - Use of psychrometric charts. Comprehensive instrumentation is included and the measured values recorded on the computer: • Weight of trays plus contents (with Tare function) • Temperature (dry bulb) and relative humidity of the heated air before the trays • Temperature and relative humidity of the air after passing over the trays • Air Velocity

From each pair of temperature and RH readings the full thermodynamic properties of the air can be determined using a psychrometric chart, i.e. the wet bulb temperature, the moisture content and the entropy. This allows for a more in-depth analysis for project or research work, for example comparing the change in moisture content of the air with the rate of moisture loss from the trays.

 


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Specification • A compact desktop tray dryer suitable for laboratory use • Computer control of temperature and air flow rate, with sophisticated data logging and analysis software • Capacity: up to 2.1 Kg of wet material • Flow rates, 0.4 - 3.0m/s over trays • Temperatures up to  80°C at 0.4 m/s  (less at higher flows) • Integrated electronic weight measurement to determine drying rate • Electronic measurement of temperature and humidity before and after the drying trays • Electronic measurement of air flow • Stainless Steel Construction. Features > Stainless steel Construction > Computer Control of air flow rate and temperature > Full data logging > Integrated electronic weight measurement to determine drying rate > Electronic measurement of temperature and humidity before and after the drying trays > Electronic measurement of air flow Demonstration Capabilities - Demonstration of drying rate regimes - Heat and Mass Transfer - Drying tests on solids for industrial use - Effect of temperature and air velocity on drying rates - Use of psychrometric charts. Comprehensive instrumentation is included and the measured values recorded on the computer: • Weight of trays plus contents (with Tare function) • Temperature (dry bulb) and relative humidity of the heated air before the trays • Temperature and relative humidity of the air after passing over the trays • Air Velocity

From each pair of temperature and RH readings the full thermodynamic properties of the air can be determined using a psychrometric chart, i.e. the wet bulb temperature, the moisture content and the entropy. This allows for a more in-depth analysis for project or research work, for example comparing the change in moisture content of the air with the rate of moisture loss from the trays.

 

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