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AquaLab 4TE Series User Manual

AquaLab 4TE Series
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AquaLab 14 FURTHER READING
different methods. Journal of Food Science 41:910-917.
Marcolli, C., and Th . Peter. 2005. Water activity in polyol/water
systems: new UNIFAC parameterization. Atmospheric Chemistry
and Physics 5:1545-1555.
Ninni, L., M.S. Camargo, and A.J.A. Meirelles. 2000. Water ac-
tivity in polyol systems. Journal of Chemical and Engineering Data
45:654-660.
Prior, B.A. 1979. Measurement of water activity in foods: A re-
view. Journal of Food Protection 42:668-674.
Rahman, M.S. and S.S. Sablani. 2001. Measurement of water ac-
tivity by electronic sensors. P. A2.5.1-A2.5.4 In R.E.Wrolstad (ed.)
Current Protocols In Food Analytical Chemistry. John Wiley &
Sons, Inc., New York.
Rahman, M.S., S.S. Sablani, N. Guizani, T.P. Labuza, and P.P.
Lewicki. 2001. Direct manometic determination of vapor pressure.
P. A2.4.1-A2.4.6. In R.E. Wrolstad (ed.) Current Protocols In Food
Analytical Chemistry. John Wiley & Sons, Inc., New York.
Reid, D.S., A.J. Fontana, M.S. Rahman, S.S. Sablani, T.P. Labuza,
N. Guizani, and P.P. Lewicki. 2001. Vapor pressure measurements
of water p. A2.1.1-A2.5.4. In R.E. Wrolstad (ed.) Current Protocols
In Food Analytical Chemistry. John Wiley & Sons, Inc., New York.
Reid, D.S. 1976. Water activity concepts in intermediate moisture
foods. p. 54-65. In R.Davies, G.G.Birch, and K.J.Parker (ed.) In-
termediate Moisture Foods. Applied Science Publishers, London.
Richard, J., and T.P. Labuza. 1990. Rapid determination of the
water activity of some reference solutions, culture media and cheese
using a dew point method. Sci. des Aliments 10:57-64.
Roa,V., and M.S.Tapia de Daza. 1991. Evaluation of water activity
measurements with a dew point electronic humidity meter. Lebensm
79

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AquaLab 4TE Series Specifications

General IconGeneral
Accuracy±0.003 aw
Temperature Control15 to 50 °C
Measurement Time5 minutes
Measurement PrincipleChilled Mirror Dewpoint
Resolution0.0001 aw
Temperature Accuracy±0.1 °C
CommunicationUSB, RS-232
DisplayLCD
Measurement Range0.03 to 1.00 aw
Operating Temperature4-50 °C (39-122 °F)
Data Storage8000 readings
Power Supply50/60 Hz
Storage Temperature-20 to 50 °C

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