AquaLab
2. About AquaLab
4
2. About AquaLab
AquaLab is the fastest and most accurate instrument for measuring
water activity, giving readings in ve minutes or less. Its readings
are reliable, providing ±0.003 a
w
accuracy. e instrument is easy
to clean and checking calibration is simple.
AquaLab Model and Options
Series 4: Uses chilled-mirror dewpoint sensor, but lacks tempera-
ture control features of premium models.
Series 4TE: User-selectable internal temperature control model,
uses thermoelectric (Peltier) components to maintain internal tem-
perature.
Series 4TEV: Uses both a chilled-mirror dewpoint sensor and a ca-
pacitance sensor for measuring non-volatile and volatile substances,
respectively. Either sensor is easily selected using the instrument’s
menu system.
Series 4TE DUO: Uses chilled-mirror dewpoint and programmed
models obtained from isotherm data to give the user both water ac-
tivity and moisture content simultaneously in ve minutes or less.
AquaLab 4 Instrument Speci cations
Water Activity Range: 0.050 to 1.000 a
w
Water Activity Accuracy: ±0.003 (4TE Dew Point Mode)
Water Activity Accuracy: ±0.015 (4TEV Capacitance Mode)
Water Activity Resolution: 0.0001
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