AquaLab 4TE Series User Manual

5 MENUS AquaLab
Temperature
The default temperature is 25
◦
C. Press the Enter button to change
the temperature setting. The AquaLab Series 4TE models may be
set between 15 and 50
◦
C by 0.1
◦
C intervals. Using the up and down
arrows, set the AquaLab to your desired temperature and press the
save button.
Temp Eq
The Temperature Equilibration option allows you to set the level
of temperature equilibration desired before the water activity mea-
surement begins. The range is 0.5 to 4.0
◦
C. A setting of 4.0
◦
C
begins the measurement immediately (assuming the sample is not
> 4.0
◦
C above or below the block temperature). A setting of 0.5
◦
C will cause the instrument to wait until the sample temperature is
within < 0.5
◦
C of the block temperature before starting the water
activity measurement.
18

AquaLab 4TE Series Specifications

General

Accuracy	±0.003 aw
Temperature Control	15 to 50 °C
Measurement Time	5 minutes
Measurement Principle	Chilled Mirror Dewpoint
Resolution	0.0001 aw
Temperature Accuracy	±0.1 °C
Communication	USB, RS-232
Display	LCD
Measurement Range	0.03 to 1.00 aw
Operating Temperature	4-50 °C (39-122 °F)
Data Storage	8000 readings
Power Supply	50/60 Hz
Storage Temperature	-20 to 50 °C