Aqualab 4TE DUO water activity meter/moisture analyzer from the United States

The Decagon Aqualab 4 Duo multifunctional water activity meter in the United States uses the "dew point method" to simultaneously measure moisture content and water activity using the same instrument. Complete comprehensive moisture analysis within 5 minutes, which has significant advantages compared to traditional moisture content analyzers.
Calculate moisture content through water activity
The dew point method does not require the use of chemical reagents or work at high temperatures. Just cover the sample with a lid and wait for it to reach steam equilibrium to read. Inside the instrument, the infrared beam is focused onto a non focused area
Accurately measure the dew point temperature of the sample on a small mirror surface. The dew point temperature is immediately converted into water activity, and the moisture content is calculated through the built-in moisture adsorption isotherm of the instrument. Two results are obtained
All are displayed on the instrument screen.


Features of Decagon Aqualab 4 Duo multifunctional water activity meter in the United States:
Water sorption isotherms
To calculate moisture content using water activity, it is necessary to understand the relationship between two parameters. This relationship is actually the water adsorption isotherm, and for each different type of product, the relationship between water activity and water content is complex and also different. Customers can automatically calculate the moisture content based on the moisture adsorption isotherm of the sample.

how it works
Take about 7 mL of sample, place the sample cup in the sample chamber, close the instrument box cover, seal and wait for the steam to reach equilibrium. At equilibrium, the relative humidity of the air in the sample chamber is equal to the water activity of the sample.

Fast and accurate
The accuracy of water activity testing is ± 0.003 aw, and the measurement time is less than 5 minutes (average time 2.5 minutes). Aqualab is a reliable water activity meter on the market.

data security
The 4TE DUO water activity meter can store 8000 sets of data. Including water activity readings, calibration data, measurement time, date, and operator information. 25 different usernames and passwords can be set simultaneously.

Easy to use
The Aqualab water activity meter measures quickly, accurately, and simply. Both laboratory researchers and production line operators can measure water activity within 5 minutes with high accuracy
It is 0.003 aw.

Easy to clean
Flipping up the sample compartment lid can quickly detect stains on the sensor, and cleaning is very simple.

Can be used anywhere
The water activity is closely related to temperature. The instrument temperature can be set arbitrarily between 15-50 ° C, so that the instrument can be used anywhere - even outdoors.

Technical parameters of Decagon Aqualab 4 Duo multifunctional water activity meter from the United States:
Sensor type:
Mirror condensation dew point sensor
Infrared temperature sensor
Accuracy: ± 0.003aw
Resolution: ± 0.0001aw
Measurement range: 0.1000-0.9500aw
Repeatability: ± 0.001aw
Moisture content resolution: ± 0.01%
Moisture content repeatability: 0.02%
Moisture content reference method compatibility: ± 0.01% to ± 0.5%
Temperature control: 15~50 ° C adjustable
Temperature accuracy: ± 0.2 ° C
Temperature resolution: 0.01 ° C
Temperature stability: Within the optional range, internal semiconductor control
Sample cup capacity: Recommended 7 mL (15 mL)
Measurement time: less than 5 minutes
Program identifier: alphanumeric, programmable display of product name, batch number or ID number
Data storage: 8000 readings
Data interface: RS232A; USB
Display screen: 128 × 64 pixel backlit display
Volume: 26.7 × 17.8 × 12.7cm
Shell material: processed aluminum frame, Lustran433 (ABS) flame retardant material
Weight: 3.18kg
Power supply: 110V-220V AC, 50/60Hz; ＜ 0.4Amps
Working environment: 4-60 ℃; 0-90% relative humidity (non condensing)
Certification: CE
Warranty: 1 year, parts and labor