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Water Activity Meter

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Application:
Water activity meter, indicates the free water content when food is stable, measures the possibility of microbial proliferation Food formulators use water activity to predict how much moisture migration will affect their product, so that to choose suitable package and storage method to reduce the usage of antiseptics.
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Features:
  • The measured object is unlimited, liquid solids and powder etc.
  • Printer output as standard accessory.
  • Chemical resistant. (only for BWA-6).
Technical Parameters:
Model
​BWA-3A
​BWA-6
​Working Temp.
​0~50°C
​-10°C~50°C
Working Humidity
​0~95%RH
​0~95%RH
​Display
​LCD display 
LCD display 
Measuring Range/​Temperature
​0~50°C
​-10°C~50°C
Measuring Range/​​Water Activity
​0~0.980
0~1.000
Measurement Accuracy/​Temperature
±0.5°C
​±0.5°C
Measurement Accuracy/​​Water Activity
​±0.015 (@25°C)
​±0.012 (@23°C±5°C)
​Measurement Time
​5~40min
5~40min
Measurement Points
1
​1~4
​Temperature Coefficient
​≤0.0005/°C
​≤0.0005/°C
Activity Repeatability
≤0.015
​≤0.008
​Print Function
​a. Print at the end of the measurement
​b. Real-time print
​​a. Print at the end of the measurement
​b. Real-time print
Correction Mode
​Single-point calibration
Multi-point joint calibration,
​single-point calibration
​Interface
/
​RS232, USB
​Standard Accessories
​Micro printer, one sensor
Data cable, micro printer, one sensor
Consumption
​15W
​10W
​Power Supply
AC110/220V±10%, 50/60Hz
​AC110/220V±10%, 50/60Hz
​Package Size(W*D*H)mm
​550*430*240
740*430*240
Gross Weight(kg)
​11.5
​15.5

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