Water Activity Meter

Description :

Introduction:

DWA-600 is updated model from DWA-300 it has wider measuring range, higher accuracy, takes less time to get result, can save data to PC excels true USB and can equip 1/2/3/4 sensors as requirement.

Water activity or aw , 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.

Features:

1. High stability.

2. Long using life in good performance without fault.

3. Better data processing program leads to more accuracy testing result.

4. Chemical resistant. The testing result keeps reliable when testing many different kinds of volatility material.

5. Imported chip inside sensor is with good stability and high accuracy. Avoid passivation.

6. It can save real-time testing value or final testing result. User can also set time to save data. All data can be transmitted to PC and saved as file/sheet.

7. It can reserve 5000 sets of testing results, and results can be saved to PC.

8. No need to calibrate every time.

9. It has RS232 port and USB port, can be connected to mini-printer.

10. Reasonable interface, easy to operate.

11. It is suitable to test different kinds of material, such as solid, liquid, powder are all OK.

12. Optional stylus printer, can print data for long time storage.

13. The shortest measuring time is 4-5 minutes only.

14. Buzzing when measurement finishes or calibration finished.

specification :

Specifications:

Model

DWA-600

Working environment

Temp: -10℃~50℃

Humidity:  0~95%RH

Display

Big LCD screen, 128×64 DOTS

Measuring range

Temp: -10~50℃

aW: 0~1.000aw

Accuracy

Temp: ±0.5℃

aW: ±0.012aw(@23℃±5℃)

Resolution

Temp:0.1℃

aW: 0.001 aw

aW repeatability

±0.01aw

Measuring point

1~4 measuring sensor, optional

Measuring time

①timing: 5~40mins

②Auto measurement

Average time free from system fault

18000 hours

Print function

Measurement finishes

Real-time print

Power supply

100~230VAC, 50Hz/60Hz

Power

<10W/each ( energy saving)

Dimension

280mm×110mm×300mm

Packing

Portable aluminum boxes for the meter

Data processing

①It can save real-time testing value or final testing result. User can also set time to save data. All data can be transmitted to PC and saved as file/sheet.

②can set the equipment at PC through software

Calibration

Several point calibrated together or single point calibration

 

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