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Function and usage

 The GBPI model W320 has two test chambers with two separate sensors, and is a self standing instrument. W320 gives simultaneous test reports, as both the test chambers have separate SENSOR. It measures trace water vapor transmission rates in packaging barrier films. Model W320 ensures the high precision of the testing results with its accurate electromagnetic balance type weighing cell and the circuit handling. It can precisely control the temperature and simulate the humidity. The dual-testing mode (increasing and decreasing weight methods) is initially adopted. Testing curve could spontaneously show the permeation, temperature, humidity and the weight of water permeating cup. It also features auto-judging, auto-outage, and auto-storage of the data’s. The adopted TCP/IP  interface make it easy to inspect the running state, controlled by computer through USB. It is designed and manufactured according to the standard ISO2528:1995、GB/T1037-1988 、GB/T16928-1997 、YBB00092003、ASTM F1770、ASTM D1653-03 、ASTM E96-00e1, ASTM E-398, TAPPI T464.

Technical Specifications

1. Measuring range 0.02~10000g/m3*24h

     SENSOR: 0.0001g (best European brand, tested recommended by NASA)

  Test Chambers: Two (each chamber has a separate sensor)

2. Testing precision : 0.001g/m2*24h

3. Testing temperature:10℃~50℃

4. Temperature control precision:±0.1℃

5. Humidity Range:0%~30%RH (Best recommended as per International standards), (also available as per Chinese standard (5%- 90% RH)

6. Humidity precision: ±2%RH

7..Calibrated film supply: High barrier and Low barrier- 2 each (PET 12 and Multilayer 100u)

     Dimension: 20cm*20cm*2cm.

8.Silica gel required : 250g / Chamber

9. Transmission area: 50.24cm2

10.Power Supply: 220V,50HZ

11. Weight: 60KG

12.Dimension: 955 (L)mm*745(W) mm.*660(H) mm.

Features

1.The mainframe through the USB port connects to computer, or without connecting computer , you can use the true color touch screen to work independently;

2, High-precision sensors, continuous data collection, accurate and reliable data ;

3, Super-range protection of sensors;

4, The temperature systems use pulsed controlling methods of electromagnetic technology , excellent structure and accuracy temperature;

5, The unique design of dehumidification chamber, using the reference flow ratio method to control humidity, excellent performance of controlling wet;

6, Simple operation, prevention function for parameter setting errors;

7, Calibration parameters with locking management, and the experiment parameters have self-locking, fully automatic for the process;

8, The software interface supports dynamic display of data;

9, The software interface supports the dynamic scaling curve;

10, The software displays the status of each curve in time;

11, With data storage capabilities to facilitate the analysis of experimental results;

12, Through the serial port can be directly connected to the computer;

13,Easily export a proprietary format for editing, printing;

14, The computer automatically monitor the entire process;

Software interface