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W 320 Type Water Vapor Permeability Analyzer - China

price: contact company for price

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:10C~50C

4. Temperature control precision:±0.1C

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.

Please inquiry for your need now


Company Contact:


  • Phone: 86-20-82209971

  • Address: No.1 Minghua 3 Street, Jinxiu Road, Economic Devel, Guangzhou, China

  • Email: Email


Published date: August 21, 2012 -

  • Business Description: GBPI focusing on the lab testing instruments. R&D and production services, we are dedicated to provide professional quality control solutions for customers in food packaging, cosmetics, pharmaceuticals, research organizations, quality inspection providers, universities and other various industries, educational institutions and new energy etc.

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