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Working Principle
Water Method. Hold water in cup sealed by test sample; outside the cup remains dry by desiccant; as water molecules penetrate through the sample from inside the cup to outside, the cup weight will decrease; weigh the cup and calculate water vapor transmission rate.
Standards
ASTM E96, ASTM D1653
Features
- High precision sensor, continuous weighing and data acquisition.
- Automatic test, auto judgment, auto stop.
- Built-in operation system, can test independently without computer.
- LCD screen, Windows style interface, real time display test data; operate by mouse, easy to use.
- Advanced electromagnetic temperature control technology, program controlled, auto increase and decrease; integrated design; precision 0.1℃.
- High precision, can test aluminum foil.
- Can test packaging containers, such as bag, bottle, bowl etc. (optional)
- Sensor over range protection.
- Can expand to up to 12 test chambers.
- Profesional software, simple interface, easy to use.
- Real time display curves of transmission rate, weight, humidity, temperature.
- Can zoom and move curves freely, so as to make detail analysis.
- Professional test report, can export file in Office, PDF format etc.
- Calibrated by Standard Film or standard weight.
Specifications
| Test range | 0.01~10000 g/m2·24h |
| Test precision | 0.001 g/m2·24h |
| Temperature range | 15~45℃ |
| Temperature precision | ±0.1℃ |
| Humidity range | outside cup ≤10%, inside cup ≥90% |
| Test area | 50.24 cm2 |
| Sample size | Φ90 mm |
| Sample thickness | ≤2mm |
| Instrument size | 52×42×34cm |
Configuration
Water Vapor Permeability Analyzer, software, communication cable, power cable, sample cutter, sealing grease, 200g weight, cup, desiccant, spanner, mouse, Standard Films 1 set
Optional: computer, external fittings for packaging container test
