Gravimetric Method Water Vapor Permeability Analyzer W303 2.0
Product introduction
The W303 WVTR tester is designed and produced based on the test principle of weight method (weight reduction) and as per the standards of GB/T 1037 and ASTM E96, etc. It is suitable to measure the water permeability performance of film, sheets, papers, packagings and other related materials in the industries of food, pharmaceutical, medical equipment, daily chemicals, Photovoltaic electronics, etc, providing wide range and high efficiency water vapor transmittance detection for high, medium and low water vapor barrier materials.
Test principal
Adding distilled water to a dry, clean test dish, put the test dish sealed by pre-processed sampl into the test chamber, by controlling temperature and humidity, make the distilled water in the test dish evaporate, the evaporated water vapor is absorbed by the drying device through the film, by measuring decreasing weight change of distilled water in the test dish over time, obtain the parameters of water vapor permeability of the sample, etc.
Weight loss principle diagram
Standards
GB/T 1037,GB/T 16928,ASTM E96/E96M,ASTM D1653,TAPPI T464,ISO 2528,DIN 53122-1,JIS Z0208,YBB 00092003
Technical Parameters
| Item | Technical Parameters |
| Test Range | 0.1~10000 g/(m²·24h) |
| Resolution | 0.0001 g/(m²·24h) |
| Temperature Control Range | 15~55°C |
| Temperature Control Accuracy | ±0.1°C |
| Humidity Control Range | 90%RH (Relative Humidity) |
| Humidity Control Accuracy | ±2%RH |
| Permeation Area | 50.24 cm² |
| Sample Size | Φ90 mm |
| Sample Thickness | ≤3 mm |
| Test Quantity | 3 pieces |
| Overall Dimension | 1150 mm × 545 mm × 315 mm |
| Weight | 66 kg |
| Power | 1300 W |
| Power Supply | AC 220 V, 50 Hz |
Application
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Film |
Water vapor permeability tests of membrane materials such as All kinds of plastic film (PP/PET/PE/PVC/BOPP/CPP, etc.), plastic composite film, paper-plastic composite film, metal composite film, co-extrusion film, aluminum plating film, degradable packaging film (PLA/PBAT/PBS, etc.), etc. |
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Sheet |
Water vapor permeability tests of solid pharmaceutical hard sheet (PP/PVC/PTP, etc.), metal composite sheet, rubber sheet and other sheet materials. |
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Paper, paperboard and composite materials |
Water vapor permeability tests of Coated paper, silicone paper, cigarette aluminized paper, paper aluminum-plastic composite sheet, paper board. |
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Medicinal patches |
Water vapor permeability tests of medical plaster for treatment. |
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Package |
Customizable fixtures can be extended to packages such as pharmaceutical polyethylene bottles, sealed bags, pharmaceutical ointment tubes, infusion hoses, plastic trays, etc. |
Factory configuration
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Standard configuration |
Power cord, Scale + syringe, wet cup, sampler, Sealing grease, standard weights, 4A molecular sieve, Serial cable, Hex Wrenches, mouse, 125μm standard film, wire and aviation socket welding kit, cross screwdriver. |
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Optional |
Computer, calibration certificate |
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