
WPT-304 Water Vapor Permeability Tester
- Model: WPT-304
- Brand: Saicheng Instrument
- Category: Water Vapor Permeability Tester
- Rating:
- Supply: 10 Sets / Week In stock!
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WPT-304 Water Vapor Permeability Tester is manufactured based on the gravimetric method and is applicable to test the water vapor transmission rate of plastic films, composite films, sheets, and other materials used in packaging, medical and constructive industry.
Under a certain test temperature, the constant difference of humidity is generated between two sides of the test specimen. The water vapor permeates through the specimen and is into the dry side. By measuring the weight changes of the test dish in different time, water vapor transmission rate and other parameters can be obtained.
This test instrument conforms to many national and international standards:
ISO 2528, ASTM E96, ASTM D1653, TAPPI T464, DIN 53122-1, JIS Z0208, GB/T 1037, GB/T 16928, YBB 00092003
Basic Applications |
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Films |
Sheeting |
Paper, Paperboard |
Textile and Non-woven |
Items | Specifications |
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Test Range |
0.1 ~ 10,000 g/m2·24h (Standard) (Customization is available for desiccant method) |
Number of Specimen |
1 ~ 4 PCS with independent test results (Customization ≤ 8 PCS) |
Accuracy | 0.01 g/m2·24h |
Resolution | 0.0001g |
Temperature Range | 10°C ~ 55°C (Standard) |
Temperature Accuracy | ±0.5°C |
Humidity Range | 10%RH ~ 90%RH (Relative humidity) |
Humidity Accuracy | ±2%RH |
Air Velocity | 0.5 ~ 2.5 m/s (Customization is available) |
Test Area | 33.18 cm2 |
Sample Thickness | ≤ 3 mm (Customization is available) |
Sample Size | Φ72 mm |
Port Size | Ф6 mmPU tubing |
Instrument Dimension | 500 mm (L) × 500 mm (W) × 550 mm (H) |
Power Supply | AC 220V 50Hz |
Net Weight | 42 kg |
Standard Configurations: Instrument, Professional Software, Test Dishes, Desiccant Device, Automatic Moisture Filter, Communication Cable, Round Sample Cutter, Quantitative Dropper, Gloves.
Optional Parts: Reference Film, Desiccant container,air compressor, 4A molecular sieve.
Note: 1. The gas supply port of the instrument is Φ6 mm PU Tubing;
2. Customers will need to prepare for gas supply and distilled water.