Differential Pressure Method Gas Transmission Tester
Differential Pressure Method Gas Permeability Tester
1 / 2Differential Pressure Method Gas Transmission Tester
High-precision gas permeability tester based on the differential pressure method and designed in accordance with GB/T 1038, ISO 2556, and related standards, it is suitable for evaluating high-, medium-, and low-barrier materials in the food, pharmaceutical, medical device, daily chemical, and photovoltaic electronics industries.
Key Specifications
Test Range
0.01–25,000 cm³/(m²·24 h·0.1 MPa)
Test Resolution
0.0001 cm³/(m²·24 h·0.1 MPa)
Temperature Control
15–60°C (±0.1°C)
Test Stations
3 Samples
Global Shipping
50+ countries
2-Year Warranty
Parts & service
Expert Support
Dedicated team
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The TS-GTR4 Gas Permeability Tester applies the differential pressure method and is engineered in accordance with recognized standards such as GB/T 1038 and ISO 2556. Built around a high-precision pressure sensor and automatic differential pressure maintenance technology, the instrument delivers consistently accurate results. It is well suited for evaluating the gas permeability of films, sheets, paper, packaging materials, and related substrates across the food, pharmaceutical, medical device, daily chemical, and photovoltaic electronics industries, offering wide-range, high-efficiency gas barrier testing for materials with high, medium, and low barrier performance.
Key Features
Patented core technology for efficient, accurate testing
Built for high throughput, wide range, and broad applicability
Supports scientific research into permeation processes
Refined appearance, intuitive operation, real-time visualized curves
Technical Parameters
| Parameter | Specification |
| Test range | 0.01~25000 cm³/(m²·24 h·0.1 MPa) |
| Resolution | 0.0001 cm³/(m²·24 h·0.1 MPa) |
| Temperature control range | 15~60°C |
| Temperature control accuracy | ±0.1°C |
| Vacuum degree | < 10 Pa |
| Vacuum accuracy | Indicated value ±0.2% |
| Vacuum resolution | 0.01 Pa |
| Test pressure | 0.1 MPa |
| Test gas | O₂, CO₂, N₂, etc. |
| Transmission area | 50.24 cm² |
| Sample size | Φ110 mm |
| Sample thickness | ≤2 mm |
| Test quantity | 3 pcs |
| Dimensions | 690 mm × 620 mm × 390 mm |
| Weight | 55 kg |
| Power | 750 W |
| Power supply | AC 220 V, 50 Hz |
Applications
- Films — A broad range of plastic films (PP, PET, PE, PVC, BOPP, CPP, and others), plastic composite films, paper-plastic composite films, metal composite films, co-extruded films, aluminized films, degradable packaging films (PLA, PBAT, PBS, and others), and related membranous materials.
- Sheets — Rigid medical-grade sheets (PP, PVC, PTP, and others), metal composite sheets, rubber sheets, and other sheet materials.
- Paper and cardboard — Coated paper, carbon paper, silicone paper, aluminized paper, paper-aluminum-plastic composite sheet, and other paper and cardboard products.
- Medicinal and warming patches — Medical plaster treatment patches, warming patches, dysmenorrhea patches, and similar products.
