info@gbtest.cn
en
ru
es
ar
N500 2.0 Gas Transmission Rate Tester
Product Introduction
Designed and manufactured based on the differential pressure test principle in compliance with GB/T 1038, ISO 2556 and other standards. Equipped with high-precision pressure sensors and automatic differential pressure maintenance technology to deliver superior test accuracy.
It is suitable for testing gas transmission performance of films, sheets, paper, packaging containers and related materials used in food, pharmaceutical, medical device, daily chemical, photovoltaic electronics and other industries, offering wide-range and high-efficiency gas permeability detection for high, medium and low gas barrier materials.
Get QuotationTest Principle
The N500 2.0 gas transmission rate tester adopts differential pressure method. Place the processed test sample between upper and lower cavities, vacuum the entire gas circuit system with a vacuum pump, then fill the upper cavity with experimental gas under 0.1 MPa to form a stable differential pressure between two cavities.
Driven by pressure gradient, gas penetrates the film from upper cavity to lower cavity. The system calculates gas transmission rate and other barrier property parameters of the sample via pressure variation detected in the lower cavity.
Compliant Test Standards
Chinese Pharmacopoeia 2025 Edition <4007 Test Method for Gas Permeability of Pharmaceutical Packaging Materials>, GB/T 1038.1, ISO 2556, ISO 15105-1, ASTM D1434, JIS K7126-1, YBB 0008-2003
Technical Specifications
| Test Range | 0.02~50000 cm³/(m²·24h·0.1MPa) |
| Resolution | 0.0001 cm³/(m²·24h·0.1MPa) |
| Temperature Control Range | 15~60℃ |
| Temperature Control Accuracy | ±0.1℃ |
| Vacuum Degree | ＜10 Pa |
| Vacuum Resolution | 0.01 Pa |
| Test Pressure | 0.1 MPa |
| Test Gas | O₂, CO₂, N₂, etc. |
| Effective Permeation Area | 50.24 cm² |
| Specimen Size | Φ110 mm |
| Max Specimen Thickness | ≤2 mm |
| Test Quantity | 1 specimen per batch |
| Overall Dimension | 380 mm × 585 mm × 345 mm |
| Net Weight | 25 kg |
| Rated Power | 450 W |
| Power Supply | AC 220 V, 50 Hz |
Product Advantages
• Patented core technology delivers efficient and precise testing. The patented automatic differential pressure maintenance technology freely adjusts pressure difference on both sides of sample; built-in high-precision pressure sensor with 0.01 Pa resolution, excellent stability and low failure rate.
• Bidirectional automatic temperature control via semiconductor cooling chip, temperature control accuracy up to ±0.1℃.
• Original high-reliability vacuum pump with ultimate vacuum of 0.05 Pa, featuring high pumping efficiency and low noise.
• Brand-new pneumatic gas circuit control system, one-touch automatic fixture locking for effortless operation and superior sealing performance.
• Wide measuring range for diverse test demands, lower detection limit reaches 0.02 cm³/(m²·24h·0.1MPa), compatible with all high/medium/low barrier materials. Optional adapters support testing gas permeability of bottles, bags, bowls and other containers; compatible with O₂, CO₂, N₂, air and various test gases.
• Supports research on gas permeation process. Software permeation module calculates gas transmission rate, permeability coefficient, diffusion coefficient and solubility coefficient. Data fitting function available at arbitrary temperatures to generate material barrier parameters under different thermal conditions. Custom high-pressure test function supports precise pressure holding within 0~300 kPa.
• Ergonomic & aesthetic exterior design with refined 3D printed housing, smooth streamlined and fashionable appearance. Fully automatic one-click testing with auto-judgment and auto-stop function. Real-time visualization of five groups of curves: permeation volume-time, temperature-time, upper cavity pressure-time, lower cavity pressure-time, differential pressure variation-time, with curve preview & hide function.
• Intelligent self-developed operating system with modular graphic interface, flexible parameter setting for intuitive operation. Designed compliant with GMP Annex , equipped with audit trail and multi-level user authority management to meet full data traceability requirements for pharmaceutical industry. Customizable test reports with multiple export formats, digital signature and online report submission & approval function supported.
• Professional calibration service guarantees accurate & reliable data. GBPI holds National Standard Reference Material Certificate approved by SAMR, standard substance serial numbers GBW(E) 130541 / GBW(E) 130542. Instrument calibration and verification with national standard reference materials ensure test data accuracy, universality and authority.
• Intelligent laboratory IoT platform compatible. Connect instrument to network for digital management, remote authorized login for experimental data management, remote fault diagnosis & troubleshooting. Users can download instrument manuals, documents and operation videos directly on the platform.
Application Fields
Films
Gas permeability test for plastic films (PP/PET/PE/PVC/BOPP/CPP), plastic composite films, paper-plastic films, metal-laminated films, co-extruded films, aluminum plated films, biodegradable packaging films (PLA/PBAT/PBS) and other film materials.
Sheets
Gas permeability test for solid pharmaceutical hard sheets (PP/PVC/PTP), metal composite sheets, rubber sheets and other sheet materials.
Paper & Paperboard
Gas permeability test for coated paper, carbon paper, silicone coated paper, aluminized paper, paper-aluminum-plastic composite sheets and other paper & paperboard products.
Medical Plasters & Warm Patches
Gas barrier performance test for medical medicinal plasters, heating patches, menstrual cramp relief patches and other medicinal adhesive products.
Sanitary Products
Gas permeability test for sanitary napkins, panty liners and other disposable hygiene supplies.
