Product Description
NAC432VAC-V1 is based on the differential pressure method, and is professionally applicable to the determination of gas transmission rate as well as solubility coefficient, diffusion coefficient and permeability coefficient of plastic films, composite films, high barrier materials, sheeting, metal foils, rubber, tires and permeable membranes.
Technical Specifications
| Specifications | Film Test |
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| Test Range | 0.1~100,000 cm3/m224h0.1MPa (standard volume) |
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| At least 600,000 cm3/m224h0.1MPa (extended volume) |
| Number of Specimens | 1 |
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| Vacuum Resolution | 0.1 Pa |
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| Vacuum Degree of Test Chamber | <20 Pa |
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| Temperature | Room temperature~50C |
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| Accuracy | 0.1C |
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| Specimen Size | 97 mm |
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| Test Area | 38.48 cm2 (70 mm) |
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| Test Gas | O2, N2 and CO2 (outside of supply scope) |
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| Test Pressure | -0.1 MPa~+0.1 MPa (standard) |
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| Gas Supply Pressure | 0.4 MPa~0.6 MPa |
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| Port Size | 6 mm PU Tubing |
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| Instrument Dimension | 680 mm (L) x 565 mm (W) x 550 mm (H) |
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| Power Supply | AC 220V 50Hz |
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| Net Weight | 130 kg |
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Reliable and Compliant TestingThe NAC432VAC-V1 ensures accurate gas permeability assessment by leveraging a high-precision coulometric sensor and flow control system. All testing strictly adheres to international standards like ASTM D1434 and ISO 2556/15105-1, making this instrument suitable for regulatory compliance and in-depth research. Its spacious chamber and automatic controls boost productivity and repeatability in laboratory environments.
Advanced Features for User ConvenienceFeaturing a 7-inch touchscreen LCD, the NAC432VAC-V1 offers an intuitive user interface, speeding up setup and data entry. Automatic temperature control, built-in alarms for temperature, pressure, or sensor issues, and both USB and RS232 outputs streamline the testing workflow. Simultaneous testing of up to three samples also enhances laboratory throughput.
Uniform Results Across ApplicationsDesigned for plastic films, foils, flexible containers, and barrier packaging, the tester provides reliable results regardless of the sample matrix. The adjustable pressure and temperature settings accommodate diverse material requirements, ensuring flexibility for different packaging R&D and quality-control applications.
FAQs of NAC432VAC-V1 Gas Permeability Tester:
Q: How does the NAC432VAC-V1 Gas Permeability Tester measure gas transmission rates?
A: The NAC432VAC-V1 employs a coulometric sensor method to detect and quantify the permeability of various gases, including O, N, and CO, through material samples. The system maintains controlled temperature, humidity, and pressure conditions as per pre-set parameters, providing highly precise and repeatable measurements.
Q: What types of materials can be tested with this instrument?
A: This tester is suitable for examining plastic films, aluminum foils, flexible packaging materials, sheets, and other barrier materials commonly used in food, pharmaceutical, and industrial packaging applications.
Q: When should calibration be performed on the device?
A: Calibration can be carried out either automatically or manually. It is recommended to calibrate the instrument before each test batch or when starting a new type of material to ensure measurement accuracy and compliance with lab protocols.
Q: Where are the test results outputted or stored?
A: The NAC432VAC-V1 provides versatile data output options, supporting both USB and RS232 interfaces. This allows for convenient data transfer, storage, and integration with laboratory information management systems (LIMS).
Q: What steps are involved in the testing process?
A: The user mounts the sample material (up to 108 mm in diameter) into the stainless steel chamber, sets the desired test parameters on the touchscreen, and starts the automated test cycle. The instrument continuously monitors conditions and displays real-time data, issuing alarms for any irregularities during the process.
Q: How does the tester benefit laboratory workflows?
A: By enabling simultaneous analysis of up to three samples and providing automated controls with intuitive operation, the NAC432VAC-V1 reduces manual work, enhances test throughput, and minimizes errors. Its compliance with key standards aids in achieving reliable, comparable results for quality assurance and research purposes.
Q: What is the measurement range and accuracy of this instrument?
A: The device measures gas permeability within a wide range of 0.01 to 100,000 cm/(m24h0.1MPa) with high precision, maintaining an accuracy of 2% of the reading. This capability ensures suitability for both low and high-barrier packaging assessments.