Oxygen Transmission Rate / OTR Test System
Gas permeability is the ability of a barrier material to allow gases (O2, N2, CO2 etc.) to permeate through it in a specific time. Gas permeability may vary with temperature, humidity, pressure and specimen thickness.
| Testing Instrument | Testing Method | Test Gas Note 1 | Specimen |
|---|---|---|---|
| C230 Series, OX2/231 | Coulometric Sensor Method (Equal Pressure) | O2 Only | Films & Sheeting, Packages |
| C130H | Differential Pressure | O2, N2, CO2, Air and He | Films & Sheeting |
| VAC Series | Differential Pressure | O2, N2 and CO2, Special GasesNote 2 | Films & Sheeting |
| G2/131, G2/132 | Differential Pressure | O2, N2 and CO2 | Films & Sheeting, Packages |
| G2/130 | Differential Pressure | O2, N2 and CO2 | Packages |
| BTY-B3P, BTY-B2P | Differential Pressure | O2, N2 and CO2 | Battery Diaphragms |
| OR2/410 | / | Organic Gases | Films & Sheeting |
Coulometric Sensor Method
C230 Series Oxygen Transmission Rate Test System
Oxygen Transmission Rate (OTR) Test System is designed and manufactured based on the coulometric sensor method (aka. equal pressure method) and conforms to ASTM D3985 and ISO 15105-2.
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