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C230H Oxygen Transmission Rate Test System is designed and manufactured based on the coulometric sensor method (aka. equal pressure method) and conforms to ASTM D3985. This instrument can be used to measure the oxygen transmission rate of barriermaterials with high and medium barrier properties with high accuracy and high efficiency. The instrument features Labthink’s patented design of integrated test block consisting of three permeation cells. Equipped with a high precision coulometric sensor and Labthink’s professional computer-controlled system, the instrument can regulate and control the temperature, humidity and flow rate precisely, guaranteeing high sensitivity and excellent repeatability of test results. C230H is applicable to the determination of oxygen permeability of plastic films, sheeting, paper, and other packaging materials used in food, pharmaceutical, medical apparatus, consumer products, photovoltaic and electronic industries, etc. Optional accessories extend the capability to testing complete packages and systems such as bottles, pouches, cartons, blister packs, tubes and more.

* Patented integrated test block with advanced hydrodynamic and thermodynamic designs.
* Labthink’s proprietary thermostat technology ensures that the test block is precisely temperature controlled and remains stable throughout the test.
* Three identical specimens can be tested simultaneously, which meets the requirements for parallel test.
* Three distinct specimens can be tested under the same testing condition, delivering higher throughput while reducing the number of instruments required.
* Automatic temperature and humidity control eliminates the need for operator monitoring and adjustment.
* Automatic flow rate control ensures constant flow during the testing process and minimizes any errors caused by an unstable flow rate.
ASTM D3985, ASTM F1307, GB/T 19789, GB/T 31354, DIN 53380-3, JIS K7126-2-B and YBB 00082003-2015
Films
Plastic films, paper-plastic composite films, coextruded films, aluminized films, aluminum foils, aluminum foil composite films, glass fiber aluminum foil composite films and many others
Sheeting
PP, PVC and PVDC sheets, metal foils, rubber pads, silicon wafers and other sheeting materials
Packages
Plastic, rubber, paper, paper-plastic composite, glass and metal packages, e.g. Coke bottles, peanut oil packages, Tetra Pak materials, vacuum bags, metal three-piece cans, plastic packages for cosmetic, soft tubes for toothpaste, jelly and yogurt cups
Test Parameters | ||
Test Range | cm3/(m2·d) (Standard) | 0.01 ~ 200 |
cc/(100in2·day) | 0.0007 ~ 12.9 | |
cm3/(pkg·d)(Package) | 0.00005 ~ 1 | |
Resolution | cm3/(m2·day) | 0.001 |
Repeatability | cm3/(m2·day) | 0.01 or 2% |
Test Temperature | °C | 10 ~ 55 ±0.2 |
Test Humidity | RH | 0%, 5% ~ 90%±1%, 100% |
Additional Functions | Package Test (3L Max.) | Optional |
DataShieldTM Note2 | Optional | |
Computer System required by GMP | Optional | |
CFR21 Part11 | Optional |
Specifications | |
Test Chamber | 3 test chambers |
Specimen Size | 108 mm X 108 mm |
Specimen Thickness | ≤3 mm |
Standard Test Area | 50 cm2 |
Carrier Gas | 99.999% High-purity Nitrogen (outside of supply scope) |
Carrier Gas Pressure | ≥0.28 MPa/40.6psi |
Port Size | 1/8 inch metal tubing |

Note: this is just a sample packaging. We Labthink cares all instruments that we are sending to customers.
Lifelong free of charge! unpacking, Installation, debugging, training, maintainance, etc
Include installation, debugging, operation and application training, calibration, repairing
More than 30 International service providers give you promote services.
Located in Medford, MA; has 30+ employees, including sales team, after-service team and shown room.
360 m2 test area, 120 testing instruments, 20+ experienced lab technicians. Provide test data as well as soluction services
Each Lathink instrument are carefully checked and debugged by the engineers.



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