Overview- C403M Oxygen/Water Vapor Transmission Rate Test System is based on the testing principles of coulometric oxygen sensor and infrared water vapor sensor. It is designed and manufactured in accordance with standards such as ASTM D3985, ASTM F1249 and ISO 15106-2. It provides a high-precision integrated testing solution for water vapor and oxygen transmission rates of high and medium barrier materials. It is widely applicable in pharmaceuticals, food, medical devices, daily chemicals, photovoltaics, electronics and other fields, accurately detecting the oxygen and water vapor transmission performances of films, packaging, sheets and related materials.
Product Features- Combining Tests of OTR and WVTR in One: instrument can switch between OTR+WVTR combo test mode, OTR test mode and WVTR test mode; one sample mounting can automatically start and accomplish the combo test; both OTR and WVTR of the same sample can be evaluated to avoid sample contamination associated with instrument replacement.
- Core competence with ppb-level coulometric oxygen sensor offering lower test limit, designed according to ASTM D3985 with absolute value test principle and no need for calibration; sensor service life claimed longer than traditional sensors; oxygen absorption rate 95–98% (within range).
- Core competence with Labthink infrared water vapor sensor designed according to ASTM F1249; non-consumable design for ultra-long service life; with over-limit alarm and automatic protection functions.
- Multi-dimensional temperature and humidity control: 360° airflow circulation constant temperature technology for superior temperature stability; automated control of carrier gas flow and temperature; NIST-standard humidity generation principle for constant humidity; equipped with high-precision temperature and humidity sensors for real-time monitoring and recording; optional independent gas purification system to remove trace oxygen from nitrogen for ultra-pure nitrogen; system repeatability down to 0.02 cc/(m2·day).
- Independent three-cell design: drawer-style test cells with automatic sample clamping for superior sealing; three independent 50 cm² standard-area test cells for parallel sample tests and independent data; within one test cycle the number of samples tested increased from two to three.
- Intelligent control system: 10" medical-grade touchscreen with desktop OS for simple interface; fully automated testing with automatic data saving; embedded sensors and intelligent alerts; functions include calendar, multi-language switching and multi-level access control; embedded network port for data transmission and remote upgrades.
- Multi-instrument collaborative management: optional platform-based software enabling single computer control of one or multiple instrument hosts, centralized platform-based management of test data, real-time display of transmission rate/coefficients, temperature and humidity curves; professional test mode for advanced control; optional compliance with GMP and CFR21 Part 11 and optional DataShield system for centralized data management.
- Low-carbon and energy-saving design: variable frequency control technology, low-energy-consumption components, instrument can operate standalone without a computer; stable test results without a professional constant-temperature laboratory, reducing lab construction and operation costs.
Testing Principle- The pre-treated sample is clamped between test chambers. Oxygen or humidified gas flows on one side of the film and high-purity nitrogen flows on the other side. Oxygen or water vapor diffuses through the film into the high-purity nitrogen and is carried to the sensor. By analyzing the oxygen or water vapor concentration measured by the sensor, the transmission rate and related results are calculated.
Reference Standards- ASTM D3985, ASTM F1307, GB/T 19789, GB/T 31354, DIN 53380-3, JIS K7126-2-B, YBB 00082003-2015
- ASTM F1249, ISO 15106-2, GB/T 26253, JIS K7129, YBB 00092003-2015
Test ApplicationsBasic Applications
Films: Oxygen and water vapor transmission rate tests of various plastic films, plastic composite films, paper-plastic composite films, co-extruded films, metalized films, aluminum foil composite films, glass fiber aluminum foil paper composite films and other film materials.
Packaging: Oxygen and water vapor transmission rate tests of bottles, pouches, cans, boxes and barrels made of plastic, rubber, paper, paper-plastic composite, glass and metal, including pharmaceutical packaging, wine bottles, cola bottles, peanut oil barrels, Tetra Pak packaging, vacuum packaging pouches, three-piece cans, cosmetic packaging, toothpaste tubes, jelly cups and yogurt cups.
Sheets: Oxygen and water vapor transmission rate tests for sheet materials such as PP sheets, PVC sheets, PVDC sheets, metal foil sheets, rubber sheets and silicon wafers.
Extended Applications
Packaging Caps: permeability tests of caps of various packaging.
Solar Backsheet: permeability tests for solar back sheets and related materials.
Pipes: permeability tests for PPR pipes and other pipe materials.
Medical Blisters: overall permeability tests of medical blister packs.
Vehicle Fuel Tank: permeability tests of plastic fuel tanks.
Battery Housings: permeability tests for battery housings.
Caractéristiques / Spécifications techniques- Model: C403M
- Test cells: 3 sets (drawer-style, automatic sample clamping)
- Standard test area: 50 cm²
- Sample size: 4.2” x 4.2” (10.6 cm × 10.6 cm)
- Sample thickness: ≤ 120 mil (≤ 3 mm)
- Test range (standard area 50 cm²): OTR (cc/(m²·day)): 0.05–200; WVTR (g/(m²·day)): 0.05–40
- Optional MASK area (5 cm²) ranges: OTR 0.5–2000 (optional); WVTR 0.5–400 (optional)
- Resolution: 0.0001 cc/(m²·day) and 0.0001 g/(m²·day)
- Repeatability: OTR 0.02 or 1% (whichever greater); WVTR 0.02 or 2% (whichever greater)
- Temperature range: 15–50 °C; temperature fluctuation: ±0.2 °C
- Humidity range: 0%, 35–90% ±2% RH; NIST-standard humidity generation principle applied
- Gas specification: 99.999% nitrogen and 99.5% oxygen (gas source to be provided by user)
- Gas source pressure: ≥ 40.6 PSI / 280 kPa
- Compressed air inlet: Φ4 mm polyurethane pipe (pressure ≥ 79.7 PSI / 550 kPa) — air source provided by user
- Port size: 1/8” metal pipe
- Dimensions (H x W x D): 30.7” x 14.1” x 26.7” (78 cm × 36 cm × 68 cm)
- Power source: 120 VAC ±10% 60 Hz or 220 VAC ±10% 50 Hz (select one)
- Net weight: 176 lbs (80 kg)
- Standard configuration: instrument host, sampler, vacuum grease, Φ4 mm polyurethane tube
- Optional parts / extended functions: GP-02 Gas Purification Device (optional), DataShield™ (optional), GMP computer system requirements (optional), CFR 21 Part 11 (optional), software, computer, air compressor
- Performance notes: designed in accordance with ASTM D3985 (absolute value coulometric OTR), ASTM F1249 (infrared WVTR) and related standards; system claims high repeatability, low detection limits (ppb-level O2 sensor), non-consumable IR sensor and multiple automated protection and alarm functions