Labthink C206H Advanced Isobaric Oxygen Permeability Analyzer for High-Barrier Films
| Brand | Labthink |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Model | C206H |
| Price Range | USD 14,000 – 98,000 |
| Test Principle | Isobaric Method with Coulometric Oxygen Sensor |
| Standards Compliance | ASTM D3985, ASTM F1307, GB/T 19789, GB/T 31354, DIN 53380-3, JIS K7126-2-B, YBB 00082003-2015 |
| Test Area | 50 cm² (standard), optional 5 cm² or 1 cm² MASK fixtures |
| OTR Range | 0.02–200 cc/(m²·day) [50 cm²], up to 400,000 cc/(m²·day) (custom) |
| Resolution | 0.0001 cc/(m²·day) |
| Repeatability | ±0.02 cc/(m²·day) or ±1%, whichever is greater |
| Temperature Range | 15–50 °C (standard), 5–60 °C (optional) |
| Temp Stability | ±0.15 °C |
| Humidity Range | 0% RH, 5–90% RH ±2% RH |
| Chamber Count | 6 independent test cells |
| Sample Size | 11.2 cm × 11.2 cm (4.4" × 4.4") |
| Max Thickness | 3 mm (120 mil) |
| Gas Supply | ≥280 kPa (40.6 PSI) N₂ (99.999%), O₂ (99.5%) |
| Power | 120 VAC ±10% 60 Hz / 220 VAC ±10% 50 Hz |
| Dimensions | 600 × 490 × 660 mm |
| Weight | 100 kg (220 lbs) |
| Control Interface | 12" Windows-based industrial touchscreen tablet |
| Data Security | Embedded industrial PC with CFR 21 Part 11-compliant audit trail option (optional) |
Overview
The Labthink C206H Advanced Isobaric Oxygen Permeability Analyzer is an engineered solution for precise, high-throughput oxygen transmission rate (OTR) measurement of flexible barrier materials. It operates on the isobaric (equal-pressure) principle in accordance with ASTM D3985 and ASTM F1307, utilizing a coulometric oxygen sensor to quantify trace-level oxygen permeation through films and sheets under controlled temperature and humidity conditions. Unlike differential-pressure methods, the isobaric configuration eliminates hydrostatic pressure gradients across the specimen, minimizing membrane stress and ensuring thermodynamic equilibrium during diffusion—critical for evaluating ultra-high-barrier substrates such as metallized polypropylene, SiOx-coated PET, AlOx-laminated foils, and multilayer coextrusions used in pharmaceutical blister packaging and sterile medical device pouches. The instrument delivers absolute OTR values without routine sensor calibration, enabled by Labthink’s proprietary ppb-level coulometric sensor with triple the operational lifespan of conventional electrochemical oxygen detectors.
Key Features
- Six independent test chambers, each equipped with a standardized 50 cm² test area—triple the throughput of conventional single- or dual-cell analyzers.
- Rainbow Bridge™ test chamber architecture with 360° circumferential gas recirculation and active thermal stabilization, achieving ±0.15 °C temperature uniformity across all six cells.
- Integrated high-accuracy relative humidity sensor within each chamber, enabling real-time monitoring and closed-loop RH control from 0% to 90% RH (±2% RH accuracy) at defined temperatures.
- Automated sample clamping system ensuring consistent compressive force and hermetic seal integrity—eliminating operator-induced variability in leak paths.
- Embedded industrial-grade Windows computing platform with 12-inch capacitive touchscreen interface; immune to consumer OS vulnerabilities and malware intrusion.
- Intelligent lid actuation with acoustic and visual feedback, synchronized with vacuum draw, gas purging, and sensor stabilization sequences.
- Optional CFR 21 Part 11-compliant software package with electronic signatures, audit trails, role-based access control, and encrypted data storage compliant with GMP/GLP requirements.
Sample Compatibility & Compliance
The C206H accommodates flat, non-porous specimens up to 3 mm thick—including monolayer plastics (e.g., PET, PP, PE, EVOH), coated films (SiOx, AlOx, PVDC), metallized laminates (Al-coated PET, aluminum foil composites), paperboard laminates, and rigid polymer sheets (PVC, PS, acrylic). Its modular fixture design supports alternate test areas (1 cm² and 5 cm² MASK configurations) for high-flux materials or micro-scale validation studies. All hardware and firmware comply with ISO/IEC 17025 foundational requirements for testing laboratories. The analyzer meets regulatory expectations for method validation per ICH Q2(R2), supports full traceability per ASTM E2500, and integrates seamlessly into quality management systems aligned with ISO 13485 and FDA 21 CFR Part 820.
Software & Data Management
Control and analysis are executed via Labthink’s proprietary OxyTest™ software, built on a deterministic real-time kernel. The interface supports both manual parameter override and fully automated test protocols—users define target T/RH conditions once, then initiate batch runs with zero intervention. Raw sensor voltage outputs, temperature/humidity logs, flow rates, and calculated OTR values are timestamped and stored in encrypted binary archives. Export options include CSV, PDF reports (with configurable headers, footers, and QA stamps), and XML for LIMS integration. Optional DataShield™ module provides immutable write-once-read-many (WORM) archiving, digital watermarking, and cryptographic hash verification for forensic data integrity assurance.
Applications
This analyzer serves as a primary qualification tool in R&D and QC labs across regulated industries: food packaging (MAP trays, coffee bags, snack pouches), pharmaceutical primary packaging (blister cavities, cold-form foil, sachets), biomedical devices (sterile barrier systems, implant pouches), photovoltaic encapsulants (EVA, POE films), and flexible electronics (OLED barrier stacks). It enables accelerated shelf-life modeling via Arrhenius-based OTR extrapolation, supports material substitution studies, validates coating uniformity, and verifies process-induced defects (e.g., pinholes, delamination, thermal degradation) through comparative kinetic profiling.
FAQ
What gas supplies are required for operation?
High-purity nitrogen (≥99.999%) and oxygen (≥99.5%) are mandatory. Compressed air may be used only when paired with the optional GP-01 gas purification unit.
Is humidity control mandatory for every test?
No—0% RH (dry nitrogen sweep) is a valid baseline condition. However, dynamic RH control is essential for simulating real-world storage environments and assessing hygroscopic barrier performance.
Can the C206H measure CO₂ or water vapor transmission?
No. This instrument is dedicated to oxygen permeation analysis. Labthink offers separate instruments—W3/031 for WVTR and C300H for CO₂TR—designed with gas-specific sensors and calibration protocols.
How is sensor drift mitigated over time?
The coulometric sensor exhibits inherent zero-drift immunity due to its absolute measurement principle; no periodic zero/span calibration is needed. Lifetime validation data confirms stable sensitivity for ≥36 months under continuous use.
Does the system support IQ/OQ/PQ documentation packages?
Yes. Factory-applied Installation Qualification (IQ) and Operational Qualification (OQ) protocols are provided. Performance Qualification (PQ) templates align with USP and ASTM F2622 for user-executed site-specific verification.
