GuanCe Foam Rise Analyzer PMQS-I
| Brand | GuanCe Instruments |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | PMQS-I |
| Price | USD 2,800 (approx.) |
Overview
The GuanCe Foam Rise Analyzer PMQS-I is a dedicated benchtop instrument engineered for quantitative, time-resolved characterization of foam expansion dynamics during polymeric or surfactant-based foaming processes. It operates on the principle of non-contact optical profiling—utilizing high-stability linear photoelectric sensors to track real-time vertical displacement of the foam front with millimeter-level resolution. Integrated thermal and optional pressure sensing modules enable concurrent monitoring of temperature evolution (0–500 °C) and internal gas pressure development during rise, supporting mechanistic interpretation of nucleation, growth, and coalescence stages. Designed for R&D laboratories and QC environments in polyurethane, food science, personal care, and fire-retardant foam development, the PMQS-I delivers traceable, repeatable rise metrics under controlled ambient conditions—without requiring operator intervention after system initialization.
Key Features
- Automated real-time acquisition of foam rise height vs. time profiles with configurable sampling intervals (100 ms–5 s)
- Computation of critical kinetic parameters: maximum rise height, peak rise velocity, average rise velocity, collapse onset time, and % collapse at user-defined time points
- Integrated temperature probe with ±0.5% accuracy across 0–500 °C range for correlating thermal profile with expansion behavior
- Height compensation algorithm corrects for initial material fill level variation, ensuring inter-test comparability
- Modular expandability: optional high-resolution digital camera module (1080p, time-lapse recording), pressure transducer (0–500 N full scale), and polarization unit for dielectric property tracking during foaming
- Compliant stepper-driven vertical stage with 0–800 mm travel range and position repeatability ≤±1 mm
- Standardized sample containment using 100 mm ID × 200 mm H disposable paper cups—compatible with ASTM D6137 and ISO 4611 reference geometries
Sample Compatibility & Compliance
The PMQS-I accommodates liquid precursors, reactive two-component systems (e.g., polyol-isocyanate blends), aqueous surfactant solutions, and viscous emulsions. Its open-cup configuration supports both free-rise and confined-rise testing per industry-standard protocols. All hardware components—including sensor housings, thermal probes, and mechanical guides—are constructed from corrosion-resistant anodized aluminum and stainless steel, meeting IP54 environmental protection requirements. Data acquisition firmware adheres to GLP-compliant timestamping and metadata embedding (operator ID, test ID, ambient T/RH, calibration date). While not certified to IEC 61000-6-3 or UL 61010-1 out-of-box, the system meets essential safety and EMC criteria for laboratory use in accordance with GB/T 18268.31–2017 (Chinese equivalent of IEC 61326-1).
Software & Data Management
The proprietary GuanCe FoamAnalysis v3.2 software (Windows 10/11 compatible) provides intuitive test setup, live curve visualization, automated parameter extraction, and report generation in PDF/CSV/XLSX formats. Each dataset includes embedded audit trail information: operator login, instrument serial number, sensor calibration status, and raw sensor voltage logs. Exported data files are structured for direct import into statistical analysis platforms (e.g., JMP, Python pandas). The software supports FDA 21 CFR Part 11–compliant user access control (role-based permissions), electronic signatures, and immutable data archiving when deployed on validated network servers. No cloud connectivity is enabled by default; all processing occurs locally unless explicitly configured by the user.
Applications
- Optimization of blowing agent concentration and catalyst dosage in flexible/rigid PU foam formulation
- Comparative evaluation of surfactant efficiency in food-grade foams (e.g., whipped toppings, meringues)
- Stability screening of firefighting AFFF (aqueous film-forming foam) concentrates under thermal stress
- Correlation of rheological onset (via optional pressure channel) with macroscopic rise kinetics
- Accelerated aging studies—monitoring changes in rise profile after storage or UV exposure
- Educational labs for polymer physics and colloid science courses requiring hands-on foam dynamics demonstration
FAQ
What sample volume is required for a standard test?
A minimum of 150 mL is recommended to ensure reliable sensor detection across the full 0–800 mm range while maintaining representative bubble structure.
Is the system compatible with corrosive or solvent-based formulations?
Yes—the cup holder and sensor mounting frame are chemically inert; however, direct contact between aggressive solvents (e.g., DMF, THF) and uncoated paper cups is not advised. Stainless-steel or PTFE-lined cups can be supplied as custom accessories.
Can rise data be synchronized with external instruments (e.g., rheometer, FTIR)?
Yes—TTL trigger output and RS-232/USB virtual COM port support hardware synchronization and timestamp-aligned multi-instrument data fusion.
What calibration standards are provided?
NIST-traceable height gauge (±0.1 mm), certified RTD thermometer (±0.25 °C), and documented sensor linearity report are included with each unit.
Is technical support available outside mainland China?
Yes—remote diagnostics, English-language documentation, and application engineering consultation are provided globally via GuanCe’s international partner network. On-site service is available in select regions under annual maintenance agreements.
