NYX CCH Convective Cold Hand Test Platform
| Brand | NYX |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Imported |
| Model | CCH |
| Price Range | USD 115,000 – 175,000 |
Overview
The NYX CCH Convective Cold Hand Test Platform is a precision-engineered thermal resistance measurement system designed to evaluate the convective cold protection performance of insulated gloves in accordance with internationally recognized standards—including EN 511:2006 and GB/T 38304–2019. It operates on the principle of controlled heat loss quantification: a thermally regulated hand-and-forearm model is exposed to a calibrated convective airflow environment within a climate-controlled chamber, enabling direct determination of thermal insulation (Rct) under standardized cold exposure conditions. The platform measures the rate of heat transfer from the heated model surface to the surrounding air stream, yielding objective, repeatable Rct values expressed in m²·K/W—critical for classifying glove performance levels (e.g., Level 1–3 per EN 511). Unlike empirical or subjective assessments, this system delivers traceable, physics-based data suitable for regulatory submission, product development validation, and quality assurance auditing.
Key Features
- Bi-segmented anatomical hand-and-forearm thermal model with independent temperature control and real-time thermal flux monitoring for both zones—separated by an insulated wrist barrier to prevent thermal crosstalk.
- High-stability heating system maintaining model surface temperature within 30–35 °C range, with spatial uniformity ≤ ±1 °C across all sensor contact points.
- Integrated climate chamber engineered to meet EN 511-specified environmental tolerances: air temperature stability ±0.5 °C, relative humidity control ±3% RH, and laminar airflow velocity regulation within ±0.05 m/s of setpoint (typically 4 m/s).
- Dual-channel high-resolution thermocouple array (Type T, Class 1) embedded in epidermal-layer-equivalent silicone skin, providing continuous thermal gradient mapping at ≥16 discrete locations per segment.
- Rugged industrial-grade enclosure with ISO 14644-1 Class 7 cleanroom-compatible construction, EMI-shielded electronics, and redundant safety interlocks compliant with IEC 61000-6-2/6-4.
Sample Compatibility & Compliance
The CCH platform accommodates standard and custom glove sizes (EN 388 medium–extra large), including multi-layer composite, aerogel-integrated, and phase-change material (PCM)-enhanced designs. All test configurations maintain full alignment with EN 511 Annex A (convective cold test method) and GB/T 38304 Clause 6. It supports full audit trails required for GLP-compliant laboratories and integrates seamlessly with ISO/IEC 17025-accredited testing workflows. Environmental parameters are continuously logged and timestamped to satisfy traceability requirements under ISO/IEC 17025:2017 Clause 7.7 and EU Regulation (EU) No 2016/425 (PPE Regulation) Annex II conformity assessment documentation.
Software & Data Management
The proprietary CCH Control Suite v3.2 provides both automated and manual test execution modes, with preconfigured test templates for EN 511, GB/T 38304, and internal R&D protocols. All raw thermal, airflow, and environmental data are acquired at 10 Hz sampling rate and stored in HDF5 format with embedded metadata (test ID, operator, calibration certificate ID, environmental logs). The software implements FDA 21 CFR Part 11-compliant electronic signatures, role-based access control (RBAC), and immutable audit trail generation—including user actions, parameter modifications, and report exports. Export options include PDF test reports (with digital signature), CSV datasets, and XML files compatible with LIMS integration (ASTM E1578-19 compliant).
Applications
- Validation of cold-weather PPE for occupational use in construction, arctic logistics, cryogenic handling, and offshore energy sectors.
- Comparative thermal efficacy analysis during glove material formulation—e.g., evaluating aerogel vs. PrimaLoft® vs. Thinsulate™ insulation layers.
- Regulatory certification support for CE marking (EU PPE Regulation 2016/425), UKCA marking, and China CCC certification pathways.
- Long-term durability assessment via accelerated thermal cycling (up to 500 cycles) to quantify insulation degradation under repeated mechanical stress and moisture exposure.
- Academic research in human thermal physiology, particularly hand-specific convective heat transfer modeling and boundary layer interaction studies.
FAQ
Does the CCH platform comply with EN 511:2006 Annex A requirements for convective cold testing?
Yes—the entire thermal, airflow, and environmental control architecture is validated against EN 511:2006 Annex A specifications, including hand model geometry, surface emissivity (ε = 0.95 ± 0.02), and dynamic response time (< 30 s to reach steady-state thermal equilibrium).
Can the system be used for gloves intended for sub-zero ambient conditions?
While the climate chamber maintains standard test conditions per EN 511 (−10 °C to −25 °C), optional low-temperature chamber modules extend operational range to −40 °C for specialized Arctic-grade PPE validation.
Is third-party calibration certification included with delivery?
Each unit ships with NPL-traceable calibration certificates for all primary sensors (thermocouples, anemometer, RH probe), valid for 12 months; annual recalibration services are available under NYX’s ISO/IEC 17025-accredited calibration program.
How is data integrity ensured during extended testing sessions?
All measurements undergo real-time CRC-32 checksum validation; power-loss recovery preserves unsaved buffers, and database writes are transaction-locked to prevent partial record corruption.
Does the software support multi-language UI and reporting?
The CCH Control Suite offers English, German, French, Spanish, and Simplified Chinese language interfaces, with report localization (including unit formatting and regulatory clause references) configurable per user profile.
