FPT-30A Thermal Protective Performance (Radiant Heat) Tester
| Origin | Japan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | FPT-30A |
| Pricing | Available Upon Request |
Overview
The FPT-30A Thermal Protective Performance (Radiant Heat) Tester is a precision-engineered instrument designed to quantify the thermal protective capability of flame-resistant fabrics and composite materials used in personal protective equipment (PPE), particularly firefighter turnout gear and industrial heat-shielding garments. It operates on the principle of controlled radiant heat exposure, simulating short-duration, high-intensity thermal threats encountered in flash fire or radiant heat exposure scenarios. The system delivers a calibrated radiant heat flux of 80 kW/m² ±5%—traceable to ISO 6942 and EN 366 reference conditions—onto the specimen surface. A high-purity copper calorimeter (φ40 × 1.6 mm, 99.95% Cu) mounted beneath the test sample measures real-time heat transfer rate (in °C/s) as a function of exposure time. The resulting time–temperature curve enables calculation of Thermal Protective Performance (TPP) values, expressed in cal/cm², which correlate directly with predicted human skin burn injury thresholds under ASTM F1930 and ISO 13506–1 methodologies.
Key Features
- Automated test initiation: Single-button start sequence initiates burner ignition, heat flux stabilization, and synchronized data acquisition.
- Real-time graphical display: High-resolution LCD screen plots temperature rise vs. time during both gas flow calibration (0–10 s, 0–150 °C scale) and actual test execution (0–20 s, 0–25 °C scale).
- Dual-calorimeter configuration: Two identical copper calorimeters, mounting plates (149 × 149 × 6 mm, center aperture φ90 mm), and specimen holders enable rapid sequential testing without thermal soak delay.
- Precision thermal sensing: T-type thermocouples (copper-constantan, 0.25 mm wire diameter) integrated into the calorimeter assembly ensure traceable, low-inertia temperature measurement with 0.1 s temporal resolution.
- Regulated radiant source: Large-orifice (38 mm) LPG burner generates stable, spatially uniform radiant flux; manual flame shielding plate (ceramic-based refractory insulator) allows precise positioning relative to specimen plane.
- Integrated thermal printout: Compact thermal printer outputs timestamped records including initial temperature, time-to-12°C and time-to-24°C rise (±0.1 s resolution), and calibration verification flags.
Sample Compatibility & Compliance
The FPT-30A accommodates standard 100 mm × 100 mm fabric specimens—single-layer or multi-layer assemblies—as defined in ISO 6942:2002 Annex B and EN 366:1993 Clause 6. Specimen mounting ensures consistent 13 mm air gap between fabric and calorimeter surface per ISO 13506–1 requirements. All operational parameters—including radiant flux density tolerance (±5%), calorimeter mass (264 ± 13 g), and copper purity (≥99.95%)—are aligned with the metrological specifications mandated by ISO/IEC 17025-accredited laboratories. The system supports full auditability for GLP and GMP environments, with printed reports containing operator ID, date/time stamp, ambient conditions, and pass/fail indicators against EN 366 acceptance criteria.
Software & Data Management
While the FPT-30A operates via embedded microcontroller logic without external PC dependency, its real-time data stream (temperature vs. time at 10 Hz) is fully exportable via RS-232 interface for post-processing in validated third-party analysis software (e.g., MATLAB, Python-based TPP calculators). All printed outputs comply with FDA 21 CFR Part 11 electronic record integrity guidelines when paired with laboratory information management systems (LIMS) that enforce user authentication and audit trail logging. Calibration certificates—including thermocouple NIST-traceable calibration and burner flux mapping reports—are maintained per ISO/IEC 17025 clause 6.4.
Applications
- Quantitative TPP rating of structural firefighting turnout shell, moisture barrier, and thermal liner components.
- Comparative evaluation of novel flame-retardant finishes, nanocomposite coatings, and aerogel-integrated textiles.
- Quality control testing of PPE batches prior to EN 469 certification submission.
- Research into thermal degradation kinetics of aramid, polybenzimidazole (PBI), and modacrylic blends under radiant load.
- Validation of garment design modifications—e.g., seam tape placement, ventilation panel integration—against thermal penetration thresholds.
FAQ
What standards does the FPT-30A directly support?
EN 366:1993, ISO 6942:2002, and ISO 13506–1:2017 for radiant heat exposure testing of heat-resistant clothing.
Is the 80 kW/m² flux adjustable?
No—the system is factory-configured for fixed 80 kW/m² ±5% radiant flux; fine-tuning is achieved via LPG mass flow regulation verified against on-screen ±5% conformity band.
Can the instrument perform convective flame exposure tests?
No—this is a dedicated radiant heat tester. For convective exposure per ISO 9151, a separate apparatus (e.g., FPT-20B or equivalent) is required.
What is the minimum measurable time interval for temperature rise events?
0.1 seconds, enabled by high-speed analog-to-digital conversion and T-type thermocouple response characteristics.
Does the system include automated pass/fail判定 based on TPP thresholds?
No—TPP calculation (TPP = 1.0 × t12°C + 0.8 × t24°C) must be performed externally per ISO 13506–1; however, all raw time-stamped data are provided for unambiguous computation.
