TPP Convective Heat Resistance Tester (Open Flame) EN 367
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | EN 367 |
| Pricing | Upon Request |
Overview
The TPP Convective Heat Resistance Tester (Open Flame) EN 367 is a precision-engineered thermal protective performance evaluation system designed in strict compliance with ISO 9151 and EN 367 standards. It quantifies the convective heat resistance of personal protective equipment (PPE), particularly flame-resistant fabrics used in firefighter turnout gear, industrial workwear, and high-risk occupational gloves. The instrument operates on the principle of controlled open-flame exposure: a calibrated gas burner delivers a stable, uniform incident heat flux of 80 kW/m² to the underside of a horizontally mounted specimen. A thermally insulated copper calorimeter—mounted in direct contact with the specimen’s upper surface—measures real-time heat transfer. The time required for the calorimeter to register a temperature rise of 24 ± 0.2 °C is recorded as the Thermal Protective Performance (TPP) value in seconds. This metric serves as a critical, standardized indicator of thermal barrier efficacy under convective fire exposure conditions.
Key Features
- High-stability propane or natural gas burner assembly, engineered to maintain precise 80 kW/m² convective heat flux across the test area per ISO 9151 Annex A and EN 367 Clause 6.2
- Calibrated copper disk calorimeter (12.7 mm diameter, 1.6 mm thickness) with integrated thermocouple and active thermal shielding to minimize lateral heat loss
- Pneumatically actuated specimen holder with adjustable clamping force and vertical alignment verification, ensuring repeatable sample positioning and zero gap between calorimeter and specimen
- Integrated thermal shielding structure around the test zone to suppress ambient convection and radiant interference during measurement
- Dual-stage gas flow control system with digital mass flow meters and pressure regulators for reproducible ignition and flame stabilization
- Real-time data acquisition at ≥10 Hz sampling rate, synchronized with calorimeter temperature, flame presence, and timing triggers
Sample Compatibility & Compliance
The EN 367 tester accommodates flat, flexible textile specimens measuring 150 mm × 150 mm, including multilayer laminates, coated fabrics, and composite thermal barriers. Specimens are conditioned per ISO 139 prior to testing. The system fully supports regulatory validation workflows aligned with EN 469 (firefighter PPE), EN 11612 (heat and flame protection), and NFPA 1971 (Standard on Structural Fire Fighting Protective Clothing). All hardware and software components meet CE marking requirements for laboratory instrumentation. Test reports generated include full traceability metadata—operator ID, calibration certificate numbers, environmental conditions (temperature/humidity), and raw calorimeter time-temperature curves—enabling GLP-compliant audit trails and FDA 21 CFR Part 11–ready electronic signatures when deployed with validated software modules.
Software & Data Management
The dedicated Windows-based evaluation software provides automated test sequencing, live calorimeter temperature visualization, and TPP calculation per EN 367 Clause 7. It applies linear interpolation between sampled points to determine the exact time-to-24°C rise with sub-second resolution. Raw data is exported in CSV and XML formats for integration into LIMS environments. Software features include user role management (admin/operator/auditor), configurable report templates compliant with ISO/IEC 17025 documentation requirements, and built-in calibration log tracking with expiry alerts. Audit trail functionality records all user actions—including parameter edits, result overrides, and report generation—with timestamps and operator credentials.
Applications
- Quantitative ranking of flame-resistant fabric systems for structural firefighting ensembles
- Development-stage screening of novel thermal barrier materials (e.g., aerogel composites, phase-change layers)
- Quality assurance testing of production batches against internal TPP specifications
- Comparative analysis of garment seam integrity under convective heat exposure
- Supporting technical documentation for CE marking submissions under EU PPE Regulation (EU) 2016/425
- Research into heat transfer mechanisms through multi-layer textile architectures
FAQ
What standards does the EN 367 tester directly support?
ISO 9151:2016 and EN 367:1992 are the primary normative references; secondary compliance includes EN 11612:2015 (Clause 4.2) and ASTM F2703 (for comparative methodology alignment).
Is the calorimeter calibrated traceably to national standards?
Yes—the copper calorimeter is supplied with a UKAS-accredited calibration certificate (NIST-traceable reference) valid for 12 months, with optional annual recalibration services.
Can the system be integrated into an existing laboratory network?
The instrument supports Ethernet TCP/IP communication and OPC UA protocol for secure data exchange with MES or LIMS platforms.
What safety interlocks are included?
Dual redundant flame supervision (UV sensor + thermocouple), automatic gas shutoff upon calorimeter over-temperature (>120 °C), emergency stop circuit meeting EN ISO 13850, and interlocked access door with position monitoring.
Does the software support 21 CFR Part 11 compliance?
Yes—when configured with digital signature modules, electronic audit logs, and role-based access controls, the system meets baseline requirements for regulated environments.
