Floorings Thermal Radiation Panel Tester
The Flooring Radiant Panel Tester is designed to evaluate the fire performance of floor-covering materials exposed to a controlled radiant heat source. It determines the critical radiant flux, an important indicator of flame spread resistance under specified test conditions, and measures smoke development through an optical system.
The apparatus uses a porous ceramic radiant panel measuring 300 × 450 mm, inclined at 30°, to expose the specimen to a controlled thermal radiation environment. During testing, a pilot ignition source initiates combustion, while the specimen's burning behavior and smoke-related optical attenuation are monitored.
The instrument features a calibrated radiant heat measurement system, an optical transmission measurement system, and PLC-based automatic control. A 10.2-inch touchscreen, USB and RS232 interfaces, and computer-based reporting support convenient operation and data analysis.
It is suitable for evaluating carpets, cork, wood, rubber, plastic floor coverings, and other compatible flooring materials in fire-testing laboratories and building-material inspection facilities.
Application
(1) Textile carpets and carpet tiles.
(2) Cork and wood flooring materials.
(3) Rubber flooring and rubber-based coverings.
(4) Plastic flooring and polymer-based floor coverings.
(5) Coated flooring materials and other compatible floor-covering products.
(6) Fire performance evaluation of building flooring materials.
(7) Critical radiant flux determination and smoke development assessment.
Standards
ISO 9239-1:2025 — Reaction to fire tests for floorings — Part 1: Determination of the burning behaviour using a radiant heat source
GB/T 11785-2026 — Reaction to fire tests for floorings — Determination of the burning behaviour using a radiant heat source
Parameters
| Parameter | Specification |
|---|---|
| Radiant heat source | Porous ceramic radiant panel |
| Radiant panel dimensions | 300 × 450 mm |
| Radiant panel inclination | 30° |
| Radiant heat flux calibration | Radiation pyrometer with a specified blackbody temperature range of 480–530°C |
| Radiation pyrometer accuracy | ±0.5°C, as specified |
| Radiation pyrometer sensitivity wavelength range | 1–9 μm |
| Pyrometer distance from radiant panel | Approximately 1.4 m |
| Heat flux measurement positions | 110–910 mm, at 110 mm intervals |
| Igniter orifices | 19 orifices, each 0.7 mm in diameter, according to the supplied specifications |
| Reference substrate board | Uncoated calcium silicate board |
| Substrate board dimensions | 1,050 × 250 mm |
| Substrate board thickness | 20 ± 1 mm |
| Substrate board density | 850 ± 100 kg/m³ |
| Optical light source | Incandescent lamp, color temperature 2,900 ± 100 K |
| Optical detector | Silicon photodiode |
| Optical calibration | 0% and 100% transmission calibration using a shutter |
| Temperature sensor | Type K armored thermocouple, 3.2 mm diameter |
| Thermocouple position | 25 mm below the chamber roof and 100 mm behind the flue wall |
| Control system | PLC with integrated 10.2-inch touchscreen |
| Data interfaces | USB and RS232 |
| Alarm system | Audible alarm and fault indication |
| Power supply | AC 220 V ±10%, 50 Hz |
| Maximum power consumption | 5 kW |
| Dimensions (L × W × H) | Approximately 2.2 × 1.2 × 2.4 m |
| Weight | Approximately 350 kg |
Features
(1) Evaluates the critical radiant flux of flooring materials under controlled fire-test conditions.
(2) Uses a porous ceramic radiant panel inclined at 30°.
(3) Provides a radiant heat calibration system using a radiation pyrometer.
(4) Measures smoke-related optical attenuation using an incandescent light source and silicon photodiode.
(5) Automatically calculates light transmission and generates transmission curves.
(6) Supports 0% and 100% optical transmission calibration.
(7) Uses a propane flow-control system for controlled burner operation.
(8) Incorporates a Venturi mixing system for combining the test gas and air.
(9) Features a PLC control system with a 10.2-inch touchscreen.
(10) Provides USB and RS232 interfaces for computer connection and report output.
(11) Includes audible alarms and fault indication.
(12) Supports laboratory evaluation of flooring fire performance and smoke development.
Accessories
The supplied description identifies the following system components:
(1) Porous ceramic radiant panel.
(2) Radiation pyrometer.
(3) Type K armored thermocouple.
(4) Optical transmission measurement system with incandescent lamp and silicon photodiode.
(5) Optical calibration shutter.
(6) Ignition assembly and propane flow-control components.
(7) Blower and Venturi gas-mixing system.
(8) PLC control cabinet with integrated touchscreen.
(9) USB and RS232 communication interfaces.
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