Cone Calorimeter / Cone calorimetric test equipment，Automated Cone Calorimeter

Application

The Cone Calorimeter is widely used to evaluate fire performance of materials and products under controlled heat-flux exposure. It provides accurate characterization of heat release, smoke generation, ignition properties, toxic gas production, and combustion behavior.

Common applications include building materials, foams, plastics, composites, textiles, cable insulation, transportation materials (railway, maritime, automotive interiors), aerospace composites, polymer research, and fire-retardant development.

Its measurement data is essential for predicting fire hazards, conducting flame-retardant assessments, verifying regulatory compliance, and supporting fire-safety engineering analysis.

Standards

The system complies with major international fire-reaction standards, including:

ASTM E1354 – Heat and Visible Smoke Release Rates

ISO 5660-1 – Heat release, smoke production, and mass loss rate

ASTM E1474 – Flame spread evaluation

ASTM F1550 – Flame spread of plastics in furniture

ASTM E1740 – Large-panel cone calorimeter testing

ASTM D6113 – Fire performance of materials

IMO MSC 40(64) – Marine fire test procedures

BS 476-15 – Fire tests for building materials

NFPA 264 / NFPA 271 – Fire and smoke measurement standards

ULC-S135-04 – Canadian fire test standard

CSN EN 45545-2+A1 – Railway vehicle fire protection

CSN EN 13501-1+A1 – Classification of building products

Features

Ignition System

10 kV spark igniter with fire-off safety system; position automatically detected via mechanical linkage.

Fully automated ignition, timing, gas control, and flame-off functions.

Exhaust System

Stainless-steel design including hood, pipes, diffusion plate, orifice flow meter, and axial-flow fan.

Long-life stainless-steel smoke collection cover, sampling needle, and exhaust fan.

Gas Sampling System

Ring sampler with 12 evenly distributed pores opposite airflow direction.

Three-stage 0.5 μm precision filtration with particle filter, CO₂ filter, and water trap.

Refrigerated cold trap with 0–5 °C temperature control.

Dust filter installed 685 mm from smoke-collecting hood.

Measuring System

Paramagnetic O₂ analyzer (0–25%), Servomex sensor with linear response.

Laser system for smoke-density measurement.

High-precision load cell for dynamic mass-loss monitoring.

PID temperature control with three thermocouples for cone-heater measurement.

User Operating System

LabVIEW-based professional control platform; intuitive and user-friendly.

PID temperature controller integrated with programmable control module.

PLC-based acquisition and airflow regulation; automatic sample ID management and database recordkeeping.

Technical Parameters

Item	Parameter	Value
Power supply	–	208–230 V, 50/60 Hz, 50 A, single phase
Cone heater	–	5000 W Inconel heater, 0–120 kW/m²
Sample size	–	100 mm × 100 mm × ≤50 mm
Ignition	–	10 kV automatic spark igniter
Temperature control	–	PID, 3× K-type thermocouples
Exhaust system	–	Stainless-steel hood, duct, orifice meter, axial fan
Gas sampling	–	12-pore ring sampler, 0.5 µm triple filtration, 0–5 °C cold trap
Gas analyzers	–	O₂ paramagnetic (0–25%); CO₂ NDIR (0–10%); CO NDIR (0–1%)
Smoke measurement	–	He-Ne laser photometric system
Load measurement	–	Sartorius load cell, 0.01 g resolution
Data acquisition	–	16-bit A/D, 4 scans/sec
Control system	–	LabVIEW + PLC, touchscreen control
Data output	–	Excel reports, customizable formats
System configuration	–	19" rack modules; customizable full-system layout

Accessories

• 10 kV electronic igniter

• Stainless-steel exhaust hood and ducting

• Orifice plate flow-measurement module

• Laser smoke-density measurement system

• Paramagnetic oxygen analyzer

• CO and CO₂ NDIR analyzers

• Load-cell weighing module

• Cold trap (0–5 °C)

• Gas-sampling ring with 12 sampling ports

• LabVIEW control software and PLC system

• Sample holder and retainer frame

• Data-acquisition platform and reporting package

Test Procedures

Place the specimen in the sample holder and input test parameters via the touchscreen control system.

The system automatically performs ignition, heat-flux adjustment, and timing.

Real-time measurement of HRR, oxygen consumption, smoke density, mass loss, CO/CO₂ concentration, and temperature.

Data acquisition system stores all curves and numerical results in the integrated database.

Export test report through automated Excel reporting functions.

After testing, allow system purge and remove combusted residue.

Maintenance Information

Regularly inspect ignition electrode, spark generator, and flame-off mechanism.

Clean the exhaust hood and ducting to prevent soot buildup.

Calibrate oxygen, CO, and CO₂ analyzers periodically for accuracy.

Check load cell, thermocouples, and flow-measurement system for stability.

Inspect cold trap and refrigeration unit to ensure correct 0–5 °C operation.

Replace filters in the gas-sampling train as required.

Back up database files and update the LabVIEW system regularly.

Ensure all stainless-steel components remain clean and corrosion-free for long service life.

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