ISO 5660 GB/T 16172 ZXLR Cone Calorimeter | Building Material Heat Release Rate Fire Test Machine

3. Core Technical Specifications

3.1 Radiant Cone Heater

1. Imported high-temperature electric heating tube for stable long-term heating
2. Rated power: 5000 W; adjustable radiant heat flux: 0–100 kW/m²
3. Double-layer heat-resistant cone jacket filled with 13 mm thick, 100 kg/m³ heat-resistant fiber
4. Uniform radiant intensity: center deviation ≤ ±2%; customizable heat flux for different test protocols
5. 3 symmetrically mounted K-type thermocouples for temperature monitoring, non-weld contact with heating tube
6. PID+SSR closed-loop temperature control, temperature accuracy ±10℃, automatic flux compensation
7. 3.0 mm exposed hot junction K-type sheathed thermocouple for irradiance calibration

3.2 Automatic Radiation Shield

1. 6 mm thick non-water-cooled stainless steel construction, high temperature resistance
2. Fully computerized automatic insertion & retraction via program signals, no manual operation

3.3 High Precision Weighing System

1. Integrated double thermal insulation structure, keeps load cell at ambient temperature to extend service life
2. Weighing range: 0–1000 g
3. Weighing accuracy: 0.1 g
4. Fast response time: < 4 seconds
5. Stable signal output: drift ≤ 1 g within 30 minutes during calibration

4. Key Measurable Test Parameters

• Heat Release Rate (HRR) – core index for fire hazard grading
• Time to Ignition & ignition temperature
• Critical heat flux for sustained ignition
• Specimen mass loss rate & total mass loss
• Smoke production rate & total smoke output
• Effective heat of combustion
• Toxic gas release rate (CO, CO₂ and other combustion products)

5. Main Product Features

1. Full Global Standard Compatibility

    

   Supports GB, ISO, ASTM, BS, IMO and railway fire test standards, test data recognized for global product certification across construction, furniture, cable, marine and rail industries.

2. High-Uniformity Radiant Cone Heating System

    

   5kW imported heating tube with double-layer heat insulation, radiant intensity deviation ≤ ±2%, PID precise temperature control ensures consistent thermal radiation for repeatable test results.

3. Dual Independent Touch & Computer Control

    

   Integrated touch screen operation + PC software linkage; real-time data display, automatic curve plotting of HRR, smoke, mass and gas concentration, one-click test report export.

4. Thermally Isolated Precision Weighing Module

    

   Double thermal barrier design protects the weighing sensor from high-temperature radiation, delivering 0.1g ultra-precise mass loss tracking with stable long-run calibration.

5. Fully Automated Test Workflow

    

   Automatic radiation shield retraction/insertion, auto ignition monitoring, continuous gas & smoke sampling, automatic data storage and curve generation with minimal manual intervention.

6. Integrated Gas & Smoke Analysis Unit

    

   Built-in gas sampling pipeline with drying & filtering modules, real-time detection of carbon oxides and smoke density to evaluate secondary fire hazards from toxic fumes.

7. Stable & Durable Stainless Steel Structure

    

   High-temperature resistant stainless steel cone, shield and test chamber, anti-corrosion and easy to clean after combustion tests.

8. Large-Capacity Data Storage & Report Generation

    

   Automatically save complete test records, time-series curves and calculation results; customizable export of standardized test reports for laboratory archives and third-party certification.

6. Target Application & End Users

• Construction material manufacturers (wood, plastic, wall panels, insulation boards)
• Wire & cable, foam, textile and upholstered furniture factories
• Third-party fire safety testing & certification laboratories
• Marine, railway, automotive component R&D institutes
• University fire safety & material science research labs
• Government construction inspection institutions

7. Why Choose ZXLR Cone Calorimeter