Description
Highlights at a glance
- Multi-Standard Global Compliance for Flame Retardancy Testing Fully aligned with ISO 4589 series, GB/T 2406 series and GB 8624-2025 standards, meeting certification testing requirements for plastic, construction and cable materials fire performance classification.
- High-Accuracy Digital Oxygen Concentration Detection 0–100% full oxygen measuring range with ±0.1% precision, digital direct readout, supporting zero point and full-scale calibration; sensor response time less than 5 seconds for real-time concentration monitoring.
- Precision Dual Gas Circuit Control System Independent nitrogen and oxygen regulating knobs, Class 2.5 precision pressure gauges (0–0.4 MPa range) and flowmeter (0–15 L/min adjustable). Stable working pressure 0.05–0.15 MPa ensures uniform gas mixing inside the combustion column.
- Standard Specified Transparent Combustion Column Standard combustion tube with 75mm inner diameter and 480mm height, maintaining standard internal airflow velocity at 40±2 mm/s, eliminating data deviation caused by inconsistent airflow.
- Low Power & Stable Laboratory Operation Low power consumption of only 50W, works steadily under 23℃±2℃ ambient temperature and humidity ≤70%. Simple mechanical adjustment structure with low failure rate for long-term daily testing.
- Strong Compatibility with Diverse Test Materials Covers rigid plastics, flexible films, rubber, foam, insulation, cables, textiles and wood, ideal for incoming material inspection, finished product flame retardant testing and new material R&D evaluation.
1. Product Overview
2. Applicable International & National Standards
- ISO 4589.1-2017 Plastics – Determination of Burning Behaviour by Oxygen Index – Part 1: General Requirements
- ISO 4589.2-2017 Plastics – Determination of Burning Behaviour by Oxygen Index – Part 2: Ambient-temperature Test
- GB/T 2406.1-2008 Plastics – Determination of Burning Behaviour by Oxygen Index – Part 1: Guidance
- GB/T 2406.2-2009 Plastics – Determination of Burning Behaviour by Oxygen Index – Part 2: Ambient-temperature Test
- GB 8624-2025 Classification for Burning Behaviour of Building Materials and Products
3. Wide Application Scope
- Homogeneous solids, laminated materials, foams with density over 100 kg/m³
- Plastics, rubber, thermal insulation, fiberglass, wires & cables, waterproof rolls
- Textiles, fireproof fabrics, fiber cords, polyurethane foam, asphalt, plastic films, woodNote: Low-density foams (<100 kg/m³) require supplementary equipment as specified in GB/T 8332 for complete flame spread evaluation.
4. Complete Technical Specifications
Detection & Gas Control Parameters
- Oxygen concentration range: 0–100%
- Measurement accuracy: ±0.1%
- Display: Digital readout, support zero & full-scale calibration
- Sensor response time: <5 s
- Flow adjustment range: 0–15 L/min, Class 2.5 flowmeter precision
- Working pressure: 0.05–0.15 MPa
- Pressure gauge range: 0–0.4 MPa, Class 2.5 accuracy
- Combustion column: Inner diameter 75 mm, height 480 mm (excluding neck)
- Internal gas flow velocity: 40 ±2 mm/s
Power & Operating Environment
- Power supply: AC 220 V ±5%, 50 Hz
- Rated power: 50 W
- Ambient temperature: 23℃ ±2℃
- Relative humidity: ≤70%
Gas Supply Requirements
- Test gas: Oxygen & nitrogen, purity ≥98%
- Gas inlet pressure: 0.1–0.3 MPa
- Auxiliary accessories (gas cylinder, pressure reducer, dryer): Provided by customer
6. Working Principle
Mix oxygen and nitrogen in the gas mixing chamber by adjusting two independent flow valves to form a uniform mixed gas with stable concentration. The digital sensor real-timely detects and displays oxygen percentage.Mount the vertical standard sample inside the transparent combustion column, ignite the top of the specimen. Gradually adjust oxygen concentration until the sample can just sustain continuous combustion. The recorded oxygen value is the oxygen index, which reflects the material’s inherent flame retardant property.7. Typical Application Scenarios
- Plastic, rubber, foam and composite material manufacturing factories
- Wire, cable, waterproof and thermal insulation material production lines
- Third-party fire safety testing laboratories & certification bodies
- University material science, fire protection engineering laboratories
- Construction material quality supervision and inspection institutions
- R&D labs for new flame retardant raw materials
8. Standard Equipment Configuration
- JYZS-10 main control cabinet with digital concentration display panel
- Standard transparent acrylic combustion column
- Dual precision pressure gauges for N₂ and O₂
- Independent nitrogen & oxygen flow adjustment knobs
- Total flow rotameter
- Complete gas connecting pipelines
- Operation manual and calibration guide
Shenyang Baoruitong Automation Equipment Co., Ltd. was founded in 2012 and is located in Shenyang, Northeast China's traditional equipment manufacturing base. With a registered capital of RMB 5 million, the company specializes in the R&D, manufacturing, sales, and service of testing equipment. Our products are widely used in construction engineering, fire protection, HVAC, energy-saving,environmental protection, and water-saving fields. We have developed over ten product series with more than one hundred models, including building testing, HVAC testing, fire testing,coating testing, curtain wall and glass testing, and PVC pipe testing. With reliable and stable performance, our products remain highly competitive and are trusted by customers across various industries.
Are You a Manufacturer or a Trading Company?
Shenyang Baoruitong is a professional manufacturer of testing equipment, not a trading company. With more than ten years of experience in developing automated testing systems, we provide complete solutions covering product design, hardware development, software integration, manufacturing, installation, and after-sales service.
Our proprietary technologies achieve measurement precision of up to ±0.001 mm, while our modular engineering approach allows rapid customization to meet specific customer requirements. Certified under ISO 9001 and CE standards, our products are exported to more than 30 countries worldwide.
What Is Your Production Capacity?
Our company operates a standardized manufacturing facility covering 3,000 square meters, with an annual production capacity exceeding 500 units of testing equipment.
Supported by a dedicated R&D team of more than 20 engineers and specialists, we have successfully completed large-scale projects for the solar energy, building energy efficiency, and fire safety industries, ensuring reliable product quality and on-time delivery.
What Certifications Do Your Products Have and How Is Quality Ensured?
All product lines are manufactured under the ISO 9001 Quality Management System. Core testing equipment is CE certified and supported by independent third-party testing reports where applicable.
Our quality assurance process includes:
- 100% incoming raw material inspection
- Three-stage quality control during production
- Comprehensive performance testing before shipment
- 24-hour continuous operation testing to ensure stable performance
Is the Equipment Difficult to Operate? Is Training Required?
No. The equipment features an intuitive bilingual Chinese-English touch-screen interface with one-click testing procedures, making operation simple and user-friendly.
We provide free online and on-site training. Most users can operate the equipment independently within one to two days. Detailed user manuals, video tutorials, and remote technical assistance are also available whenever support is needed.
Are Operating Costs High? Is Maintenance Complicated?
Operating costs are low thanks to energy-efficient hardware that typically consumes around 30% less power than comparable industry equipment.
Daily maintenance is straightforward. The modular design allows quick replacement of components and consumables, while routine maintenance generally involves only basic cleaning and periodic consumable replacement.
We provide comprehensive maintenance documentation and lifetime technical support to ensure long-term equipment reliability and performance.
