Baoruitong Launches Building Materials Smoke Density Tester Compliant with GB/T 8627-2007
Baoruitong JYMD building materials smoke density tester meets GB/T 8627-2007, dual touchscreen & PC control with LAN sharing, auto MSD/SDR calculation, ±3% accuracy for construction material smoke performance testing.
[Shenyang, China] – August 13, 2026 – Baoruitong Automation Equipment Co., Ltd., a professional manufacturer of fire safety and construction material testing instruments, officially launches the JYMD Building Materials Smoke Density Tester. Developed strictly in accordance with GB/T 8627-2007 national standard for smoke density measurement of burning and decomposing building materials, this upgraded test apparatus replaces traditional single-chip controlled systems with dual control modes, automatic burner positioning and fully automated test workflows, delivering accurate, repeatable smoke performance data for construction materials, solid composites and fire retardant products.
Core Product Features & Advantages
1. Dual Control Modes with LAN Multi-User Sharing
The JYMD tester supports two seamless switchable operation modes: local 5-inch touch screen control and remote computer control. A standout LAN sharing function allows multiple computers to connect to one tester simultaneously, enabling real-time data viewing, collaborative test monitoring and centralized lab data management, greatly improving testing efficiency for high-volume certification labs.
2. Automatic Rotating Burner with Precise Positioning
Equipped with a 260mm standard Bunsen burner (0.13mm nozzle diameter) fixed at a 45° angle to the smoke chamber, the main and auxiliary burners adopt automatic rotating positioning structure to ensure consistent flame exposure per GB/T 8627-2007. The burner operating pressure is adjustable up to 276 kPa, delivering stable, standardized flame output for 4-minute standard test cycles.
3. High-Precision Photoelectric Smoke Detection System
The photoelectric measurement unit adopts a 12V standard bulb light source paired with a silicon photocell receiver, measuring light transmittance from 0% (full smoke blockage) to 100% (full light transmission) with ±3% high measurement accuracy. The system automatically calculates two core indicators: Maximum Smoke Density (MSD) and Smoke Density Rating (SDR), with all raw data stored locally for report export.
4. Fully Automated Test Workflow
The whole test process runs automatically: automatic timing, automatic ignition and automatic post-test smoke exhaust via a built-in high-power exhaust fan. This eliminates manual operation errors and reduces operator exposure to toxic smoke, ensuring lab occupational safety while improving test throughput.
5. High-Performance Embedded Control System
The 5-inch 800×480 resolution touch display adopts M3+FPGA dual-core hardware architecture with zero startup latency once powered on. It carries 1GB local storage, RS232 serial communication interface and low-power chips that auto-switch to energy-saving standby mode during idle periods, delivering faster response and longer service life than conventional single-chip controllers.
Key Technical Specifications
- Smoke density measurement range: 0–100% light transmittance, accuracy ±3%
- Standard test cycle: 4-minute Bunsen burner flame exposure
- Bunsen burner: 260mm length, 0.13mm nozzle, 45° installation angle
- Main burner working pressure: Adjustable up to 276 kPa
- Touch screen: 5-inch 800×480 resolution, 1GB storage, RS232 communication
- Overall dimension: 740 × 500 × 900 mm
- Power supply: 220V ±10%, 50Hz, rated power 100W
- Required test gas: Propane (purity ≥85%), gas pressure adjustable 0–0.3 MPa
- Built-in automatic timing, ignition and waste gas exhaust functions
Application Scenarios
- Construction material manufacturers: Wall panels, insulation boards, decorative materials smoke performance QC
- Fire retardant material R&D laboratories: Formula development and smoke performance verification
- Third-party fire safety certification and inspection institutions
- University material science & fire engineering research departments
- Building quality supervision and testing agencies
FAQ
Q1: What standard is the JYMD smoke density tester compliant with? A: The JYMD building materials smoke density tester is fully developed and calibrated in accordance with GB/T 8627-2007 Standard Test Method for Density of Smoke from the Burning or Decomposition of Plastics and Building Materials.
Q2: Can multiple operators control the tester at the same time? A: Yes. The instrument supports dual control of touch screen and computer, and features LAN sharing function. Multiple computers can connect to one tester simultaneously for collaborative testing and real-time data viewing.
Q3: What smoke density indicators can the equipment automatically calculate? A: The system automatically calculates Maximum Smoke Density (MSD) and Smoke Density Rating (SDR) based on real-time light transmittance data, with a measurement range of 0-100% and accuracy of ±3%.
Q4: What are the requirements for the operating environment? A: The tester works in ambient temperature 0–40℃, relative humidity ≤85%. It should be placed inside a fume hood, avoiding direct strong light or forced airflow during operation. After 90 minutes of continuous testing, shut off the gas source and cool the instrument for 15 minutes.