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LGD-3JCB type dual control+automatic layout non flammability test furnace product for building materials
Scope of application: This test furnace is developed in accordance with the technical indicators and requirements specified in the national standard G
Product details
Scope of application
This test furnace is developed based on the technical indicators and requirements specified in the national standard GB/T5464-2010, and is suitable for evaluating the combustion performance of building materials under laboratory conditions. Suitable for testing the combustion performance grading of Class A fire-resistant materials in GB8624 for building materials
Product functional features
GB/T5464-2010 GB/T8624 ISO1182 Fire reaction test for building products - Non combustible test
This test furnace is developed based on the technical indicators and requirements specified in the national standard GB/T5464-2010, and is suitable for evaluating the combustion performance of building materials under laboratory conditions. Suitable for testing the combustion performance grading of Class A fire-resistant materials in GB8624 for building materials
Product functional features
- Dual control mode: can be controlled on the touch screen or on the computer, and the operation mode can be easily switched; One device can be operated by multiple computers simultaneously, multiple computers can be online at the same time, and LAN sharing can be achieved;
- Equipped with automatic layout function, the sample can be automatically placed into the furnace after the temperature stabilizes. The sample basket will automatically rotate 90 degrees after being discharged from the furnace, and when changing the sample. The automatic layout process can be stopped at any time, and the sample basket can automatically return to its initial position;
- Using microcomputer technology and thyristor technology, the automation level of the furnace body temperature is high through power regulation. During the test, the temperature inside the furnace, at the center of the sample, and on the surface of the sample are displayed and recorded, and operation prompts will automatically pop up for the test steps
- Can query historical curves and automatically determine temperature balance
- The testing process is safe, reliable, and easy to operate
- Customized mold forming refractory furnace with good insulation performance
- By using high-quality strip heaters, the furnace temperature can be raised to 900 ℃
- PLC+NAbview professional software provides real-time display of furnace temperature, sample center temperature, and sample surface temperature curves, enabling automatic control, data acquisition and processing, data storage, and output of measurement results.
- The top is equipped with an observation mirror, which facilitates users to safely observe the combustion status of the samples inside the furnace.
- Furnace body specification: Φ 40cm, height 1.5m.
- 80/20 nickel chromium resistance strip specifications: thickness 0.2mm, width 3mm.
- Automatic sample adding device: 8cm in length, 8cm in width, and 83cm in height.
- The sample basket travels on a track with a width of 2cm and a length of 38cm.
- The extension range of the observation mirror is 0-30cm.
- Sample specification: Φ 45 × 50 (mm).
- The inner diameter of the heating furnace tube is 75mm ± 1mm, the outer diameter is Φ 90mm ± 1mm, the height is 150mm ± 1mm, and the power is about 2KW
- Thermocouple: Nickel chromium nickel silicon armored thermocouple, outer diameter of 1.5mm, wire diameter of 0.3mm, heating wire power: 2KW
- Temperature stabilization time inside the furnace: from room temperature to 750 ℃, the stability can be tested for about 1 hour
- Install thermocouples inside the furnace, at the center of the sample, and on the surface of the sample;
- 360 degree rotatable and adjustable thermocouple scanning device;
- Stainless steel inverted conical air stabilizer and cylindrical guide cover;
- The software automatically controls the heating rate and controls the furnace temperature in stages;
- Usage environment:- 5 ℃ -40 ℃.
- Power supply voltage: AC220V ± 10%, 50Hz, current ≤ 10A;
- Stabilization time: from room temperature rise to 750 ° C ≤ 1h;
- The heating source is an electric furnace preheated to 750 ± 5 degrees Celsius, with a maximum temperature of 900 degrees Celsius and an internal temperature of 750 ± 5 ° C. The temperature drift should not exceed 2 ° C within 10 minutes
- Temperature measurement accuracy: ≤ ± 0.5 ℃.
- Heating power: 800-1000W;
- Maximum power: 1.5KW;
- Power heating voltage: adjustable from 0 to 100 V;
- A central copper hammer device inside the furnace is required to calibrate the temperature inside the furnace. The connected curves need to have a furnace wall temperature calibration thermocouple within the standard required curve range. Scanning thermocouples are used to calibrate the furnace wall temperature at different angles in three equal parts. The software includes current regression judgment temperature equilibrium conditions
GB/T5464-2010 GB/T8624 ISO1182 Fire reaction test for building products - Non combustible test
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