Fire Retardant Coating Tester, Large Plate Method Fire Tester, ASTM E119 & ISO 834
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Features
1. The degree of automation is high, and the temperature error is lower than the national standard
2. Reasonable structure design, convenient operation, and maintenance
3. Touch screen control, easy to test
Parameter
| Item | Description |
|---|---|
| Control System | PLC + NA view professional software, touch screen control, easy to operate |
| Voltage and Power | 220V±10%, 50HZ, 300W |
| Working Environment | Indoor without forced ventilation |
| Blower Air Volume | Adjustable from (1~5) m³/min |
| Armored Thermocouple | Outer diameter ≤ 3mm, wire diameter 0.5mm, accuracy not lower than Class II, range 1300ºC |
| Timer Accuracy | Error not more than 1s/h |
| Back Fireside Temperature Measurement | Five-way thermocouple measurement, automatic alarm when temperature reaches 220ºC |
| Ambient Temperature Range | -5ºC~30ºC |
| Relative Humidity | ≤85% |
| Gas Source | Liquefied petroleum gas (Note: User provides gas source and connector) |
| Instrument Dimensions | Test plate bracket: 760 mm * 760 mm * 1500 mm; Control box: 800 mm * 500 mm * 500 mm |
| Specimen Size | 900mm * 900mm * 5mm ± 0.2mm first-class five-layer plywood |
| Time-Temperature Rise Curve Control | Automatically controls and records the time-temperature rise curve |
| Backfire Temperature Alarm | Automatic alarm when backfire temperature reaches 220ºC |
Test Procedures
Turn on the power and access the main control interface of the device's touchscreen.
Click "Start" to begin the test, and simultaneously open the flow meter counterclockwise, adjusting the gas flow rate to approximately 15 L/min.
The system automatically controls the test according to the standard temperature rise curve. After 5 minutes of testing, the gas flow rate increases to its maximum value.
Once the backfire temperature reaches the set temperature, the test automatically stops and a prompt screen appears.
Conclusion
The Fire Retardant Coating Tester (Large Plate Method) provides precise, automated evaluation of coating fire resistance. Its compliance with GB12441 standards ensures reliable and repeatable results for laboratory testing and quality control.
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