1. Overview DRK-07B Mask Flame Retardant Tester, developed according to GB2626 "Respiratory Protective Equipment", used to test the fire and flame retardant performance of masks and masks. Applicable standards: GB2626 "Respiratory Protective Equipment", GB19082 "Technical Requirements for Medical Disposable Protective Clothing", GB19083 "Technical Requirements Standards for Medical Protective Masks", GB32610 "Technical Specifications for Daily Protective Masks" YY0469 "Medical Surgical Masks", YYT0969 "Disposable Medical Masks", etc., EN149-2001: Respiratory Protective Devices-Filtering Half Masks for Protective Particles- Request, test, mark. 2. Technical Parameters  1. The mask head model is made of metal material, which simulates the facial features of a person in a ratio of 1:1 2. Programmable controller touch screen + PLC control, realize control/detection/calculation/data display/historical data query multi-function 3. Touch Screen: a. Size: 7 inches, the effective display size is 15.41cm long and 8.59cm wide; b. Resolution: 800*480 c. Communication interface RS232, 3.3V CMOS or TTL, serial port d. Storage capacity: 1G e. Use pure hardware FPGA to drive the display, "zero" startup time, and it can run after power-on f. Adopt M3+FPGA architecture, M3 is responsible for instruction analysis, FPGA focuses on TFT display to ensure speed and reliability 4. Burner Height can be adjusted 5. Automatic positioning timing 6. Display the continuous burning time 7. Equipped with flame sensor 8. Head mold movement speed (60±5) mm/s 9. Flame temperature probe diameter 1.5mm 10. Flame temperature adjustment range 750-950℃ 11. Accuracy of continuous burning time 0.1S 12. Power 220V 50HZ 13. Gas: propane or liquefied petroleum gas