Test items: respirator and mask protective equipment The mask breathing resistance tester is used to measure the inhalation resistance and exhalation resistance of respirators and mask protective equipment under specified conditions. Applicable to the national labor protection equipment inspection agencies and mask manufacturers to carry out related tests and inspections on ordinary masks, dust masks, medical masks, and anti-smog masks. Standards Compliant: GB 19083-2010 Technical requirements for medical protective masks GB 2626-2006 Respiratory protection products Self-priming filter anti-particulate respirator GB/T 32610-2016 Technical Specification for Daily Protective Masks Instrument Characteristics: 1. High-definition LCD liquid crystal display. 2. Imported high-precision digital differential pressure gauge. 3. Imported high-precision digital flowmeter with high flow control accuracy. 4. The mask breathing resistance tester can be set with two modes of exhalation detection and inhalation detection. 5. The automatic switching device of the respirator pipeline solves the problem of extubation and misconnection of the pipeline when the tester detects it. Technical Parameter: 1. Flow meter range: 0～100L/min, accuracy is 3% 2. Digital differential pressure measurement range: 0～2000Pa, accuracy is 1Pa 3. Air pumping capacity: ≥100L/min. 4. Dimensions: 460×1080×670mm 5. Power source: AC220V 50HZ 650W 6. Weight: 55kg Note: Due to technological progress, the information will be changed without notice. The product is subject to the actual product in the later period.