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JG458 mask air tightness tester |
【Scope of application】 It is used for the air tightness test of the full face mask of self-priming filter type anti-particulate respirator. Applicable to labor safety protection inspection centers, occupational safety inspection centers, disease prevention and control centers, respirator manufacturers, etc. 【Guideline】 GB 2626-2019 Respiratory protection equipment self-priming filter anti-particulate respirator 【technical parameter】 1. Pumping speed of vacuum pump: 2L/min (adjustable flow meter) 2. Differential pressure measurement range: 0~2000Pa; accuracy is 1Pa 3. Timer: 0~999s, arbitrarily set 4. Dimensions: 500×490×520mm 5. Weight: 20kg 6. Power source: AC220V 50Hz 650W |