Product Name: Touch Screen Control Surgical Mask Air Permeability Tester, Mask Testing Machine Model NO.: GBN701 Power Source: AC220V Weight: 30kg Control: Computer Control Display: Digital Loading Method: Dynamic Load Load Way: Electronic Load Accuracy Grade: 0.5 Maxcapacity: 0 - 500PA Type: Material Testing Machine Mass Scope of Workpiece: <900kg Max Diameter of Workpiece: <500mm Gas Source: Compressed Air Sample Size: &Fcy;25mm Power Supply: 220V, 50Hz Display Mode: Touch Screen Trademark: GBPI Transport Package: by Wooden Specification: YY0469-2011, YY0969-2013 Origin: China HS Code: 9031809090 Product Description GBN701 Face Mask Air Flow Resistance and Differential Pressure TesterApplicationUsed for face mask air flow resistance and differential pressure testing to check breathability and can also be used to check differential pressure of textile materials gas exchanger.principleThe output of the air flow is set by a gas flow meter, the air flow passes through a certain area of the test sample, the current pressure is detected by a pressure sensor, and the pressure difference is calculated.StandardsYY0469-2011, YY0969-2013FeaturesEquipped with special sample grip, easy to use.Built-in HD touch screen.Built-in micro printer, easy to print test results.Equipped with high-precision differential pressure sensor, digitally display the pressure difference between the two sides of the sample;Equipped with high-precision gas flow control, real-time digital display of air flow to stably control air flow, manually setting available.Test time can be adjusted according to test requirementsSpecificationsItemTechnical ParametersGas SourceCompressed AirAir Flow Adjustable 1 - 10L/min, (Standard Air Flow 8L/min)Sample SizeФ25mmDifferential Pressure Sensor Range0~500PaDisplay ModeTouch ScreenPower Supply220V, 50HzGBPI is a professional manufacturer focused on developing and producing face mask and packaging material test instruments.Founded in 2002, the company has receivedIOS9001certification and recongnized as high-tech enterprise and software enterprise by national authority. We hold numerous technology patents and software certificates from the national authority, and gained awards for technological progress.Why Choose Us?1. Focus ontesting instruments for18 years2.Global leadingR&D technology and production scale3. Over50%of China's FDA uses our productsOur CustomersWe are the lab solution provider for the face mask manufacturer, food, pharmaceutical, packaging,printing industries, research institution and college with qualified instruments and service.The machines are running well in over 3000 laboratories to guarantee the highest quality and save cost for customers.Trade CapabilitiesEvery year we participate in about 10 exhibitions around the world, and we will participate in about 15 in 2020Our Factory & LabWith over 1000m2laboratory and developing center and experts and technical team come from chemical, electronic, mechanical and software field at home and abroad.Contact usLeader of Testing SolutionsFactory Add:No.1 Minghua 3 St. Jinxiu Rd., Economic Development Zone, Guangzhou, 510730 ChinaOffice Add:Room 305, Science building, Guangdong University of Technology, Higher mega education center, Panyu, Guanghzou, 510006 China