Bfe Bacterial Filtration Efficiency Tester

Medical mask bacterial filtration efficiency (BFE) tester

It is composed of aerosol generation system, aerosol chamber and aerosol transmission device, negative pressure cabinet and 28.3l /min sampler.The whole tester is controlled by the console.The control console adopts microcomputer control system to coordinate and control the work of aerosol generation system, transmission system, negative pressure cabinet and sampling system, and display the working status in real time. The whole measurement work is completed automatically.

Mask Bacterial Filtration Efficiency Tester Features
 

Stainless steel chamber with insulation and fire retardant lining is stable and reliable.

Bfe Bacterial Filtration Efficiency Tester Application:
 

Mask Bacterial Filtration Efficiency Tester is applied to test the filtration efficiency of mask, can be used in metering calibration department, scientific research institution, mask manufacturer and other related departments.

Specification：

Key Specification	Specification Range	Resolution	Max. permissible errors
A Route Sampling Flow	28.3L/min	0.1L/min	Within ± 2.0%
B Route Sampling Flow	28.3L/min	0.1L/min	Within ±2.0%
Spray Flow	(8～10)L/min	0.1L/min	Within ±5.0%
Peristaltic Pump Flow	(0.006～3.0)mL/min	0.001ml/min	Within ±2.0%
Front Pressure of A Route Sampling Flowmeter	(-20～0)kPa	0.01kPa	Within ±2.0%
Front Pressure of B Route Sampling Flowmeter	(-20～0)kPa	0.01kPa	Within ±2.0%
Front Pressure of Spray  Flowmeter	(0～300)kPa	0.1kPa	Within ±2.0%
Negative Pressure of the Chamber	(-90～-120)Pa	0.1Pa	Within ±1.0%
Working Temperature	0-50℃
Negative Pressure of the Chamber	＞120Pa
Data Save Ability	＞500000 sets（Scalable capacity）