Cheap price N95 Bfe Test Machine - Mask Bacterial Filtration Efficiency (BFE) Tester – Junray

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Cheap price N95 Bfe Test Machine - Mask Bacterial Filtration Efficiency (BFE) Tester – Junray Detail:

price：US $48,000-90,000/ Piece

Introduction

Key specifications of Model ZR-1000 mask bacteria filtration efficiency tester (BFE) not only meet the requirements of B.1.1 in YY0469-2011 <technical requirements for medical surgical masks>, but also meet the requirements of ASTMF2100, ASTMF2101 and European EN14683 standards. What’s more, we made innovative improvements based on this, with double gas contrast sampling method at the same time, improve the precision of sampling. It is applicable to the performance test of the mask bacterial filtration efficiency by the metrological verification department, scientific research institutes, mask manufacturers and other relevant departments.

Features

The negative pressure test system ensures the safety of operators;

The negative pressure cabinet is equipped with peristaltic pump, A and B two-path six stage Anderson sampler;

The flow of peristaltic pump can be set;

The flow rate of microbial aerosol generator can be set.

Good nebulization performance;

Controlled by embedded high-speed industrial microcomputer;

10.4-inch industrial high brightness colored touch screen;

USB port, supporting data transfer of USB flash disk;

Built-in high brightness lights;

Built in leakage protection switch to protect the safety of operators;

The inner layer of the cabinet is made of stainless steel, and the outer layer is cold-rolled sheet sprayed by plastic;

Heat preservation and flame retardant is set between inner and outer layers;

The front openable glass door is convenient for the experimental operator to observe and operate;

Detachable bracket with adjustable height;

The caster can be used for supporting and moving.

Standards

EN14683-2019

ASTM F2100, STM F2101

YY 0469-2011

YY/T 0969-2013

GB/T 38880-2020

T/CNTAC 55—2020 T/CNITA 09104——2020

T/CTCA 7—2019

Specifications

Main parameters	Parameter range	Resolution	MPE (Maximum Permissible Error)
Sampling Flow Rate of A	28.3L/min	0.1L/min	±2.5%
Sampling Flow Rate of B	28.3L/min	0.1L/min	±2.5%
Nebulization flow rate	(8～10)L/min	0.1L/min	±5.0%
Peristaltic pump flow	(0.006～3.0) mL/min	0.001mL/min	±2.5%
Front pressure of A-path flowmeter	(-20～0)kPa	0.1kPa	±2.5%
Front pressure of B-path flowmeter	(-20～0)kPa	0.1kPa	±2.5%
Front pressure of nebulizer	(0～300)kPa	0.1kPa	±2.5%
Negative pressure in aerosol chamber	(-90～-120)Pa	1Pa	±2.0%
Operation temperature	(0～50)℃
Cabinet negative pressure	(-50～-200)Pa
Data storage capability	＞100000 groups
Characteristics of HEPS filter	Filtration efficiency for particles is above 0.3μm ≥ 99.99%
Mean mass diameter of aerosols	Average particle diameter is (3.0 ± 0.3) μm, geometric standard deviation ≤ 1.5
Captured particle size of Two-path 6-stage Anderson sampler	1st stage > 7 μm, 2nd stage (4.7-7) μm,3rd stage (3.3-4.7) μm, 4th stage(2.1-3.3) μm, 5th stage (1.1-2.1) μm, 6th stage (0.6-1.1) μm
Size of aerosol chamber	(length 600× diameter 85× thickness 3) mm
Total number of positive quality control sampler	(2200±500) CFU
Ventilation flow rate of negative pressure cabinet	≥5m³/min
Dimensions of negative pressure cabinet door	(length 1000× width 730) mm
Host size	(length 1180× width 650× height 1300) mm
Bracket size	(length 1180× width 650× height 600) mm, height adjustable within 100mm
Power supply	AC220V±10%，50Hz
Instrument noise	＜65dB(A)
Weight of whole machine	About 250 kg
Overall power consumption	＜1500W