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face mask bacterial filtration efficiency tester mask bfe testing machine EN14683

Product Description

Product Description
Product Description
AT920 Mask Bacterial Filtration Efficiency (BFE) Tester is used to quickly and accurately detect the bacterial filtration efficiency (BFE) of various flat masks, 3D masks and protective materials. Bacterial filtration efficiency (BFE) experimental method requires development, is a high-performance intelligent bacterial filtration efficiency detector.
Standard
EN14683
ASTM F2100, ASTM F2101

Note: For more standards, please contact us



Specification
Model

AT920

Enterclose A
Sampling flow
28.3 L/min

Resolution
0.1L/min

Tolerance
±2.5%

Enterclose B
Sampling flow
28.3 L/min

Resolution
0.1L/min

Tolerance
±2.5%

Spray system
Flow rate
8~10L/min

Resolution
0.1L/min

Tolerance
±5.0%

Peristaltic pump
Flow rate
0.006 ~3 ml/min

Resolution
0.001 mL/min

Tolerance
±2.5%

Pressure in the forepart of flow-meter for
Enterclose A/B
Pressure range
-20 ~ 0kpa

Resolution
0.01kpa

Tolerance
±2.5%

Pressure in the forepart of flow-meter for
Spray system
Pressure range
0 ~ 300kpa

Resolution
0.1kpa

Tolerance
±2.5%

Aerial fog negative pressure
Pressure range
-90 ~ -120kpa

Resolution
0.1Pa

Tolerance
±2.0%
Operating temperature

0 ~ 50℃
Biosafety zone negative pressure

-90 ~ -120 Pa
Data storage capacity

20G
Data output and interface

USB (3 interfaces)
High efficiency air filter performance

≥99.995%@0.3μm, ≥99.9995%@0.12μm
Total number of positive quality control sampler particles

2200±500 cfu

Aerosol generator mass median diameter

Average particle diameter (3.0±0.3μm),
Geometric standard deviation≤1.5

Six-stage Anderson sampler captures particle size

Level 1(>7 μm); Level 2(4.7~7 μm); Level 3(3.3~4.7 μm); Level 4(2.1~3.3 μm);
Level 5(1.1~2.1 μm); Level 6(0.3~1.1 μm)
Aerosol chamber

Length 600 * Diameter 80 * Thickness 3.0 mm
Ventilation flow of negative pressure cabinet

>5m³/min
Working noise

<65db
Power supply

220V, 50Hz
Dimension

1250*700*2000 mm
Work area

870*600*1100 mm
Net weight

Around 250kg

Our Company
History
Since 1982 with more than 20 years’ experience
Warranty
Two Year Warranty for whole product
Training
Video and user manual for training
Onsite service
Installation and training service is available
Testing service
Free sample testing before order is available
Lead time
15 working days lead time for most product
Packing & Delivery
Packaging

Dimensions
1300*980*1510mm (LWH)
Weight
Approx. 200kg

Packaging Details
1. The equipment is covered with film is protect it from water vapour during the trip. 
2. The box is filled with foam to protect the equipment from impact. 
3. Exported wooden box made from plywood, don't need fumigated. 

Payment

Payment Term

T/T
EXW

30% T/T in advance, paid the balance before shipment


FOB



CFR(C&F)

30% T/T in advance, paid the balance against copy of B/L


CIF


L/C
L/C amount above 50,000 usd, we can accept L/C at sight


West Union

Amount lower than 5000usd


West Union


Delivery Time
7~10days after receiving payment for one container



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