XH XHF-111 BFE Tester of Testing Equipment like carbon pile battery tester used ndt equipment air flow test water pressure
Medical Face Masks Bacterial Filtration Efficiency (BFE) Tester is suitable for metrological verification departments, scientific research institutes, mask manufacturers and other relevant departments to measure the bacterial filtration efficiency (BFE) of medical face mask materials.
YY/T 0969-2013, YY 0469-2011, ASTM F 2100, ASTM F 2101, EN 14683, CNS 14775
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Item |
Parameter Range |
Resolution |
Max Permissible Errors |
|
Sampling flow rate of Path A |
28.3L/min |
0.1L/min |
±2.5% |
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Sampling flow rate of Path B |
28.3L/min |
0.1L/min |
±2.5% |
|
Nebulization flow rate |
(8~10)L/min |
0.1L/min |
±5.0% |
|
Peristaltic pump flow rate |
0.006~3mL/min |
0.001mL/min |
±2.5% |
|
Flow meter fore pressure of path A |
-20~0kPa |
0.01kPa |
±2.5% |
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Flow meter fore pressure of path B |
-20~0kPa |
0.01kPa |
±2.5% |
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Nebulization flow meter fore pressure |
0~300kPa |
0.1kPa |
±2.5% |
|
Negative pressure of aerosol chamber |
-90~-120Pa |
0.1Pa |
±2.0% |
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Negative pressure of cabinet body |
(-50~-200)Pa |
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Data Storage |
>100000 Groups |
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Feature of HEPA filter |
The filtration efficiency of particles above 0.3um is ≥99.99% |
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Mass mean diameter of aerosol generator |
Mean particle size (MPS) (3.0±0.3)μm, geometric std. deviation≤1.5 |
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Andersen |
I>7μm, II. 4.7-7μm, III. 3.3-4.7μm, IV. 2.1-3.3μm, V. 1.1-2.1μm VI. 0.6-1.1μm |
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Size of aerosol chamber |
600mm(Length)×85mm(Diameter)×3mm(Thickness) |
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Total particle number of positive control sampler |
2200±500cfu |
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Ventilation flow of negative pressure cabinet |
≥5m3/min |
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Negative pressure cabinet door size |
1000mm×730mm (L×W) |
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Dimension of main machine |
1180mm×650mm×1300mm (L×W×H) |
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Dimension of stand |
1180mm×650mm×600mm (L×W×H), height adjustable within 100mm |
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Power supply |
AC220V±10%,50Hz |
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Noise |
<65dB(A) |
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Weight |
Approx. 230kg |
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Power |
<1500W |
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General Packaging:Plywood case for export or according to customer's request
Delivery time: Usually our machines are delivered within 15 days upon order confirmed and deposit received. we will choose best speed and reasonable price. Air shipment and ocean shipment also support.
1. How About Machines Calibration?
Answer: All machines is calibrated well in house before it is out of factory, XH Instruments will provide you calibration report, if you need calibration certificate from third party, such as ISO 17025 certificate, we also can provide you with extra charge.
2. What about delivery way and delivery item?
Answer: Courier Express Delivery, Sea Delivery, Air Delivery.
EXW Works, FOB, C&F, CIF, ClP, CPT, FCA, DDU.
3. How can I pay you?
Answer:Bank TT, Western Union, L/C, Paypal.
4. How about you after service?
Answer: XH Instruments will give a feedback within 24 hours.Warranty Period is 12 Months.
For problem caused by product quality within warranty period,XH Instruments will provide product maintenance, technical support, freight out and home as well as spare parts free of charge.
Problem not caused by product quality within warranty period or maintenance beyond warranty period is only charged for replaced parts. However, freight charges home and out are at customer' side (only the replaced part is charged if transportation of instrument is unnecessary).
XH XHF-111 BFE Tester of Testing Equipment like carbon pile battery tester used ndt equipment air flow test water pressure
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