shanghai kerang technology co ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 20 sets/month |
| Delivery Time | 30days |
| Packaging Details | plywood |
| material | Q235 |
| color | white |
| size | 1000mm*800mm |
| weight | 100kg |
| Brand Name | kerang |
| Model Number | BLD-XJ806 |
| Certification | certification |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 20 sets/month |
| Delivery Time | 30days | Packaging Details | plywood |
| material | Q235 | color | white |
| size | 1000mm*800mm | weight | 100kg |
| Brand Name | kerang | Model Number | BLD-XJ806 |
| Certification | certification | Place of Origin | CHINA |
| High Light | 100kg Medical Device Testing Equipment ，BFE Medical Device Testing Equipment ，Bacterial Filtration Efficiency Detector | ||
Bacterial filtration efficiency detector
1. Overview
Bacterial filtration efficiency (BFE) detector is a special instrument to detect the ability of filter particulate matter from tested samples (such as masks) under specified conditions.
This instrument mainly refers to Technical Requirements for Medical Surgical Mask in YY0469-2011, Appendix B < Bacterial Filtering Efficiency (BFE) Test Method B.1.1. Use the simultaneous sampling and comparison method to improve the accuracy of sampling.
This instrument is applicable to measurement verification department, third-party testing, textile industry and fiber raw material industry, etc.
2. Instrument Features
Main technical indicators of 3.
| Main parameters | Parameter range | Resolution | Maximum allowable error |
| Left-side sampling flow | 28.3L/min | 0.1L/min | Better than ± by 2.5% |
| Right-way sampling flow | 28.3L/min | 0.1L/min | Better than ± by 2.5% |
| Spray flow rate | (8~10) L/min | 0.1L/min | Better than ± by 5.0% |
| Crecretic pump flow | (0.01~3.0) mL/min | 0.001ml/min | Better than ± by 2.5% |
| Operating temperature | (5～30)℃ | ||
| Data storage capabilities | > 100000 Group | ||
| High-efficiency air filter characteristics | Filtering efficiency for particles above 9.3 μm ≥ 99.99% | ||
| Medium value diameter of aerosol generator | Average Particle Diameter (3.0 ± 0.3) μm, Geometry Standard difference ≤ 1.5 | ||
|
Dual Way Class 6 Anderson Sampler Capture particle size (in μm) |
Grade:> 7; Grade: 4.7~7 Level: 3.3~4.7 Level: 2.1~3.3 Level: 1.1~2.1 Level: 0.6~1.1 |
||
| Foroom specifications | (600 × 85 × 3) mm,(long × Diameter × thick) | ||
| Total number of positive QC sampler particles | (2200 ± 500) CFU | ||
| Ventilation flow of negative pressure cabinet | ≥ 5m3/ min | ||
| Negative pressure cabinet door size | (1000 × 730) mm,(long × wide) | ||
| Host size | (1400 × 750 × 2300) mm,(long × wide × H) | ||
| Working power supply | AC220V ± 10%, 50Hz | ||
| Instrument noise | <65dB (A) | ||
| Operating Machine Weight | About 350kg s | ||
| Complete power consumption | <1500W | ||
4. -related terms
Ø Bacterial filtration efficiency (BFE): The efficiency of the measured sample for bacterial particulate matter filtration is indicated in percent.
Ø Samples tested: masks, textiles and fiber raw materials are a physical barrier to prevent the direct passage of pathogen microorganisms, body fluids, particles, etc.
How the 5. works
After a certain concentration of bacterial aerosol occurs in the upstream of the tested sample, the bacterial aerosol enters two parallel airway sampling systems, where one way adds test samples at the upper end of the sampler, the other, as the positive quality control, and the ratio between the count positive QC value and the value of the sample to be the leakage rate, the filtration efficiency is obtained.
6. Reference Standards
GB19083 Standard.
Company Details
Business Type:
Manufacturer
Year Established:
2018
Employee Number:
50~80
Ecer Certification：
Active Member
Shanghai kerang technology co., ltd is located in Shanghai City, China, and was established in 2018.It is a company specializing in the field of automation technology: technology development, technology transfer, technical consultation and technical service; installation, design, commissioning and m... Shanghai kerang technology co., ltd is located in Shanghai City, China, and was established in 2018.It is a company specializing in the field of automation technology: technology development, technology transfer, technical consultation and technical service; installation, design, commissioning and m...
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