Particle Filtration Efficiency （PFE） Tester

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更新時間：2024-09-19

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Particle Filtration Efficiency (PFE) Tester

Application scenario:

It is used to test the filtering efficiency of daily protective masks and medical masks for particulate matter, and to determine the obstruction performance of ordinary fabrics and medical protective masks against the constant flow of airflow. Applicable to medical device inspection center, safety protection inspection center, labor protection inspection center, drug inspection center, disease prevention and control center, textile testing center, hospital, mask manufacturing enterprises and etc.

Qualified standards:

GB2626-2006 / GB2626-2019 (CE certificate is available for choose).

Technical parameters:

Item	Parameters
Model	JH-GK-1000【N】 JH-GK-1000【DEHS】
Filtration efficiency range	0-99.999%
Filtration efficiency detecting flow range	（10-100）L/min, accurancy level 2.5
Filtration efficiency sampling frequency	1-9,999 times/min (adjustable)
Filtration efficiency particle concentration	（0.001-200）mg/m3
Counting median diameter	Salt particles： 0.3um,0.5um,1.0um,2.5um,5um,10um ; Oil particles： 0.3um,0.5um,1.0um,2.5um,5um,10um ;
Geometric standard deviation of particle size distribution	Salt particles≤1.86; Oil particles≤1.60
Dynamic detection range	0.001-100 mg/m3，with accurancy 1%
External dimensions	W1300 x D700 x H1500mm
Differential pressure sensor range	0～500Pa
Power supply	AC 220V，50Hz

Main features:

1. The cold-generation aerosol generator generates continuous and stable aerosol particles, which is convenient for filling the solution.

2. Adopt high-precision PM2.5 sensor to measure aerosol concentration.

3. The anti-leakage design of the whole particle to protect the safety of the experimenters.

4. Two sets of aerosol generators: salt particulate aerosol generator and oily particulate aerosol generator.

5. Pneumatic fixture is equipped with protection device, which is safe and convenient to use.

6. Configure the temperature and humidity sensor to display the ambient temperature and humidity in real time (temperature and humidity requirements: 25℃ ± 5℃, 30% RH ±10% RH).

7. Equipped with glass rotor flowmeter, vacuum pump and laser dust particle counter.

8. Control system: touch screen control test control system.

9. Automatically test gas concentration, automatically calculate filtration efficiency, can save, output, query and print test data instantly.

Configurations:

1. salt particulate aerosol generator (Options:oily particulate aerosol generator)

2. Air dryer

3. Vacuum pump

4. Particle Counters x 2pcs

5. Melt blown test fixture

6. KN95 test fixture（Optional）

after-sale service:

Shanghai Jianhu instrument and Equipment Co., Ltd. makes the following commitments and strictly abides by the after-sales service plan, including service content, form, time, response time to solve quality or operation problems, time to solve problems, quality assurance measures, etc

1. From the date of sale, our company guarantees all kinds of environmental testing machines for 12 months. The actual warranty period shall be subject to the contract. The warranty period of some instruments can be free of charge for 36 months.

2. Customers can choose to extend the warranty service beyond the warranty period of equipment standard, and increase a certain amount of extended premium can make the instrument long enjoy 5 years of free warranty. Remove 100% of after-sales worries.

3. During the warranty period, in case of equipment quality problems, our company is responsible for free maintenance and replacement of parts, without any cost to the customer, except for the damage caused by human factors and force majeure.

4. The service phone immediately responded, and Jiangsu, Zhejiang and Shanghai regions returned the solution within two hours, and the solution within 12 hours. Other remote areas in the field will report the solution within two hours and reply the solution within 48 hours.

5. The after-sales customer service department shall regularly sample the telephone return visits of regular customers to understand the use of customers and the operation of the machine.

6. If customers need, they can make an appointment with the technical engineer of Jianhu to provide on-site services (including machine maintenance, technical explanation, on-site guidance, etc.) from time to time every six months.

7. Our company's technical consultant answers the customer's questions about technology and standards and provides technical guidance at any time, and explains and analyzes the test methods of the equipment.

9. After the warranty period, the whole machine will be guaranteed for life, and the equipment will be provided with paid service. The maintenance cost is low, and the maintenance will be free after maintenance.

10. In order to solve the after-sales problems of the products more conveniently and quickly, our company has offices and maintenance points in Beijing, Tianjin, Northeast China, Dongguan, Wuhan, Shanghai, Xi'an, Nanjing, etc