Filter Media Efficiency and Resistance Measurement System G506

Whats/App: +86 156 1874 6768

Web: standard-groups.com

Standards

ASTM F2100:Standard Specification for Performance of Materials Used in Medical Face Masks

EN149:Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing, marking

NIOSH-42 CFR84:NIOSH Guide to the Selection and Use of Particulate Respirators(或 42 CFR Part 84 - Approval of Respiratory Protective Devices)

Feature

Complies to more standards than any other filter tester

Salt and oil testing in one unit

Highly consistent test results

New user-interface and data recording options

Customizable fully automated testing sequences

Ergonomic design

Reduced cost of ownership with new serviceable photometers

Worldwide service and support

Parameters

Items	Parameter
Apllication	Load and quality control
Max Efficiency	99.999%
Aerosol Type	DOP/PAO/DEHS/Paraffi/Others Oil Aerosol、Salt
Aerosol Generation	Atomizing
CMD	0.2μm（Oil）or 0.75um(NaCl)
GSD	＜1.6（Oil）or <1.86(NaCl)
Flow Rate	15-100L/min
Resistance	0-150mm H2O(0-1470Pa)
Particle Detect	Scatter Photometer
Measurement Time	10 Sec.
Data Report	LCD，RS-232
Operation	Independent tewster、automatic production line
Standard compliant	US 42 CFR part 84.EN 143.JMOL，ISO 23328-1 ISO 16900-3
Power Supply	115VAC、60Hz，10A或230VAC，50Hz，5A
Compressor Air	80psig，7scfm（550kPa，198std.L/min）
Dimension	70cm x 70cm x 147cm（28in, x 28in.x 58in.）

Accessoriess

Main Unit: As the core component of the testing instrument, it is responsible for overall control and data processing.

Aerosol Generator: Includes salt particulate aerosol generators and oil particulate aerosol generators, used to generate the aerosol particles required for the test.

Classifier: Utilizes the principle of inertia to collect unwanted large particles into a collection bottle, ensuring that the aerosol particles entering the testing system meet the requirements.

Particle Counter: Usually equipped with two units, used to measure the number or mass concentration of aerosols upstream and downstream of the filter media, and is a key device for calculating filtration efficiency. Some systems may use a laser scattering photometer instead of a particle counter.

Static Neutralization Device: Neutralizes the static electricity carried by the aerosols, reducing particle loss and the influence of static electricity on the test results.

Differential Pressure Sensor: Monitors the pressure drop across the filter media, assessing changes in resistance during the filtration process.

Flow Meter: Monitors the flow rate during the test, ensuring consistency of test conditions. Flow meters are typically 2.5 grade accurate, ranging from 10-100 L/min.

Vacuum pump: Provides the necessary negative pressure environment to ensure aerosol particles can smoothly enter the testing system.

Pneumatic clamps and protective devices: Employ pneumatic clamping, offering convenient operation and high safety, while also featuring protective devices to ensure safe use.

Programmable logic controller (PLC) and touchscreen: Enables automated control of the testing process, including control, monitoring, calculation, and data display functions. Some devices utilize a PLC control system and are equipped with a 7-inch color touchscreen.

Instruction manual and power cord: Provides an operation guide and power connection instructions to ensure users can correctly operate the equipment.

Test Procedures

Operating Procedures:

First: Prepare the accessories and test sample;

Turn on the instrument and enter the LCD screen operating interface;

Perform a no-load test first;

Press the dual-control pneumatic keys on both sides to lower the clamp;

Set the airflow rate and aerosol particle parameters;

After the data stabilizes, proceed to the next step;

Obtain the amount of aerosol upstream of the filter media;

Once the data stabilizes, a "Place Clamp" dialog box will pop up on the screen;

Place the prepared sample into the instrument clamp and clamp it securely;

Start the test;

Wait a few seconds to obtain the amount of aerosol downstream of the filter media and calculate the filtration efficiency;

The instrument will automatically print out the test report;

Remove the sample;

After the test, turn off the instrument and evaluate the filtration performance of the material based on the test data results.

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