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Description
Main Function
Used to measure the gas exchange pressure difference between the two sides of a mask or textile material. This helps evaluate the breathing comfort, airflow resistance, and protective performance of masks.
Key Features
| Feature | Details |
|---|---|
| Testing Function | Gas exchange pressure difference measurement |
| Application | Masks and textile materials |
| Sensor Type | High-precision differential pressure sensor |
| Sensor Range | 0–500 Pa |
| Display | Digital display / pressure meter |
| Flow Control | Built-in flowmeter |
| Sample Holding | Sample gripping / clamping device |
| Operation | Simple start and stop button operation |
| Control System | Automatic control system |
| Shell Material | Metal painted shell |
| Design | Integrated structure, ergonomic and easy to operate |
| Brand Shown | LICHEN |
Six Main Functions
| Function | Details |
|---|---|
| Integrated Design | Compact integrated machine structure |
| Simple Operation | Easy operation for testing users |
| High Precision Sensor | Provides stable and accurate pressure readings |
| Automatic Control System | Helps improve testing consistency |
| Accurate Measurement Results | Ensures reliable and repeatable test results |
| Digital Display | Clear digital result display |
Product Structure / Parts
| Part | Description |
|---|---|
| Pressure Meter | Displays pressure difference result |
| Flowmeter | Controls / monitors airflow during testing |
| Start Button | Green start-up button |
| Stop Button | Red stop button |
| Sample Gripping Device | Holds mask or textile sample in position |
| Differential Pressure Sensor | Measures pressure difference, range 0–500 Pa |
| Metal Painted Shell | Durable outer body with clean laboratory appearance |
Application Scope
| Application | Details |
|---|---|
| Masks | Gas exchange pressure difference measurement |
| Textile Materials | Differential pressure testing of other textile materials |
| Quality Inspection | Suitable for product quality control and testing departments |
| Scientific Research | Can be used in research institutes and laboratories |
| Manufacturing | Suitable for mask and textile manufacturers |
Applicable Standards
| Standard | Description |
|---|---|
| YY0469-2011 | Medical surgical mask standard |
| YY0969-2013 | Disposable use mask standard |
Design Advantages
1. Mask Breathability Testing
The pressure difference between both sides of the mask determines the fluency and comfort of human breathing.
2. Accurate Sample Clamping
The sample gripping device keeps the specimen coaxial during clamping, helping improve accuracy and repeatability.
3. High-Precision Measurement
The differential pressure sensor range is 0–500 Pa, providing more accurate test results.
4. Durable Machine Body
The machine uses a painted metal shell, giving it a strong and professional laboratory structure.
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