Scope of Application

【Operating Instructions】

Suitable for measuring gas exchange pressure difference, as well as for determining gas exchange pressure difference of other textile materials.

**YS-725 Gas Exchange Pressure Difference Tester**

**【Scope of Application】**  

Suitable for measuring gas exchange pressure difference, as well as for determining gas exchange pressure difference of other textile materials.

**【Applicable Standards】**  

YY 0469-2011, YY 0969-2013

**【Instrument Features】**  

1. Uses a suction-type air source as the power source, not restricted by the spatial limitations of the testing site.  

2. Equipped with a high-precision differential pressure sensor and a 7-inch color touch screen for real-time display of the pressure difference across the specimen.  

3. Specialized specimen fixture ensures secure clamping of the specimen and maintains air tightness.

**【Technical Parameters】**  

1. **Air Source:** Suction type  

2. **Air Flow Rate:** 8 L/min  

3. **Sealing Method:** O-ring seal  

4. **Specimen Air Permeable Diameter:** Φ25 mm  

5. **Differential Pressure Sensor Range:** 0–500 Pa  

6. **Display Method:** Digital display of pressure difference  

7. **Power Supply:** 220 V, 50 Hz