【Scope of application】 The exhalation valve is installed on a suitable fixture, and then the inside of the clamp is pumped into a negative pressure state, and the time when the entire clamp device returns to normal pressure is monitored, so as to judge the airtightness of the exhalation valve. 【Relevant Standards】

Not at the moment

【Scope of application】: The exhalation valve is installed on a suitable fixture, and then the inside of the clamp is pumped into a negative pressure state, and the time when the entire clamp device returns to normal pressure is monitored, so as to judge the airtightness of the exhalation valve. 【Technical Parameters】: 1. Fixed volume cavity volume: 150±10mL 2. Micropressure metering range: 0~2000Pa, accuracy is 1Pa 3. Flow metering range: 0~1000mL/min 4. Flow meter accuracy: 3% 5. Electronic digital display flow 6. Timer accuracy: 0.1s 7. Pump speed: 2L/min 8. Real-time display of test pressure 9. Touch screen control