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JG515 Portable Preprocessor
【Scope】 >
JG515 Simulated Wear Pretreatment Machine The simulated wear pretreatment machine is used to test the pretreatment of a simulated wear respirator before performing other tests such as breathing resistance and filter media penetration.
【Compliance with standards】
EN149-2001 8.3 etc.
【Operating principle】
The simulated wearable pretreatment machine consists of a breathing simulator, a mock test head, a saturated water vapor generating device, and a temperature sensor. the control device, flow meter and other components can control the breathing simulator to run at 25 breaths per minute, with a breath volume of 2L each time. The temperature of the saturated waterThe steam near the mouth of the head model can be adjusted to (37+2)°. Turn on the pre-treatment device, make the breathing device and the saturated water vapor generating device come into operation until they reach stability. Place the respirator on the appropriate test head in a sealed manner and test for approximately 20 minutes. Remove the filter material from the respirator, then replace it and repeat the test 10 times.
JG515 wearable preconditioner simulation 【Technical parameters】
1. Breathing simulator breathing rate: 25 times/min;
2 Breathing simulator tidal volume: 0.5–2.8 L/min;3. Flow measurement range: 5–45 l/min, accuracy 1 l/min;
4. the shape of the head is tilted, and the condensed water vapor flows into the collector;
5. Test head model: 1 piece
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