YuYang YY514 95% 프로판 가스 연기 조밀도 시험 기구 자동적인 점화 Astm D2843

1, gas source: 95% propane gas, or the same purity of the gas (customer-owned);

2, burning lights: for the students light, length 260mm, nozzle diameter 0.13mm, 45 ° angle with the smoke box;

3, photoelectric system: light source for the lamp, power 15W, operating voltage 6V;

4, smoke density measurement range: 0 ~ 100%;

5, smoke density measurement accuracy: ± 3%;

6, the receiver: for the silicon photovoltaic cells, light transmission rate of 0% without light through, light transmission rate of 100% light without cover completely through;

7, after processing the focal length: 60 ~ 65mm;

8, the main burner working pressure: 276KPa (adjustable);

9, auxiliary burner pressure: 138KPa (adjustable).