針(zhen)焰(yan)試(shi)驗機(ji)廠家 IEC60695-2-2針(zhen)焰(yan)測(ce)試(shi)儀是用規定(ding)尺寸(Φ0.9mm )的(de)(de)針(zhen)狀(zhuang)燃(ran)燒(shao)器,通以(yi)特定(ding)燃(ran)氣(丁烷(wan)),以(yi) 45°角定(ding)時(shi)定(ding)向施燃(ran)試(shi)品,視試(shi)品是否引燃(ran)及持燃(ran)時(shi)間和(he)燃(ran)燒(shao)長度來評定(ding)設備內部(bu)因故障(zhang)條件造成(cheng)的(de)(de)小火焰(yan)的(de)(de)著火危(wei)險性。
針焰試驗機廠家適用于照(zhao)明(ming)、低壓電(dian)(dian)(dian)器(qi)、家用電(dian)(dian)(dian)器(qi)、機床(chuang)電(dian)(dian)(dian)器(qi)、電(dian)(dian)(dian)機、電(dian)(dian)(dian)動工(gong)(gong)具(ju)、電(dian)(dian)(dian)子儀器(qi)、電(dian)(dian)(dian)工(gong)(gong)儀表、電(dian)(dian)(dian)氣連接件、輔件等(deng)電(dian)(dian)(dian)工(gong)(gong)電(dian)(dian)(dian)子設備及其部(bu)件、組件的研究、生產和質檢(jian)部(bu)門以及絕緣(yuan)材(cai)料(liao)(liao)(liao)、工(gong)(gong)程塑料(liao)(liao)(liao)或(huo)其它固體(ti)可燃材(cai)料(liao)(liao)(liao)行業等(deng)進行小火焰起燃源程序仿真試驗。
針焰試驗機廠家 實驗原理:
針焰試驗儀是(shi)用規定(ding)(ding)尺寸(Φ0.9mm )的(de)針狀燃燒器,通(tong)以(yi)特定(ding)(ding)燃氣(qi)(丁烷),以(yi) 45°角定(ding)(ding)時定(ding)(ding)向施燃試品,視試品是(shi)否(fou)引(yin)燃及(ji)持燃時間和燃燒長度(du)來評定(ding)(ding)設(she)備(bei)內部因(yin)故障條件造成(cheng)的(de)小火焰的(de)著(zhu)火危險性。
技術參數:
1.針狀燃(ran)燒器(qi):不(bu)銹鋼,內孔(kong) Φ0.5±0.1mm,外徑(jing)≤Φ0.9mm,長≥35mm ;
2.燃燒(shao)器角度(du):垂(chui)直(調節和(he)測量火焰高度(du)時) 或傾斜(xie) 45°(試(shi)驗時) ;
3.燃燒氣體:95% 丁(ding)烷氣或丙(bing)烷氣;
4.引燃(ran)鋪(pu)墊層(ceng):白松木板(厚(hou)10mm),表面覆蓋 12~30g/m2標準絹紙一層(ceng),離火(huo)焰施加(jia)處下200mm±5mm;
5.溫度范圍(wei):0--1000℃;
6.火焰(yan)溫度要求:從100±2℃~700℃±3℃時,應在(zai)23.5±1.0s內完成;
7.火焰(yan)高度:12mm±1mm,高度測量裝置;
8.施(shi)燃時間(jian):0s~999.9s 可調(diao),一般設定為30s;
9.持燃時間(jian):0s~999.9s,自動(dong)記錄,手動(dong)暫停;
10. 試(shi)驗空間:≥0.5m 3,背景(jing)黑色,(可根據(ju)客戶要求定做0.75 m3立方或1 m3);
11. 溫度傳(chuan)感器(qi):K 型絕緣式鎧(kai)裝電偶(Φ0.5mm);
12. 試驗時程序自動控(kong)制,獨立抽(chou)風(feng)系(xi)統(tong);
13. 外(wai)形尺寸:L1120 * W520 * H1250mm,排氣Φ100mm;
14. 試驗(yan)電源:220V/AC,50Hz。