K-R5169灼(zhuo)熱絲試(shi)驗儀
在設備內部容易使(shi)火(huo)焰蔓延的橡膠塑料等絕(jue)緣材料或其(qi)他固(gu)體可燃材料的零(ling)件(jian)(jian)可能(neng)會(hui)由于灼(zhuo)(zhuo)熱(re)絲或灼(zhuo)(zhuo)熱(re)元(yuan)件(jian)(jian)而起燃。在一定條(tiao)件(jian)(jian)下,例如(ru)流過(guo)導線的故障電(dian)流、元(yuan)件(jian)(jian)過(guo)載以及(ji)不良接觸的情況下,某些元(yuan)件(jian)(jian)會(hui)達到某一溫(wen)度而使(shi)其(qi)附近的零(ling)件(jian)(jian)起燃。灼(zhuo)(zhuo)熱(re)絲試驗儀運用模擬技術評定由于灼(zhuo)(zhuo)熱(re)元(yuan)件(jian)(jian)或過(guo)載電(dian)阻之類熱(re)源,在短時間內所造成(cheng)熱(re)應力的著火(huo)危險(xian)性。
常(chang)用(yong)于(yu)橡膠塑(su)料(liao)(liao)、插(cha)頭插(cha)座插(cha)線板、照明設備、低(di)壓電(dian)(dian)(dian)器(qi)、家用(yong)電(dian)(dian)(dian)器(qi)、機(ji)床電(dian)(dian)(dian)器(qi)、電(dian)(dian)(dian)機(ji)、電(dian)(dian)(dian)動工(gong)(gong)具、電(dian)(dian)(dian)子儀器(qi)、電(dian)(dian)(dian)工(gong)(gong)儀表、信息(xi)技術設備的研究、生產和質檢部門。也適(shi)用(yong)于(yu)固(gu)體電(dian)(dian)(dian)氣絕緣(yuan)材料(liao)(liao)或其它固(gu)體可燃材料(liao)(liao),參考(kao)GB/T5169.10~13-2006、IEC60695-2-10~13:2000、GB/T2099.1-2008、VDE 0620、GB/T4706.1-2005、UL817試驗(yan)標準。試驗(yan)方法:用(yong)規范(fan)的電(dian)(dian)(dian)阻絲環加熱到規定的溫(wen)度,然后在試驗(yan)的條(tiao)件下使灼(zhuo)熱絲和試驗(yan)樣品接觸。
1、內箱容積:0.5M3/0.75M3 ,深(shen)x寬x高:60x 95x 90cm
2、尺寸:深x寬(kuan)x高:61x 120x 105cm
3、灼熱(re)絲:用(yong)鎳(nie)/鉻絲制成(cheng)直徑4.0mm的環(huan)
4、測溫裝置:0.5mm鎧裝細絲熱電偶,能耐1050℃的高溫
5、加熱電流:溫度為(wei)960℃時(shi)電流在120~150A之間
6、對(dui)試(shi)驗(yan)施加的力:0.8~1.2N,并(bing)限制壓(ya)入深(shen)度至少為7mm
7、計時(shi)(shi):起燃持續時(shi)(shi)間(Ti)和火焰熄滅時(shi)(shi)間(Te)的(de)計時(shi)(shi)器。
范圍:0~999.9S/M/H。
8、箱體材質:靜電烤(kao)漆和鏡面不(bu)銹鋼。
材(cai)質(zhi)可依客戶要求來定。