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      ZERMATT灼熱絲測試儀 ZER-GWT
      型號:ZER-GWT
      品牌:美國ZERMATT
      產(chǎn)品說(shuō)明

      ZERMATT灼熱絲測試儀 ZER-GWT

       Glow Wire Tester 

             

       

      to test the resistance to fire of insulating parts and assesses the susceptibility of

      electrical insulating materials to ignition as a result of exposure to a glowing wire

      according to IEC 60695-2-10: Glowing/hot-wire based test methods - Glow-wire

      apparatus and common test Procedure ASTM D6194: Standard Test Method for

      Glow-Wire Ignition of Materials UL746A: Testing for the resistance to ignition of

      polymeric materials.IEC 60950-1, IEC 60335-1, IEC 60884-1, IEC 60238, IEC

      60695-2-11, IEC 60695-2-12, IEC 60745-1, IEC 60400, IEC 60730-1, IEC 60598-1, IEC

      61050, IEC 60320-1, IEC 61058-1, IEC 60742, IEC 60669-1.

                

       

      This test method determines the minimum temperature required to ignite a material

      by the effect of a glowing heat source, under the specified conditions of test. Inside

      the Glow Wire Test Apparatus, a resistance wire (glow-wire) is electrically heated to a specified temperature which is adjustable.The specimen is brought into contact with the glow-wire by a motor-driven sliding carriage. At the end of a prescribed

      time the specimen is automatically returned to the starting position.

      Observations and measurement are made to evaluate the Glow Wire Flammability

      Index (GWFI) and Glow Wire Ignition Temperature (GWIT) presented by the

      specimen during exposure to elevated temperatures.

      Technical Specification:

      •Heating element:Nickel/Chromium Glow-Wire (80:20), 4 mm dia, shaped as

      specified in standard

      •Temperature sensor: Sheathed Cr/Al thermocouple1.0 mm dia, located in tight fitting pocket hole in glow-wire

      •Temperature range: Ambient to 1100°C adjustable

      •Glow wire application time: 0-999.9s±0.1s

      •Ignite Time:0-999.9s±0.1s

      • Extinguish Time:0-999.9s±0.1s

      •Penetration depth:7mm±0.5mm

      •Test speed:18±3mm/s

      •Sample loading Test sample moves against glow-wire preloaded to 0.95 ± 0.1N

      •Sample carriage: Automatic, motorised movement of test specimen

      •Test data: Automatically calculate and display test results

      •Safety:Over current protection, over temperature protection

      Accessories: wireless control box,wired control box

      Optional:Modbus, network card: used for uploading data, and equipped with PC software.

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

       

      【譯成中文】

      灼熱絲測試儀

       

      灼熱絲試驗是IEC60695-2-10、UL746A等標準規定使用無(wú)火焰起燃源程序仿真試驗項目。

      同時(shí)也符合IEC60950-1,IEC60335-1,IEC60884-1,IEC60238,IEC60695-2-11,IEC 60695-2-12,IEC60745-1,IEC60400,IEC60730-1,IEC60598-1,IEC61050,IEC60320-1,IEC610 58-1,IEC60742,IEC604 69-1標準要求。

       

       

      該試驗方法明確了在規定的試驗條件下,通過(guò)大電流加熱的作用點(diǎn)燃材料所需的最低溫度,在灼熱絲測試裝置內,電阻絲(灼熱絲)被電加熱到可調節的指定溫度;通過(guò)電機驅動(dòng)的滑動(dòng)支架使試樣與電熱絲接觸;在規定時(shí)間結束時(shí),試樣會(huì )自動(dòng)返回到起始位置;進(jìn)行觀(guān)察和測量,以評估試樣在暴露于高溫期間呈現的灼熱絲起燃溫度(GWFI)和灼熱絲可燃溫度(GWIT)。

       

      技術(shù)參數:

      灼熱絲:Φ4mm的鎳鉻絲(Ni80/Cr20), 形狀符合標準規定;

      溫度傳感器:鎧裝Cr/Al熱電偶,直徑1.0mm;

      溫度范圍:常溫至1100°C可調

      灼熱時(shí)間:0-999.9s±0.1s

      起燃時(shí)間:0-999.9s±0.1s

      熄滅時(shí)間:0-99.9s±0.1s

      燙入深度:7mm±0.5mm

      試驗速度:18±3mm/s

      樣品壓力:0.95±0.1N

      試驗過(guò)程:試驗程序自動(dòng)控制,電機釋放方式,施加在試樣上的壓力完全是砝碼壓力

      試驗結果:自動(dòng)計算并試驗結果

      安全:過(guò)流保護、超溫保護

       

      配件:

      1個(gè)無(wú)線(xiàn)控制盒

      1個(gè)有線(xiàn)控制盒

      1條熱電偶,直徑1.0毫米

      1個(gè)電熱絲環(huán),形狀符合標準規定

      1片純度為99.99%的銀箔,厚度約為2*2mm 0.06mm

      1塊不銹鋼板

      1塊平整光滑的木板

      1張絹紙,符合ISO4046:1978第6.86條的規定,重量為12-30g/平方米的絹紙。

       

      配件:無(wú)線(xiàn)控制盒、有線(xiàn)控制盒

      選配:Modbus、網(wǎng)卡:上傳數據并配置PC軟件

       

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