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ZERMATT灼熱絲測(cè)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(cè)試儀

灼熱絲試驗(yàn)是IEC60695-2-10、UL746A等標(biāo)準(zhǔn)規(guī)定使用無火焰起燃源程序仿真試驗(yàn)項(xiàng)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(biāo)準(zhǔn)要求。

該試驗(yàn)方法明確了在規(guī)定的試驗(yàn)條件下，通過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(cè)試裝置內(nèi)，電阻絲(灼熱絲)被電加熱到可調(diào)節(jié)的指定溫度；通過電機(jī)驅(qū)動(dòng)的滑動(dòng)支架使試樣與電熱絲接觸；在規(guī)定時(shí)間結(jié)束時(shí)，試樣會(huì)自動(dòng)返回到起始位置；進(jìn)行觀察和測(cè)量，以評(píng)估試樣在暴露于高溫期間呈現(xiàn)的灼熱絲起燃溫度(GWFI)和灼熱絲可燃溫度(GWIT)。

技術(shù)參數(shù)：

灼熱絲：Φ4mm的鎳鉻絲(Ni80/Cr20), 形狀符合標(biāo)準(zhǔn)規(guī)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(diào)

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(yàn)速度：18±3mm/s

樣品壓力：0.95±0.1N

試驗(yàn)過程：試驗(yàn)程序自動(dòng)控制，電機(jī)釋放方式，施加在試樣上的壓力完全是砝碼壓力

試驗(yàn)結(jié)果：自動(dòng)計(jì)算并試驗(yàn)結(jié)果

安全：過流保護(hù)、超溫保護(hù)

配件：

1個(gè)無線控制盒

1個(gè)有線控制盒

1條熱電偶，直徑1.0毫米

1個(gè)電熱絲環(huán)，形狀符合標(biāo)準(zhǔn)規(guī)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(guī)定，重量為12-30g/平方米的絹紙。

配件：無線控制盒、有線控制盒

選配：Modbus、網(wǎng)卡：上傳數(shù)據(jù)并配置PC軟件