跳至主要内容

Operating Procedures of Glow Wire Testing

Glow wire tester will specify the material and shape of the electric wire with a large current heated to the test temperature, the specified pressure (1.0N) vertical hot test sample 30s, depending on the test and bedding is ignited or burning time to determine Electrical and electronic equipment, the risk of fire products; Determination of solid insulation materials and other solid combustible materials, ignition, ignition temperature, flammability and flammability index.

 Glow Wire testing Apparatus Operating procedures1, glow-wire test machine before the preparation of the operation2, be sure to read the use of instructions, and follow the instructions step, followed by operation;3, do not use non-original accessories, so as to avoid danger;4, glow wire test machine on the room to the oil ventilation equipment (or with a special ventilation hood in a small laboratory), in order to test the exhaust after the discharge.5, the two matching weights with copper wire (connected to the sample rack) by the left side of the two pulleys (through the corresponding hole) hanging under the bracket plate.6, according to the standard requirements of interest and clamping samples.7, close to the adjustment of the switchA. The nut that is fixed to the switch is loosened and moved left and right;B. Press the "left button" car automatically forward, when the sample contact with the hot wire, the hand close the switch, so that the car stopped before the fixed and close the switch.C. Press the "Heating" button to adjust the current adjustment knob. According to the requirements of the sample, adjust the appropriate current value, while the temperature is required to meet the test requirements of the required temperature.


 When the test piece touches the glowing wire head, the limit electromagnet is released and the 1N weight can only be moved forward by 7mm.When the experiment is finished, eject the heating button and then turn the current adjustment knob to the minimum.

 Read more on http://www.qinsun-lab.com/You can follow as below, Qinsun Instruments Co., LTD,   E-mail: info@qinsun-lab.com  



评论

  1. Unknown2018年1月30日 00:08

    The article is nice. Glow wire tester is important to the prevent the fire hazard from electrical parts.

    回复删除
  2. wade2018年9月3日 19:07

    The glow wire test for plastics is to determine the resistance to fire insulating parts. And the glow wire test simulates the situation of what the plastics material will happen when contact with an over-heated part. For more information, please click on https://www.testextextile.com/product/glow-wire-tester/

    回复删除

发表评论

此博客中的热门博文

How To Process The Elmendorf Tear Strength Test

The Elmendorf tear tester has been developed specially for the paper industry and is outstanding for simplicity of operation and high measurement accuracy. The exchangeable pendulum is equipped with a pneumatic sample clamp. The initiation and return of the pendulum, as well as sample cutting is completely automatic. The device is operated via an integrated touch screen, where the test method can be selected, specific settings can be adjusted, and, after the measurement, results and statistics can be  displayed.Each pendulum is supplied with the appropriate control weight so that, with the help of the service program, it can easily be checked for functionality and balance. The Elmendorf tear test Procedure:     Cotton fabric was taken.     Warp and weft direction of the fabric was identified.     Two strips were cut from the fabric in both directions having dimensions of 100 x 63.5 mm.     The sample was then fixed in the jaws of the ...
8 条评论
阅读全文

Correct Use Of Color Assessment Cabinet

Observation Angle: The following points are all the facilities required for the Color Assessment Cabinet , and the viewing Angle will directly affect the evaluation results. According to international standards, there are only two observable angles that can be used. They are: A, zero light source and 45 degrees observation (0 °, 45 °), the light from zero (vertical) incident Angle on the sample, sample watchers from 45 degrees. B, light source and 45 ° inclined channel 45 degrees of light source, zero observation (0 °, 45 °), the layout must use specific 45 degrees of inclined (45 ° Fixed Angle table) making from 45 degrees of light source on the samples, sample watchers from zero (vertical). The location of the 45 ° light samples: Regardless of any of the above observation methods, it is important to note that the test sample is placed in the middle of the light box as far as possible to reduce the influence of the external light source. In addition, the most important thing...
发表评论
阅读全文

The Scratch Tester Working Principle From Qinsun LAB

The scratch test machine is used to evaluate the shear, scratch, planing, scraping and engraving performance of the material. Its applications include rigid organic materials, plastics and glass, and so on. The test parameters, such as the speed of scratches, the length of scratches, the distance between scratches and the number of lines, are the test equipment with strong applicability and convenience. scratch tester Working principle: Coating has three aspects: the action of protection, decoration, and hide the defects of products, and the three main hardness has a lot to do with paint, paint film hardness is said film one of the important properties of mechanical strength, is an important indicator of measuring coating product quality, and measure the coating hardness is an important index of the scratch resistance of determination; Coating good product in the process of packaging, transport and use will draw by hard brush, not row brush the paint film is often leave scratc...
2 条评论
阅读全文