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2305型气相色谱仪经长期使用后,常会出现点不着火的现象,主要原因是点火线圈对地接触不好,使3V交流电处于开路状态。为了解决这个问题,可以采用固定接地的办法,把接地部位固定在氢焰检测器的底座上。方法如下:首先将点火线圈接地端用银焊焊接一段20mm长的细铜线(φ≈0.5mm),再在氢焰检测器底座上距点火线圈接线柱10mm处(具体位置任选),打一小螺孔。将点火线圈接地端引线绕在
2305-type gas chromatograph after long-term use, often ignited the phenomenon of ignition, the main reason is the ignition coil to the ground is not good, so that 3V AC in an open circuit. In order to solve this problem, a fixed grounding method can be used to fix the grounding part to the base of the hydrogen flame detector. The method is as follows: First, the ignition coil ground with silver welding a section of 20mm long thin copper wire (φ ≈ 0.5mm), then hydrogen flame detector base from the ignition coil terminal 10mm (specific location optional) A small screw hole. Turn ignition coil ground lead around