Zhilitong Electromechanical Co.,Ltd

Product Testing Machine Manufacturer

Knowledge

Needle flame test for hand held motor operated electric tools

Based on IEC 60745 Annex F, the needle flame test chamber is used in accordence with IEC 60695-11-5.
In case where burning or glowing particles might fall form the specimen onto an external surface underneath the tool, the test is made with a pieces of white pine-wood board, approximately 10mm thick, and covered with a single layer of tissue paper, positioned at a distance of 200 mm ±5mm below the place where the test flame is applied to the specimen, If the tool as a whole is tested, it is placed in its normal position of use above the pine-wood board, which is covered with a single layer of tissue paper,
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Evaluation of test results: 
When a layer of tissue paper is used, there shall be no ignition of the tissue paper, or scorching of white pine-wood board; a slight discoloration of the white pine-wood board being neglected  10 pcs tissue paper and 1 pc pine-wood board are provided along with the needle flame test chamber ZLT-ZY2 manufactured by Zhilitong Electromechanical Co., Ltd.