IEC 60335-2-24 K10 Steel Scratching Test Tool for Cooling System Components

Product Introduction

IEC60335-2-24 22.107.2 

All accessible surfaces of protected cooling system components, including accessible surfaces in intimate contact with protected cooling systems, are scratched using the tool whose tip is shown in Figure 102. 

The tool is applied using the following parameters: 

– force at right angles to the surface to be tested .................................................35 N ± 3 N; 

– force parallel to the surface to be tested ............................................not exceeding 250 N. 

The tool is drawn across the surface to be tested at a rate of approximately 1 mm/s. 

The surface to be tested is scratched at three different positions in a direction at right angles to the axis of the channel and at three different positions on the channel in a direction parallel to it. In the latter case, the length of the scratch shall be approximately 50 mm.

The scratches shall not cross each other. The appropriate part of the appliance shall withstand the test of 22.7, the test pressure being reduced by 50 %.

Reference

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