DS DS/EN ISO 17657-5
DS DSEN SO 17657-5 2007-JUL-05 Resstance weldng - Weldng current measurement for resstance weldng - Part 5 Verfcaton of weldng current measurng system
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This Standard specifies a verification procedure for welding current meters and monitoring devices with its current sensing coil, which are applied for measurements of welding current in resistance welding with alternating current of 50 Hz or 60 Hz, or with dc.
This verification procedure is applicable for a current range between 0,5 kA and 25 kA.