ISO 17657-4:2005 Preview
Resistance welding -- Welding current measurement for resistance welding -- Part 4: Calibration system
This standard was last reviewed and confirmed in 2014. Therefore this version remains current.
ISO 17657-4:2005 specifies calibration systems and calibration procedures for welding current measuring systems, current sensors, welding current meters and monitoring devices with current sensor used for measuring welding current in resistance welding with alternating current of 50 Hz or 60 Hz, or with direct current.
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