Amprobe A400 400 A Clamp-On Transducer

  • For use with multimeters, oscilloscopes, power recorders or any instrument with AC milli-volt input (1 mV AC per Amp)
  • AC Current measurement from 0.1 A to 400 A
  • Measures 50 or 60 Hz current
  • Maximum jaw opening 1.18″, accommodates conductors 1.14″ in diameter


The Amprobe A400 400 A Clamp-On Transducer is designed to be used to expand a multimeters capability to read AC Trms Current from 0.1 A to 400 A AC RMS.


Accuracy: AC Current 0 to 350 A ± (1.6% of Rdg + 0.5A)
Accuracy: AC Current 350 to 440 A ± (3.2% of Rdg + 1A)


What’s Included

  • A400
  • VBAN shrouded to banana converter terminal lead
  • SV-12 carrying case


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