Chauvin-Arnoux-CA-8230-Mains-Analyser-Chauvin-Arnoux-P01-1606-32-The-Chauvin-Arnoux-CA-8230-mains-analyser-features-a-QVGA-320-x-240-colour-graphic-LCD-screen-to-display-readings-&-waveforms-This-analyser-is-able-to-capture-&-display-17-measures-of-mains-quality-including-true-RMS-voltage-&-current-frequency-flicker-power-factor-&-harmonic-phase-shift-It-can-analyse-total-harmonic-distortion-&-display-individual-waveforms-up-to-the-50th-harmonic-With-1-5 Mb-of-storage-for-rec