CM87A: AC current:0-600A, auto range,3999 counts
CM87B: AC current:0-600A, auto range,5999 counts,
can use with K type temperature probe
CM87C: DC and AC current:0-600A, auto range,5999 counts,can use with K type temperature probe,Inrush current:0-600A
CM87Pro (top version): DC and AC current:0-1000A, auto range,5999 counts,can use with K type temperature probe,Inrush current:0-1000A
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