Sell frequencey counter

frequencey counter
FC 7150U/7015U
Frequency measuring range:0.1Hz~100MHz in A, B input 80MHz~1.5GHz in C input(7150U only)
Trigger level adjustment for input A
Separate and Common mode selectable for input A and B
Period and Total measurement for input A and B
Time interval and Ratio measurement for input A and B
Slope mode selectable for input A and B