... 4.8digits LED display MCH Frequency Counter,HC-F1000C/HC-F1000L Frequency Counter Features Range HC-F1000C:1Hz~1GHz,Max.up to ... ,totalize measurement self testHigh sensitioity:85dBV (25mVrms)Stability:±3x10-9/s8 digit LED displayGate Time:0.01s,0.1s,1sPower ... are subject to change without prior notice. MCH Frequency Counter, HC-F1000L digital frequency counter, from 10Hz-1000MHz continuously variable, ...