1.5GHz Frequency CounterFeatures: Wide frequency measuring range: 0.1Hz100MHz in A,B input; 80MHz1.5GHz in C input Period measurement for input A Total measurement for input A RPM measurement for input A 9 Digit display with 0.01mHz resolution in 1sec Optional RS-232C serial interface High sensitivity external reference input function ( 20mVrms) Microprocessor controlled Reciprocal technique for high resolution at low counting frequencies Self check function executed to perform an automatic self diagnosis of various counter function Push - scanning for selecting function and gate time Low - pass filter(100kHz, -3dB)installed for removing noise signal in low frequency measuring AC/DC coupling function(Selectable X1/X10 Attenuator) Data-Hold function Input: 115/230VAC @ 50/60Hz Size: 8.85"W x 10.2"D x 3.15"H (225mm(W) x 260mm (D) x 80mm (H)) Weight: 4.4 lbs. (2kg) Includes: User's manual, power cord, BNC cable, fuse
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