Digital frequency counter TF900 Series

portable

Bench/portable universal counters with USB interface 3GHz or 6GHz • Frequency, period, pulse width, frequency ratio, duty cycle, and event counter modes • DC to 3000 or 6000MHz range, 0.001mHz resolution • High impedance measurement up to 125 MHz • AC or DC coupling, 1M/50Ohm selection, polarity invert • Switchable attenuator, threshold control • Noise filter for low frequency measurements • Selectable measurement time; display hold function • Large 10 digit display with full range of annunciators • Internal rechargeable batteries for portable use • USB interface provides full remote control and readback