TTi TF960 6GHz Universal Frequency Counter
 
Key Features
Frequency, period, pulse width, frequency ratio, duty cycle, and event counter modes
DC to 6000MHz range, 0.001mHz resolution
High impedance measurement up to 125 MHz
AC or DC coupling, 1MΩ/50Ω selection, and polarity invert
Switchable attenuator and 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