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