Aim-TTi TF930 3GHZ 高精度频率计 英国原装 Bench/portable universal counters with USB interface 3GHz Counter •Frequency, period, pulse width, frequency ratio, duty cycle, and event counter modes •DC to 3000 o

PFM3000 英国TTI 频率计3GHz 供应PFM3000 英国TTI 手持式频率计3HZ-3GHz 3 Hz to 3000 MHz in two overlapping ranges High input sensitivity over the full frequency range High impedance measurement up to 125 MH

供应原装英国TTI TF960 6GHZ频率计 Aim-TTi TF960 是 6GHz 台式/便携式通用计数器，带 USB。它使用高质量温度补偿内部频率参考 （TCXO），具有低老化率，且在整个温度范围内稳定性在 ±1ppm 内。

供应英国TTI TF930频率计频率计 英国TTI TF930频率计 Frequency, period, pulse width, frequency ratio duty cycle, and event counter modes DC to 3000MHz range, 0.001mHz resolution High impedance me