Features Single-chip microcomputer controlled, designed with LSI 10MHz equal-accuracy measurement SMT assembled Portable structure 8 VFD display Specification Fuctions frequency measurement, period measurement, time interval measurement, frequency ratio measurement, counting, self-diagnosis Frequency Measurement Range 0.1Hz~10MHz (basic mainframe) 0.1Hz~100MHz (Type 01) 0.1Hz~500MHz (Type 05) 0.1Hz~1000MHz (Type 10) Period Range 100ns~10s/1000s Time Interval Range 200ns~10s/1000s Dynamic Range 30mVrms~3Vrms (<10MHz) 50mVrms~1Vrms (≥10MHz) Coupling Mode Channel A, B: AC/DC Channel C: AC Input Impedance 1MΩ//45PF or 50Ω Trigger Level ±1.5V 30mV step adjustable Time Base 10MHz(100ns) Crystal Oscillator Stability better than ±1x10-8/day Size and Weight 320x280x94 (mm)3, 2.6kg E312B Channel C (optional) Type 01 Frequency Range: 10MHz-100MHz 50mVrms-1Vrms Type 02 Frequency Range: 10MHz-500MHz 50mVrms-1Vrms Type 10 Frequency Range: 10MHz-1000MHz 50mVrms-1Vrms