Specification :

Brand & Model : VC3165
8 digit LED display
3 step function selections
Channel B (CH. B) input has an attenuator (x1, x20)
AC/DC coupling for low-pass filter
All functions depend on a single CPU
Crystal-controlled temperature circuit

2 Input Channels :

Channel A (0.01Hz to 50 MHz)
Frequency range : DC couple 0.01Hz to 100 Hz, AC couple 100Hz to 50 MHz
Sensitivity :
"DC" 0.01 Hz - 1 Hz ≤ 500m Vp-p , 1 Hz - 100Hz ≤ 80m Vrms
"AC" 100 Hz - 50 M Hz ≤ 80m Vrms
Input impedance : 1 MΩ

Channel B (50 MHz to 2.4 GHz)
Frequency : 50 MHz - 2.4 GHz
Sensitivity : 50 MHz - 1.2 GHz ≤ 80m Vrms
1.2 GHz - 2.4 GHz > 80m Vrms
Coupling : AC only
Input Impedance : 50 Ω

Resolution depends on gate time control setting
Time base :
Short time stability : ± 3 x 10-9 per second
Long time stability : ± 2 x 10-8 per month
Temperature drift coefficient : ± 1 x 10-7, 10°C - 40°C
Line voltage variation : ± 1 x 10-7 for line voltage ± 10%

Gate Time : Continously variable from 100ms to 10s
Precision : standard time error (t) x frequency (f) ±1d
Power supply : AC 110V or 220V ±10%, (50Hz / 60Hz) ±5%
Switchable between AC 110V or 220V (suitable for any countries)
Power cord with AU plugs 3 pin flat
Preheat time : 20 minutes
Operating environment : 0°C - 50°C, 10 - 90% R.H.

Package includes :

1 x VC3165 Professional Frequency counter
1 x AU Power plug
1 x Test probe with BNC type connector
1 x English manual