Universal frequency meter Ch3-92
The frequency meter is able to work both independently and as part of automated measuring systems with interfaces such as USB or RS-232.
Technical specifications
Frequency and period of sinusoidal signals (inputs A, B) 0.001 Hz - 300 MHz
Frequency and period of video pulse signals (inputs A, B) 0.001 Hz - 300 MHz
Frequency of continuous sinusoidal oscillations (input C) (0.3 – 37.5) GHz
Pulse duration 10 ns - 1000 s
The duration of the front, the decay of the pulses is 5 ns - 100 microseconds
Time interval from -1000 to 1000 s
Frequency measurement resolution 2x10-10 s/Rng
The range of setting the trigger levels (inputs A, B) from minus 2.5 to 2.5 V
The error of setting the trigger levels (inputs A, B) ± 0.05 V
Input signal level:
• for sinusoidal signal (inputs A, B) (0.03 - 10.0) V
• for video pulse signal (inputs A, B) (0.1 - 10.0) V
• for sinusoidal signal (input C) 50 MW - 5 MW
Input resistance
• Inputs A, B (50±2.5) ohms; (1±0.1) MOm/100 pF
• Input With (50±2.5) ohms
Nominal frequency value of the reference quartz oscillator 10 MHz
Relative error in the frequency of the quartz oscillator, no more than ± 2x10-7 in 12 months
Operating temperature range from minus 10 to 40 °C
AC power supply 220 V, 50 Hz
Power consumption, not more than 100 VA
Overall dimensions, mm
299x136x436,5
Weight, not more than 8.5 kg
Produced in: Moscow