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Universal frequency meter Ch3-97

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Universal frequency meter Ch3-97
The device successfully combines simplicity of design, modern design, convenience, clarity of control and obtaining information about the measured physical quantity.

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
Carrier frequency of a continuous radio pulse sequence (IM) signal (input C) Fn = (0.3-37.5) GHz, from 0.3 microseconds to 1ms, Fsl from 100 Hz to 1 MHz, from 2 to 103
Frequency ratio (inputs A, B) from 1 to 3x109
Pulse duration 5 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
Phase difference of two synchronous sinusoidal signals from minus 180° to 180°
The measurement error of the phase difference of two synchronous sinusoidal signals is ± 2.3 ° at a signal amplitude of 1 V
Setting range of trigger levels (inputs A, B) from - 2.0 to 2.0 V
The error of setting the trigger levels (inputs A, B) ± 0.01 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 a sinusoidal signal (input C) 0.1 - 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 24 months
Operating temperature range from minus 10 to 50 °C
AC power supply 220 V, 50 Hz
Power consumption, not more than 100 VA
Overall dimensions, mm 306x129.5x430.6
Weight, not more than 8.5 kg
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