Frequency meters Ch3-81, Ch3-81/1
Designed to measure the frequency or single and averaged period of sinusoidal and pulse signals, as well as to measure the pulse duration and frequency ratio, with a guaranteed measurement error of up to 10-7za year.
Description:
Ch3-81 (inputs A, B, C) – range 0.1 Hz–2.5 GHz
Ch3-81/1 (inputs A, B) – range 0.1 Hz–200 MHz
Frequency measurement, frequency ratios
Measurement of the period, duration of 1 microsecond–10000 s
Signal level 30 mV–10 V (eff.), pulse up to 30 V
Thermostated quartz 5 MHz: ±10-7 (year) ±7.5X10-9(day)
Frequency temperature departure: ±2.5X10-8 (+5...+40 °C)
Number of averaged periods: 1-104
Timestamps 10-7-10-3 s
RS-232 interface
8-bit SD indicator
Dimensions, weight 80X220X300 mm, 3 kg
Power supply: ~ 220V, 20V
Produced in: Belarus, Minsk