XJP-10B speed digital display device, is in the size of a CMOS integrated circuit and the CMOS-LED combination device consisting of high-precision speed equipment, small size, light weight, clear display and so on. Available frequency measurement, measuring electrical frequency signal measurement weeks, and can output a standard discontinuity frequency signal, standard time code signals and 8,4,2,1; and is equipped with various types of sensors, methods or means of contact to reach Measuring the speed of rotating objects, plus the cumulative number of input signals.
Input signal frequency range: 1Hz ~ 100kHz (depending on speed range sensor may be)
Input signal amplitude (sine rms): 300 mV ~ 10V
Measuring time: 0.1s, 1s, 2s, 3s, 6s, 10s, 20s, 30s, 60s external
Measurement error: 1 × 10-4 × n (n-indicator display value)
Input signal frequency range: 1 Hz ~ 100kHz (depending on speed range sensor may be)
Input signal amplitude (sine rms): 300mV ~ 10V
Display: 6 red LED digital tube
Power: 50 ± 0.5 Hz, 220 ± 22 V Power consumption ≤ 6VA
Working conditions: ambient temperature 0 ~ 40 ℃; relative humidity ≤ 85%; non-corrosive gases
To allow continuous use of time: 8h
□ Principle
Frequency Measurement: Frequency is defined as unit time the number of signal changes in the frequency. The instrument measuring the frequency of the process is essentially the standard period of time, faithfully records the number of signal changes in frequency.
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