Tester of Stress ratio B8-7
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Meter voltage ratio & nbsp; B8-7 & nbsp; is intended to measure the ratio of the AC voltages, gain low voltage AC n for a linear synchronous fazochuvstvntslnogo converting these voltages into a DC voltage, with the digital display output signal in relative units p>.
& nbsp; p>
& nbsp; p> & nbsp; p> Possible replacement: RYA2-94 p>
Main specifications & nbsp; B8-7: strong> p>
measurement range relations B8-7: & nbsp; 1 - 31600 & nbsp;
output voltage range of 0.2 - 10 000 mV & nbsp;
frequency input signals 0.13 - 20kHz
main measurement error relationship with respect to the point of 1,000:
& plusmn; [0,3 + 0, 5 (N X 1)]% (at least 1 mV Un); & nbsp;
& plusmn; [0,3 + 0,6 (N-X 1)]% (at least 1 mV UH ), where the voltage Un is the minimal one of the compared signals, N X- measured ratio greater than 1
basic error decadic divider, not more than: & plusmn; 1% (0,13-10 kHz) and 1.5 % (over 10 kHz)
unevenness frequency characteristic in a wide band mode of not more than & plusmn; 20% (relative to 1 kHz)
band amplification path in the transmission mode, a narrow band 500 Hz ( at the resonance frequency of 1 kHz & plusmn; 10%), 5000 Hz (at a resonant frequency of 10 kHz & plusmn; 10%)
input impedance in the measurement circuit 600 ohms & plusmn; 10%
Technical device characteristics do not change under the influence of external magnetic fields with frequency of 50 Hz and an intensity of 5 A / m (wide band mode voltage of 1 - 100 mV) 10 A / m (narrow band mode voltage 0.2-20 mV) to 50 A / m (all other cases) p>
Documentation for download of the device not available
