S1-1 (Elektronnyj oscillograf) 1957
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Electronic oscilloscope "C1-1" since 1957 according to the new GOST released Rybinsk instrument-making plant. Electronic oscilloscope "C1-1" analogue "EO-7", which was produced since 1948. The oscilloscope of the type "C1-1" (EO-7) is intended for the study of periodic processes. It is used in factory and laboratory conditions. The sensitivity of the amplifier vertical deflection 0.25 cm / mV. Gain 1800. Frequency distortion ± 3 dB in the range from 2 Hz to 300 kHz. Input resistance 2 MΩ ± 20% in parallel with a capacity of up to 30 pF. Attenuator attenuation factor 1: 1; 1:10; 1: 100 in the range from 2 Hz to 250 kHz. The sensitivity of the horizontal deflection amplifier is 4.5 cm / in. Gain 35. The unevenness of the frequency response ± 3 dB in the range from 2 Hz to 250 kHz. Input resistance 6 MΩ ± 20% in parallel with a capacity of up to 30 pF. The input resistance of the external synchronization circuit is 0.1 MΩ ± 20% in parallel with a capacity of up to 40 pF. There are 8 continuous sweep ranges: this is -7; 7-30; 30-130; 130-500 Hz; 500 Hz-2 kHz; -7; 7-25; 25-50 kHz The nonlinearity of the sweep does not exceed 5%. There are 3 types of synchronization: internal (by the signal under study), external (by the external signal), from the power grid (supply voltage). It is possible to apply the test voltage directly to the vertical and horizontal plates of a CRT. The device is powered by an electrical AC mains voltage of 220 V, frequency 50 Hz. Power consumption 120 wa. Dimensions 565x233x440 mm. Weight 24 kg.
Documentation:
Information from collection of Valery Khartchenko