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The school laboratory oscilloscope H-3017 has been produced since the beginning of the 1990s. The oscilloscope is designed for use in laboratory studies in physics by students of secondary schools, secondary schools and in amateur radio practice. The device is made in a portable version, its working position is horizontal. Power supply from AC mains with voltage of 220 V or 42 V. Main characteristics of the oscilloscope: Dimensions of the working part of the screen 24x40 mm; scale division price 4 mm; beam width 0.8 mm; long-term beam drift 200 mV / h; input resistance 1 MΩ; input capacitance 40 pf; bandwidth 0 ... 100 kHz; permissible total value of constant and range of alternating voltages of input 100 V; range of values "‹"‹of the sweep ratio 0.01 x 10-3 ... 0.55 s / division; warm up time 15 min; continuous operation time 8 hours; service life of 6 years; dimensions of the oscilloscope 255x71x336 mm; weight 2.5 kg. Price 75 rubles.