Boonton Electronics 72bd 1mhz Capacitance Meter 2-2000pf F.s., Digital Display

US $640

  • East Providence, Rhode Island, United States
  • Oct 31st
Standard Description Description Boonton Electronics 72BD 1MHz Capacitance Meter 2-2000pF F.S. The Boonton Model 72BD Capacitance Meter provides instant, direct-reading, three-terminal, and differential capacitance measurements from 0.001 to 2000 pF. This capacitance coverage is divided into four ranges, selected by panel pushbuttons, remotely, or autoranged. These are arranged in a 2, 20, 200, and 2000 pF full-scale sequence. The digital display provides 4 digit readout, decimal point,-, overrange, and pF indications. The solid state design and the low level crystal-controlled signal source contribute to the high stability and excellent reliability of the instrument. The measurement of semiconductors is facilitated by the 15 mV rms level of the 1 MHz test signal, and by the provision for applying up to 600 volts of de bias to the test specimen. Bias voltage, of either polarity, may be applied to either or both sides of the specimen. The Model 72BD employs an unusual range-switching system using switching diodes and miniature reed relays; the elimination of the switch contacts from the measurement circuits assures ~ maximum of reliability and stability. The phase~sensitive detection system permits the measlrement of even low-Q devices (down to Q = 1) without sensibly degrading the accuracy of the 1easurement. Includes two test adapters shown (72-5C and 72-4B) The item is in good condition, tested and working. Probably needs calibration. Test capacitors shown in the photos are not included in the sale. Operator Manual available here. Shipping Weight (lbs.): 11 Shipping Dimensions (in.): 18 x 13 x 10 Click Here for Terms and Conditions of Sale

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