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Digital dc voltmeter united systems corporation
Offerred for sale is a vintage United Systems Corporation Digitec 201 DC Voltmeter. This unit was used at a local aerospace company. It has been checked with a Fluke 515A portable calibration unit and it performs to the specifications listed below.
United Systems Corp. was one of the first manufacturers of 'low-cost' digital volt meters. Operation is based on a closed control loop. The amplified input signal drives a servo motor together with the readout odometer and a precision potentiometer.
