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Racal-Dana 1991 Nanosecond Universal Counter With complete User and Service Manuals on CD In good working and cosmetic condition photos are a representative unit since we have a couple of these has some sticker residue, scuff and scratch marks as to be expected this unit was once rack-mounted, so it is missing the bottom feet The 1991 Universal Counter is a great general purpose Timer/Counter. It provides Frequency, Period, Time Interval, Ratio, Totalize, Phase, plus much more. This is identical to the Model 1992, except it does not have the C input. It covers the frequency range of DC to 160MHz. Channel A’s sensitivity is 25 mV rms to 100MHz and 50 mV rms to 160MHz. Channel B: Same sensitivity as Channel A except that the frequency range is 10Hz to 100MHz. Resolution to .01Hz, 9 digits plus Exponent Variable trigger levels and slopes selectable 50 ohm or 1M ohm inputs on A& B Channel C: 40 to 1300mHz (1992 only) GPIB Interface included (Option 55) Use the FREE Counters 1 million sellers do - Andale! |