Keithley 775A Programmable Dual Channel Counter / Timer (Kei 775A)

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Keithley 775A Programmable Dual Channel Counter / Timer (Kei 775A)

Keithley 775A

120 MHz Dual Channel Counter / Timer - Keithley 775A



The Keithley 775A is a nine digit, microcomputer based, fully programmable, universal counter / timer. The Counter / Timer 775A measures Frequency A, Frequency B, Frequency C, Period, Period Averaged, Time Intervals A - B, Pulse Width (positive or negative) A with high resolution. The display consists of 9 digits with an additional digit for exponent. The built-in interface makes the instrument fully programmable over the IEEE-488 bus. The Keithley 775A contains a programmable trigger level that allows additional flexibility in measurements over the bus (e.g. measuring rise and fall time with trigger points other than 10% and 90%). Gate time is programmed in 46 steps from 100psec to 10sec or external from the front panel or over the bus.

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Keithley 775A Features

  • 0 to 120MHz, DC coupled
  • 30Hz to 120MHz, AC coupled.
  • Nine LED digits with decimal point and exponent
  • Programmable : IEEE-488 Interface
  • Programmable trigger level

Ask for Keithley 775A detailed specification.