Multifunction Counter (Frequency, Period, Totalize) BK Precision 1856D

• The model 1856D provides versatility and reliability for a broad spectrum of laboratory and service applications.
• RS232 Interface
• Wide measuring range up to 3.5GHz nine digit LED display
• Period mode for accurate low frequency measurement
• Totalize mode permits counting of individual events
• Accurate TCO (Temperature Compensated Oscillator) time base

Features and Benefits

• ■ ±1PPM Time base stability
  ■ Trigger level function (1823A only)
  ■ Frequency ratio measurement function
  (1823A only)
  ■ Time interval measurement function
  (1823A only)
  ■ RPM measurement function (1856D only)
  ■ External frequency standard input
  ■ Bright LED display
  ■ Attenuator
  ■ Period
  ■ Total
  ■ Low pass filter
  ■ Line filter
  ■ RS232C Interface