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Frequency Counter, 0.1 Hz to 3.5 GHz

BK1856D - Frequency Counter, 0.1 Hz to 3.5 GHz
BK1856D - Frequency Counter, 0.1 Hz to 3.5 GHz
BK1856D - Frequency Counter, 0.1 Hz to 3.5 GHz

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BK1856D   Datasheet
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Data Hold, Frequency, Period, Self Test, Start-Stop, Totalise

0.1Hz to 3.5GHz








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Technical Docs (2)

Product Overview

The BK1856D from B&K Precision is a 3.5GHz multifunction counter (frequency, period, totalize) with ratio frequency. The LED display can provide 9 digits of resolution using the internal 10s gate time. The high accuracy, sensitivity and versatility of this counter make it an extremely valuable instrument to scientists, engineers, experimenters and communications technicians. It covers a frequency range from 0.1Hz to 3.5GHz based on 10MHz time base T.C.O (temperature controlled oscillator). It comes with one year warranty.
  • Frequency counter is microprocessor controlled
  • RPM measurement function
  • External frequency standard input
  • Time base stability is ±1PPM, best resolution is 1nHz
  • 9 digit bright LED display
  • Display hold, low pass filter, self-test
  • Sensitivity: 350mV(0.1-1Hz), 15mV(80-2MHz), 20mV(2MHz-3GHz), 30mV(3GHz-3.2GHz), 50mV(3.2GHz-3.5GHz)
  • 115/230V (50/60Hz) AC input
  • RS232 remote interface
  • Dimensions is 239mm x 89mm x 269mm (W x H x D), 2.5Kg weight


BK1856D counter, User manual, BNC cable, Power cord, Spare fuse.


In addition, we offer calibration services for this product. Choose from a Standard Certificated Service or an internationally recognised UKAS accredited calibration. Visit our calibration service page for more details.

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