3.5 GHz Multifunction Counter (Frequency, Period, Totalize)

Model 1856D

MSRP $566 / 1 Yr Warranty
Where to Buy

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



Description Version Download
Operating Software w/ LabVIEW 2014 Run-Time Engine (Supports Windows(R) 7/10) 1.0.0 1823A_1856D_Software.zip
Operating Software (Supports Windows(R) 7/10) 1.0.0 1823A_1856D_Software_noLVRT.zip
Interface Software (Supports Windows(R) 7) V2.04 CounterApp.zip
LabVIEW 8.0 Driver V1.0 LV1856D.zip
  • Right Angle Telescoping Antenna, BNC Connector

    Model AT 21

    MSRP $37.00

  • BNC Breakout to Alligator Clips

    Model CC-21

    Standard BNC to Alligator clips test leads.

    • 50 ohm impedance
    • RG58C/u cable
    • 500Vrms voltage rating
    • 40" cable length

    MSRP $12.00

  • Function, Pulse, and Arbitrary Waveform Generator Carrying Case

    Model LC 40
    • Made in the U.S.A.
    • Light weight, durable Cordura nylon
    • Protects your instruments from damage
    • Room to hold your test leads
    • Perfect size to accommodate bench a Function Generator, Pulse Generator or Arbitrary Waveform Generator
    • Approximate Internal Dimensions: 11 x 5.5 x 12" (279 x 140 x 305mm)

    MSRP $92.00

  • USB to Serial (RS232) Adapter

    Model USB2RS

    USB to serial converter to allow the connection of RS232 intstruments to a PC via a USB interface.

    • Supports both USB 1.1 and USB 2.0 interface
    • Product that use a Null Modem/Cross cable will need to connect this adapter to the crossed cable
    • Link to USB Driver

    MSRP $34.00