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Frequency Counter Products

Keysight is the #1 Frequency Counter vendor in the world
Why? Because we offer a wide variety of time and frequency measurements with exceptional performance and reliability.

Introducing the new 350 MHz 53200 Series RF & Universal Frequency Counters/Timers
Speed, resolution & accuracy are just the beginning... See product links below for details.

Compare All Frequency Counter Products (13)

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Basic Instruments Flyer: May - July 2019
This Basic Instruments flyer includes a promotion for a free scope probe.

Brochure 2019-04-17

PDF PDF 7.74 MB
53200 Series of RF and Universal Frequency Counter/Timers - Selection Guide
This 8-page family brochure describes the benefits and specifications of the new 53200 family of counters.

Technical Overview 2019-01-17

53200 RF/Universal Frequency Counter/Timers Models: 53210A, 53220A and 53230A - Product Fact Sheet
Product Fact Sheet describing key features of the Keysight 53200 RF Universal Frequency Counter/Timers.

Promotional Materials 2019-01-17

PDF PDF 310 KB
53220A, 53230A 3D Model, STEP Format
STEP format 3D Model of the 53220A and 53230A Universal Frequency Counter/Timer. Options 106/115 and 201 are installed on this model. Use this model as a reference only.

Technical Overview 2018-08-27

ZIP ZIP 9.73 MB
53200 Series Frequency Counters/Timers Assembly-Level Service Guide
53200 Series Frequency Counters/Timers Assembly-Level Service Guide

Service Manual 2016-08-11

PDF PDF 8.69 MB
53200 Series RF/Universal Frequency Counters/Timers - Data Sheet
This data sheet contains detailed specifications for the 53200A Series RF/Universal Frequency Counter/Timers.

Data Sheet 2016-04-30

53220A/53230A Frequency UniversalCounter/Timer Programmer’s Reference
This file contains reference information to help you program the 53220A / 53230A 350 MHz Universal Frequency Counter/Timer over a LAN, USB, or GPIB interface using the instrument’s SCPI command set.

Programming and Syntax Guide 2016-01-19

PDF PDF 1.75 MB
RF and Universal Counter/Timers Migration Guide - Application Note
This guide highlights compatibility, key specifications, and differences between the soon to be obsolete 531xxA series to the new 53200A series of RF & Universal Frequency Counters.

Application Note 2015-05-07

53210A 350 MHz RF Counter Programmer's Reference
This file contains reference information to help you program the 53210A 350 MHz RF Counter over a LAN, USB, or GPIB interface using the instrument’s SCPI command set.

Help File 2015-05-05

ZIP ZIP 1.10 MB
Make Faster Frequency Measurements with Your Universal Counter - Application Note
Whether you use your universal counter on the bench or in a system, you want to get data as fast as possible. This measurement tip discusses using a counter with helpful front-panel display features such as using input signal voltage and triggering. Trend charts and histograms displayed right on the front panel will also help you quickly understand the measurements you make.

Application Note 2015-02-25

Keysight Frequency Counter Programming Comparison Guide
SCPI Programming comparison guide for the Keysight 53200 Series (53210A, 53220A, 53230A) and 531xxA Series (53131A, 53132A, 53181A) RF and Universal Frequency Counter/Timers.

Application Note 2014-08-02

53210A 350 MHz RF Counter User's Guide
53210A 350 MHz RF Counter User's Guide

User Manual 2014-08-01

Declaration of Conformity
Search Keysight Regulatory database for the most recent Declaration of Conformity statement for your product.

Reference Guide 2014-08-01

53220A/53230A 350 MHz Universal Frequency Counter/Timer User's Guide
53220A/53230A 350 MHz Universal Frequency Counter/Timer User's Guide

User Manual 2014-08-01

53220A/53230A 350 MHz Universal Frequency Counter/Timer Quick Start Tutorial
53220A/53230A 350 MHz Universal Frequency Counter/Timer Quick Start Tutorial

Quick Start Guide 2014-08-01

PDF PDF 669 KB
53210A 350 MHz RF Counter Quick Start Tutorial
53210A 350 MHz RF Counter Quick Start Tutorial

Quick Start Guide 2014-08-01

PDF PDF 728 KB
Solutions for Using a Frequency Counter to Measure Phase Noise Close to a Carrier Signal
A local oscillator (LO) is the heart of any modern radar, electronic warfare or communication system. See how you can use this to your advantage.

Application Note 2011-08-01

53210A Standard Shipped Components
Listing of items shipped with a standard 53210A product

Reference Guide 2010-10-15

53220A Standard Shipped Components
Listing of items shipped with a standard 53220A product

Reference Guide 2010-10-15

53230A Standard Shipped Components
Listing of items shipped with a standard 53230A product

Reference Guide 2010-10-15

53200A Series Frequency Counters Programming Examples ReadMe file

Release Notes 2010-10-15

HTML HTML 34 KB
10 Hints for Getting the Most from your Frequency Counter
Maximize the results you get from your frequency counter through 10 hints from better from understanding the architecture to making faster measurements.

Application Note 2008-04-18