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

Reference Guide 2014-08-01

Full-Featured CW Microwave Counters for Field, Factory or Lab Data Sheet
Description and technical specifications for the Keysight 53150A, 53151A, and 53152A CW Microwave Counters.

Data Sheet 2011-12-05

53150 Series Continuous Wave (CW) Microwave Counters - Quick Fact Sheet
2-page quick fact sheet outlines the key features and specifications for Keysight's 53150 series microwave frequency counters.

Brochure 2011-06-24

Frequency counter selection guide

Selection Guide 2010-05-04

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

4 Steps for Making Better Power Measurements (AN 64-4D) - Application Note
Before selecting a power meter and associated sensors, make sure that you have taken the 4 steps detailed in this note, which influence the accuracy, economy and technical match to your application.

Application Note 2006-04-26

Frequency Counter Video Overview
A 5 minute video demo of Keysight's frequency counters.

Demo 2004-11-01

Tips for making more accurate measurements with a frequency counter
Six tips for making accurate frequency measurements.

Application Note 2004-07-30

53150A/151A/152A Programming Guide
This Programming Guide describes how to program the 53150A/51A/52A Microwave Frequency Counters.

Programming and Syntax Guide 2002-08-01

53150A/151A/152A Operating Guide
53150-90013; Contains a description of the features and functions of the instrument, including programming information, application examples, and technical specifications.

Operation Manual 2002-08-01

53150A/151A/152A Assembly Level Service Guide
This Assembly-Level Service Guide describes how to service the 53150A/51A/52A Microwave Frequency Counters.

Service Manual 2002-08-01

53151A Standard Shipped Components
Listing of items shipped with a standard 53151A product.

Reference Guide 2002-03-12

53150A Standard Shipped Components
Listing of items shipped with a standard 53150A product.

Reference Guide 2002-03-12

53152A Standard Shipped Components
Listing of items shipped with a standard 53152A product.

Reference Guide 2002-03-12

53150A/51A/52A Microwave Frequency Counter Operating Guide (French)
53150A/51A/52A Microwave Frequency Counter Operating Guide (French)

User Manual 2001-12-06

4 Hints for Making Better Microwave Counter Measurements
This Product Note provides four pertinent hints for making better microwave counter measurements, describes the advantages of using a microwave counter, and deals with the unique measurement problems created by the advancement in counter technology.

Application Note 1998-09-01

Fundamentals of Microwave Frequency Counters (AN 200-1)
This somewhat lengthy, classic Application Note addresses the microwave counter designer's need for down-conversion techniques. It describes and compares techniques and outlines additional considerations in choosing a microwave counter. Includes some applications of the Keysight 5342A.

Application Note 1997-05-01