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Metrology & Calibration Standards

Feel confident that Keysight metrology is behind every measurement you make

Measurement confidence

Know that every measurement is traceable to National Metrology Institutes (NMIs) through Keysight-engineered calibration procedures that verify instrument specifications.

Metrology advances

Rely on Keysight engineers who work with the NMIs to develop rigorous measurement techniques in existing and emerging technologies.

Shared expertise

Stay up-to-date on changing compliance requirements and their practical applications by working with Keysight metrologists who collaborate with international standards organizations.

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Uncertainty Propagation for Measurements with Multiple Output Quantities 
Measurements with multiple output quantities exist in many disciplines. This paper discusses using matrix notation, which can be applied to a practical measurement uncertainty example involving complex quantities.

Analysis Tool 2014-08-20

PDF PDF 591 KB
Understanding Measurement Risk - White Paper 
An intuitive explanation of probability density functions drawing on Monte Carlo simulation to demonstrate the relationship between a device's true values and corresponding measured value.

Application Note 2014-08-12

PDF PDF 735 KB
Calibration and Specification Considerations When Using Modular Instrumentation - Application Note 
Modular instruments such as PXI and AXIe offer significant configuration flexibility, interchangeability, speed, and size advantages but also present unique calibration challenges. This paper examines these issues in detail and considers both in situ calibration and calibration performed outside the use environment.

Application Note 2013-11-01

PDF PDF 312 KB
How Senior Managers Perceive the Importance of Calibration - White Paper 
This paper, presented at the National Conference of Standards Laboratories International July 2013, discusses the importance of measurement accuracy and the financial impact it can have on the bottom line.

Application Note 2013-07-01

PDF PDF 1.78 MB
Setting and Adjusting Instrument Calibration Intervals - Application Note 
This document explains how Keysight determines the recommended calibration interval, and why and how this can be extended or reduced.

Application Note 2013-06-11

Paperless Calibration - White Paper 
Discusses the benefits of storing calibration records electronically rather than on paper in filing cabinets and explains why having a hard copy of these files is not necessary.

Application Note 2013-01-25

PDF PDF 1.97 MB
Language of Specifications - White Paper 
This paper explains some of the arcane language used in describing a product's characteristics.

Application Note 2013-01-08

PDF PDF 508 KB
Crystal Oscillator Testing - White Paper 
A policy concerning the testing of the reference oscillators contained within many instruments has been defined and adopted in Keysight's service centers worldwide.

Application Note 2012-12-21

PDF PDF 1.41 MB
Calibration of Time Base Oscillators - White Paper  
As more accurate clocks were produced, new uses of time measurement were explored. As new uses were discovered, the need for even more accurate clocks became apparent.

Application Note 2012-12-21

PDF PDF 438 KB
Specifications Guidelines - White Paper 
Keysight Technologies has definitions for its Test & Measurement product specifications and how they are presented. The following material is extracted from these manufacturing recommendations.

Application Note 2012-12-21

PDF PDF 1.80 MB
Selecting a Calibration Vendor - White Paper 
Cost is important but are there any other questions that need to be asked in selecting a calibration supplier?

Application Note 2012-12-11

PDF PDF 1.38 MB
Using a Manufacturer's Specification as a Type B Error Contribution - White Paper 
Examines the implications of using a manufacturer's specification in an uncertainty analysis; and how calibration laboratories use uncertainty data in their quality systems and customer-facing documents.

Application Note 2012-12-10

PDF PDF 1.13 MB
Spectrum Analyzer CW Power Measurements and the Effects of Noise - Article 
This paper examines how to configure a spectrum analyzer to measure a low-power continuous wave (CW) signal so that the trade-off between measurement time and accuracy is optimized.

Article 2012-12-01

PDF PDF 386 KB
Instrument Design Validation and Recommended Calibration Policy - White Paper 
Provides background information on the test philosophies and methods used when developing instrument verification and adjustment procedures.

Application Note 2012-11-08

Defining Your Calibration Requirement - White Paper 
These are the steps that can be taken when actually placing an order to ensure you get a "proper" calibration.

Article 2012-11-08

PDF PDF 1.57 MB
The Metrological & Financial Implications of a Clogged Fan Filter - White Paper 
This article discussed the implications of having a clogged air filter and addresses solutions to helping in the prevention of clogged air filters.

Application Note 2012-10-24

PDF PDF 1.41 MB
Connector Pin Recession and its Effect on Network Analyzer Accuracy - White Paper 
Outlines an experiment undertaken to assess the impact on the measurement of reflection coefficient when using 3.5 mm connectors.

Application Note 2012-10-24

PDF PDF 762 KB
Too Much Calibration? - White Paper 
This paper explains the variables at work in the world of calibration - how they can be used to find the elusive balance point between cost and confidence, or "too much" and "not enough" calibration.

Application Note 2012-10-24

PDF PDF 1.23 MB
The Six Axes Of Calibration - White Paper 
To help demonstrate the variances in the deliverables and value of calibration due to lack of regulation. They have been split into 6 axes. This document discusses each of these axes.

Application Note 2012-10-24

Calibration of Precision Step Attenuators - White Paper 
Automated parallel IF substitution system for precision attenuator calibration which has been in use for over 15 years and presents results of tests made on some very accurate attenuators.

Application Note 2012-10-14

PDF PDF 1.38 MB
Fully-Automatic DMM Calibration System - White Paper 
Describes a fully-automatic calibration system for digtial multimeters (DMMs), including the uncertainty estimation of DC Voltage measurements.

Application Note 2012-10-14

PDF PDF 2.28 MB
Sensitivity Analysis of One-port Characterized Devices in Vector Network Analyzer Calibrations 
Results of a study on the use of characterized devices in microwave vector network analyzer (VNA) calibrations and measurements. A review of the theory of one-port characterized device calibration.

Application Note 2012-10-14

PDF PDF 1.25 MB
Photonics Connector Care: Effects of Damage Connectors and Interfaces in Fiber Optic Measurements 
To qualify or predict the effects of damaged fiber optic connectors or optical interfaces, a qualitative assessment can ensure that these connectors are kept in a condition of optimum performance.

Application Note 2012-10-14

PDF PDF 2.28 MB
A Guard-Band Strategy for Managing False-Accept Risk - White Paper 
Presents guard-band strategy for managing false-accept risk with only limited knowledge of the a priori probability that a device is in tolerance.

Application Note 2012-10-09

PDF PDF 282 KB
Evaluation of the Performance of a State-of-the-Art Digital Multimeter - White Paper 
Describes several methods used to verify the performance of a very accurate automatically calibrated DMM, the HP 3458A.

Application Note 2012-10-02

PDF PDF 478 KB

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