Member Blog Posts: measurement

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  Optimizing Your Next Temperature Measurement Configuration - Part II

  Posted May 06, 2012 By Robert Green

  Part II: Thermocouples

  Thermocouples are far and away the most widely used type of temperature sensor because they are both rugged and relatively…

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  Optimizing Your Next Temperature Measurement Configuration— Part I

  Posted Apr 18, 2012 By Robert Green

  Part I: Defining the Needs and Limitations of Your System

  Reliable temperature measurements are essential to a wide range of test and…

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  Temperature Measurement Using AD7416 Sensor

  Posted Feb 09, 2012 By Circuit Projects

  The project illustrates the use of digital temperature sensor AD7416 from Analog Devices in measuring temperatures or triggering some…

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  Nuclear Weighing System Measurement Computer

  Posted Feb 09, 2012 By Circuit Projects

  This project refers to a process computer of digital processing to process measurements which provide a non-contact method of measurement…

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  Analog Geiger Counter with Digital Output

  Posted Feb 09, 2012 By Circuit Projects

  The project is an analog Geiger counter that is capable of detecting and measuring the three forms of radiation including alpha, beta, and…

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  Water Level Sensor with Accurate Measurement

  Posted Feb 08, 2012 By Circuit Projects

  The project illustrates the design of an accurate water level sensor that is comprised of capacitance probe, analog electronics unit, and…

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  Water Purity Measurement Using Polysensor

  Posted Feb 08, 2012 By Circuit Projects

  The objective of the project is to create a low-cost, tropicalized, and rugged sensor that is capable of testing the impurities in…

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  Capacitive Liquid Sensor Built with Arduino

  Posted Feb 07, 2012 By Circuit Projects

  The goal of the capacitive liquid sensor is to measure the change in capacitance or charge between two metal plates depending on the…

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  Calorimeter with Differential Scanning

  Posted Feb 07, 2012 By Circuit Projects

  Creating an instrument that has wide enough temperature range to demonstrate measurement with fairly accurate temperature resolution and…

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  Watt Meter for True RMS Measurement up to 1500W

  Posted Feb 03, 2012 By Circuit Projects

  The project was designed to build an accurate watt meter which will be used to measure different power levels.

  The watt meter circuit was…

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  Current Measurement for Car Alternator

  Posted Feb 02, 2012 By Circuit Projects

  The project uses the alternator to measure the current in order to detect failures or helps in the proper alternator selection through the…

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  Frequency Meter with 40 MHz Measurement

  Posted Jan 31, 2012 By Circuit Projects

  The device is a simple, small, and cheap frequency meter with out any hard to find components to be able to measure frequencies up to 40…

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  Electromagnetic Field Measurement Probe

  Posted Jan 25, 2012 By Circuit Projects

  The circuit was aimed to measure the variation in magnetic and electric fields by designing an electromagnetic probe with a headphone…

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  RS232 Input Interface for Digital Caliper

  Posted Jan 25, 2012 By Circuit Projects

  An electronic digital caliper is made to record the measurements to a computer with the use of RS232 interface.

  The design of the device…

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  Homemade Pulse Oximeter Based on 68HC908AB32

  Posted Jan 25, 2012 By Circuit Projects

  The device is based on 68HC908AB32 microcontroller that aims to create a pulse oximeter that will be used to measure arterial blood oxygen…

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  Dynamic Range is Important When Choosing a Source-Measurement Unit

  Posted Nov 23, 2011 By Robert Green

  Source measurement units (SMUs) are instruments that can source current and measure voltage, or source voltage and measure current. Since their…

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  Keep Noise Down When Making Low-Level Measurements

  Posted Nov 09, 2011 By Robert Green

  Characterizing electronic devices such as field-effect transistors (FETs) and carbon nanotubes (CNTs) can be a challenge because it requires making…

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  Measurement Uncertainty and CISPR 11

  Posted Nov 06, 2011 By Theresa Benson

  Measurement uncertainty, as described in ISO/IEC Guide 98, is a “parameter, associated with the result of a measurement, [which] characterizes the…

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  Use Hall Effect Measurements to Characterize Materials

  Posted Sep 28, 2011 By Robert Green

  Engineers have been using Hall effect measurements to characterize materials since Edwin Hall discovered the phenomenon in 1879. The Hall effect is…

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  Electrical Measurement Considerations for Nanoscale Devices and Materials

  Posted Aug 10, 2011 By Robert Green

  Lately, we at Keithley have been seeing a lot of interest in nanotechnology, and research laboratories in universities and in semiconductor companies…

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