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Let us know if you're having trouble or if we're doing an outstanding job.</p> <p><a href="https://www.surveygizmo.com/s3/4165364/www-nps-web-survey" class="btn" target="_blank" rel="noopener noreferrer">Tell us what you think</a></p> </div> </div> </div> </div> </div> </div> <div class="banner banner--hero"> <div class="banner__img"> <picture><source media="all and (min-width: 1280px)" data-srcset="/-/media/images/product-categories/keithley/dc-power-supply/dc-power-supply_2000x400.jpg?w=1920"><source media="all and (min-width: 992px)" data-srcset="/-/media/images/product-categories/keithley/dc-power-supply/dc-power-supply_2000x400.jpg?w=1280"><source media="all and (min-width: 767px)" data-srcset="/-/media/images/product-categories/keithley/dc-power-supply/dc-power-supply_2000x400.jpg?w=992"><source media="all and (min-width: 544px)" data-srcset="/-/media/images/product-categories/keithley/dc-power-supply/dc-power-supply_2000x400.jpg?w=767"><source media="all and (min-width: 0px)" data-srcset="/-/media/images/product-categories/keithley/dc-power-supply/dc-power-supply_2000x400.jpg?w=544"><img src="/patternlab/images/transparent-pixel.png" alt="DC Power Supply" width="2000" height="400" data-src="/-/media/images/product-categories/keithley/dc-power-supply/dc-power-supply_2000x400.jpg?h=400&iar=0&w=2000" class="lazy"></picture> </div> <div class="banner-container left-middle"> <div class="banner__text "> <h1>DC Power Supply</h1> <div> <p></p> </div> </div> </div> </div> <div class="container"> <div id="block-tektronix-breadcrumbs" class="block"> <nav role="navigation"> <ol itemscope="" itemtype="http://schema.org/BreadcrumbList"> <li itemprop="itemListElement" itemscope="" itemtype="http://schema.org/ListItem"> <a href="/en/products" itemprop="item"> <span itemprop="name">Products</span> </a> <meta itemprop="position" content="0" /> </li> <li itemprop="itemListElement" itemscope="" itemtype="http://schema.org/ListItem"> <span itemprop="name">DC Power Supply</span> <meta itemprop="position" content="1" /> </li> </ol> </nav> </div> <div class="row fifty-fifty-full-width-split-component "> <div class=""> <div class="row "> <div class="col-sm-12 col-md-6"> <div class=""> <div class="tek-mobile-text"> <h2>Matching the DC Power Supplies to the Application</h2> <p>DC power supplies are used for a wide range of applications from training the next generation of electrical engineers to developing breakthrough ultra-low power, wearable products. Whether you need a programmable DC power supply that provides power sourcing or one that pushes the limits of performance by delivering thousands of volts, choosing the appropriate variable bench power supply is critical to obtaining successful test results in teaching, research, design, and manufacturing.</p> <p><a class="btn btn-primary" href="/en/buy/request-demo">REQUEST A DEMO</a></p> <h2> </h2> <h2>How to Choose the Best DC Power Supply</h2> <p>The most common selection criteria are:</p> <ul> <li>Number of output channels (single or multi output)</li> <li>Output voltage, current, and power</li> <li>Setting resolution and accuracy</li> <li>Ripple and noise</li> <li>Features and programmability</li> <li>Advanced features like current measurement with nanoamp resolution, sequencing, analog inputs, digital I/O, and  programming features</li> </ul> </div> </div> </div> <div class="col-sm-12 col-md-6"> <div class=""> <div class="banner--video banner--video-full-width"> <div class="video__wrapper"> <div class="video-inner__wrapper" itemscope itemtype="http://schema.org/VideoObject"> <a data-target-video-id="bc-id-6237300499001--1726561652" class="custom-video-js tek-bc-onclick icon-play-filled top-icon"> <picture><source media="all and (min-width: 544px)" data-srcset="/-/media/images/video-images/dc-power-supplies.jpg?w=640&2023.01.24"><source media="all and (min-width: 0px)" data-srcset="/-/media/images/video-images/dc-power-supplies.jpg?w=544&2023.01.24"><img src="/patternlab/images/transparent-pixel.png" class="custom-video-js__thumbnail lazy" alt="DC Power Supplies" width="640" height="360" cachebust="2023.01.24" data-src="/-/media/images/video-images/dc-power-supplies.jpg?h=360&iar=0&w=640&2023.01.24"></picture> </a> <video-js id="bc-id-6237300499001--1726561652" data-video-id="6237300499001" data-account="1572118491" data-player="6cba6CYIm" data-embed="default" class="video-js tek-bc-delay tek-video-player tek-bc-video" controls preload="none"></video-js> <meta itemprop="name" content="DC Power Supplies" /> <meta itemprop="description" content="A DC power supply is a standard piece of equipment on every engineer&rsquo;s bench. A variety of types are available all with different features and functions to suit your design and debug applications. This video provides an overview of the DC power supplies available as well as some common functions and features to consider based on your needs.&nbsp;" /> <meta itemprop="uploadDate" content="Wednesday, March 17, 2021" /> <meta itemprop="duration" content="3m " /> <meta itemprop="thumbnailUrl" content="https://www.tek.com/-/media/images/video-images/dc-power-supplies.jpg" /> </div> </div> </div> <div itemtype="http://schema.org/VideoObject"> <h4 class="caption" itemprop="name" style="text-align: center;">DC Power Supply Basics</h4> <meta itemprop="name" content="DC Power Supplies"> <meta itemprop="description" content="A DC power supply is a standard piece of equipment on every engineer’s bench. A variety of types are available all with different features and functions to suit your design and debug applications. This video provides an overview of the DC power supplies available as well as some common functions and features to consider based on your needs. "> <meta itemprop="uploadDate" content="March 17, 2021"> <meta itemprop="duration" content="3m "> <meta itemprop="thumbnailUrl" content="https://www.tek.com/-/media/images/video-images/dc-power-supplies.jpg"> </div> </div> </div> </div> </div> </div> <h2>Keithley DC Power Supplies</h2> <div class="row" itemscope itemtype="http://schema.org/OfferCatalog"> <meta itemprop="numberOfItems" content="12" /> <link itemprop="url" href="https://www.tek.com/en/products/dc-power-supplies" /> <meta itemprop="name" content="DC Power Supply" /> <div class="col-sm-12"> <div class="multi-line"> <div class="col-sm-6 col-lg-4 product-card" itemprop=itemListElement itemscope itemtype=http://schema.org/OfferCatalog> <link itemprop="url" href="https://www.tek.com/en/products/dc-power-supplies/2230-series" /> <meta itemprop="brand" content="Tektronix" /> <span itemprop="itemListElement" itemscope="" itemtype="http://schema.org/Offer"> <span itemprop="itemOffered" itemscope="" itemtype="http://schema.org/Product"> <meta itemprop="name" content="Series 2230 High Power 3 Output DC Power Supplies" /> <meta itemprop="description" content="2230 High Power Programmable Power Supplies" /> <meta itemprop="URL" content="/en/products/dc-power-supplies/2230-series" /> <meta itemprop="Image" content="https://www.tek.com/-/media/images/product-series/keithley-2230g/2230g-30-1_5in_0.jpg" /> <meta itemprop="brand" content="Tektronix" /> <meta itemprop="sku" content="2230-30-3" /> <span itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="URL" content="/en/products/dc-power-supplies/2230-series" /> <meta itemprop="priceCurrency" content="SGD" /> <meta itemprop="sku" content="2230-30-3" /> <meta itemprop="price" content="2970" /> <link itemprop="availability" href="http://schema.org/InStock"> </span> </span> </span> <a href="/en/products/dc-power-supplies/2230-series"> <div class="product-card__image"> <picture><img src="/patternlab/images/transparent-pixel.png" alt="Series 2230 High Power 3 Output Programmable DC Power Supply" width="500" height="375" itemprop="image" data-src="/-/media/images/product-series/keithley-2230g/2230g-30-1_5in_0.jpg?h=375&iar=0&w=500" class="lazy"></picture> </div> <div class="product-card__text"> <h3> Series 2230 High Power 3 Output DC Power Supplies </h3> <div> <ul> <li>195 W and 375 W versions</li> <li>6 A or 60 V per output</li> <li>Remote sensing on all outputs </li> <li>Three-channel models</li> <li>Low noise</li> <li>Programmable power supply</li> </ul> </div> </div> </a> </div> <div class="col-sm-6 col-lg-4 product-card" itemprop=itemListElement itemscope itemtype=http://schema.org/OfferCatalog> <link itemprop="url" href="https://www.tek.com/en/products/dc-power-supplies/2280s-series" /> <meta itemprop="brand" content="Tektronix" /> <span itemprop="itemListElement" itemscope="" itemtype="http://schema.org/Offer"> <span itemprop="itemOffered" itemscope="" itemtype="http://schema.org/Product"> <meta itemprop="name" content="Series 2280S High Precision Bench Power Supply" /> <meta itemprop="description" content="Keithley Series 2280S High Precision Bench Power Supply" /> <meta itemprop="URL" content="/en/products/dc-power-supplies/2280s-series" /> <meta itemprop="Image" content="https://www.tek.com/-/media/images/product-series/keithley-2280s/2280s-32-6_front.jpg" /> <meta itemprop="brand" content="Tektronix" /> <meta itemprop="sku" content="2280S-32-6" /> <span itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="URL" content="/en/products/dc-power-supplies/2280s-series" /> <meta itemprop="priceCurrency" content="SGD" /> <meta itemprop="sku" content="2280S-32-6" /> <meta itemprop="price" content="4260" /> <link itemprop="availability" href="http://schema.org/InStock"> </span> </span> </span> <a href="/en/products/dc-power-supplies/2280s-series"> <div class="product-card__image"> <picture><source media="all and (min-width: 544px)" data-srcset="/-/media/images/product-series/keithley-2280s/2280s-32-6_front.jpg?w=569"><source media="all and (min-width: 0px)" data-srcset="/-/media/images/product-series/keithley-2280s/2280s-32-6_front.jpg?w=544"><img src="/patternlab/images/transparent-pixel.png" alt="Series 2280 Precision Measurement Variable Bench Power Supply" width="569" height="348" itemprop="image" data-src="/-/media/images/product-series/keithley-2280s/2280s-32-6_front.jpg?h=348&iar=0&w=569" class="lazy"></picture> </div> <div class="product-card__text"> <h3> Series 2280S High Precision Bench Power Supply </h3> <div> <p> </p> <ul> <li>192W with up to 6A</li> <li>6 ½-digit, 10nA current measurement resolution</li> <li>Displays plots of voltage and current</li> <li>Programmable power supply</li> <li>Designed for benchtop and automated testing of power conversion devices and IoT devices</li><li>TFT LCD display to monitor current and voltages<br><br></li> </ul> </div> </div> </a> </div> <div class="col-sm-6 col-lg-4 product-card" itemprop=itemListElement itemscope itemtype=http://schema.org/OfferCatalog> <link itemprop="url" href="https://www.tek.com/en/products/keithley/dc-power-supplies/2281s-series-battery-simulator-emulator" /> <meta itemprop="brand" content="Tektronix" /> <span itemprop="itemListElement" itemscope="" itemtype="http://schema.org/Offer"> <span itemprop="itemOffered" itemscope="" itemtype="http://schema.org/Product"> <meta itemprop="name" content="Keithley Series 2281S Battery Simulator/Emulator" /> <meta itemprop="description" content="Get accurate results with the Keithley Series 2281S Battery Simulator and Emulator. Power your product with 5 built-in battery models and emulate battery response over its discharge cycle." /> <meta itemprop="URL" content="/en/products/keithley/dc-power-supplies/2281s-series-battery-simulator-emulator" /> <meta itemprop="Image" content="https://www.tek.com/-/media/images/product-series/keithley-2281s/2281s_front.jpg" /> <meta itemprop="brand" content="Tektronix" /> <meta itemprop="sku" content="2281S-20-6" /> <span itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="URL" content="/en/products/keithley/dc-power-supplies/2281s-series-battery-simulator-emulator" /> <meta itemprop="priceCurrency" content="SGD" /> <meta itemprop="sku" content="2281S-20-6" /> <meta itemprop="price" content="6360" /> <link itemprop="availability" href="http://schema.org/InStock"> </span> </span> </span> <a href="/en/products/keithley/dc-power-supplies/2281s-series-battery-simulator-emulator"> <div class="product-card__image"> <picture><source media="all and (min-width: 544px)" data-srcset="/-/media/images/product-series/keithley-2281s/2281s_front.jpg?w=569"><source media="all and (min-width: 0px)" data-srcset="/-/media/images/product-series/keithley-2281s/2281s_front.jpg?w=544"><img src="/patternlab/images/transparent-pixel.png" alt="Keithley Series 2281 Dynamic Model Battery Simulator" width="569" height="301" itemprop="image" data-src="/-/media/images/product-series/keithley-2281s/2281s_front.jpg?h=301&iar=0&w=569" class="lazy"></picture> </div> <div class="product-card__text"> <h3> Keithley Series 2281S Battery Simulator/Emulator </h3> <div> <ul> <li>Used to model and simulate any type of battery</li> <li>Unique display shows battery state</li> <li>Precision power supply mode</li> <li>TFT LCD display to monitor current and voltages<br> <br> </li> </ul> </div> </div> </a> </div> <div class="col-sm-6 col-lg-4 product-card" itemprop=itemListElement itemscope itemtype=http://schema.org/OfferCatalog> <link itemprop="url" href="https://www.tek.com/en/products/dc-power-supplies/2220-2230-2231-series" /> <meta itemprop="brand" content="Tektronix" /> <span itemprop="itemListElement" itemscope="" itemtype="http://schema.org/Offer"> <span itemprop="itemOffered" itemscope="" itemtype="http://schema.org/Product"> <meta itemprop="name" content="Series 2220/2230/2231 Multiple Output DC Power Supplies" /> <meta itemprop="description" content="Keithley 2220/2230/2231 Series" /> <meta itemprop="URL" content="/en/products/dc-power-supplies/2220-2230-2231-series" /> <meta itemprop="Image" content="https://www.tek.com/-/media/images/product-series/keithley-2200-2230-2231-series/2230g-30-1_34view_5in_0.jpg" /> <meta itemprop="brand" content="Tektronix" /> <meta itemprop="sku" content="2231A-30-3" /> <span itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="URL" content="/en/products/dc-power-supplies/2220-2230-2231-series" /> <meta itemprop="priceCurrency" content="SGD" /> <meta itemprop="sku" content="2231A-30-3" /> <meta itemprop="price" content="1550" /> <link itemprop="availability" href="http://schema.org/InStock"> </span> </span> </span> <a href="/en/products/dc-power-supplies/2220-2230-2231-series"> <div class="product-card__image"> <picture><img src="/patternlab/images/transparent-pixel.png" alt="Series 2220/2230/2231 Multiple Output DC Power Supplies" width="500" height="375" itemprop="image" data-src="/-/media/images/product-series/keithley-2200-2230-2231-series/2230g-30-1_34view_5in_0.jpg?h=375&iar=0&w=500" class="lazy"></picture> </div> <div class="product-card__text"> <h3> Series 2220/2230/2231 Multiple Output DC Power Supplies </h3> <div> <ul> <li>Two or three independent outputs</li> <li>All outputs displayed simultaneously</li> <li>Remote sensing on all channels</li> <li>Low noise</li> <li>Programmable power supply</li> </ul> </div> </div> </a> </div> <div class="col-sm-6 col-lg-4 product-card" itemprop=itemListElement itemscope itemtype=http://schema.org/OfferCatalog> <link itemprop="url" href="https://www.tek.com/en/products/dc-power-supplies/2260b-series" /> <meta itemprop="brand" content="Tektronix" /> <span itemprop="itemListElement" itemscope="" itemtype="http://schema.org/Offer"> <span itemprop="itemOffered" itemscope="" itemtype="http://schema.org/Product"> <meta itemprop="name" content="Series 2260B 360W/720W/1080 DC Power Supplies " /> <meta itemprop="description" content=" Power up to 1080W Outputs up to 800V and 100A Analog input Single channel Wide range Programmable power supply Used in automated test equipment " /> <meta itemprop="URL" content="/en/products/dc-power-supplies/2260b-series" /> <meta itemprop="Image" content="https://www.tek.com/-/media/images/product-series/keithley-2260b-series/2260b-comboshot_sbg_5in_0.jpg" /> <meta itemprop="brand" content="Tektronix" /> <meta itemprop="sku" content="2260B-30-36" /> <span itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="URL" content="/en/products/dc-power-supplies/2260b-series" /> <meta itemprop="priceCurrency" content="SGD" /> <meta itemprop="sku" content="2260B-30-36" /> <meta itemprop="price" content="3190" /> <link itemprop="availability" href="http://schema.org/InStock"> </span> </span> </span> <a href="/en/products/dc-power-supplies/2260b-series"> <div class="product-card__image"> <picture><img src="/patternlab/images/transparent-pixel.png" alt="Keithley Series 2260B 360W/720W/1080 Programmable DC Power Supplies" width="500" height="375" itemprop="image" data-src="/-/media/images/product-series/keithley-2260b-series/2260b-comboshot_sbg_5in_0.jpg?h=375&iar=0&w=500" class="lazy"></picture> </div> <div class="product-card__text"> <h3> Series 2260B 360W/720W/1080 DC Power Supplies </h3> <div> <ul> <li>Power up to 1080W</li> <li>Outputs up to 800V and 100A</li> <li>Analog input</li> <li>Single channel </li> <li>Wide range</li> <li>Programmable power supply</li> <li>Used in automated test equipment</li> </ul> </div> </div> </a> </div> <div class="col-sm-6 col-lg-4 product-card" itemprop=itemListElement itemscope itemtype=http://schema.org/OfferCatalog> <link itemprop="url" href="https://www.tek.com/en/products/dc-power-supplies/2300-series" /> <meta itemprop="brand" content="Tektronix" /> <span itemprop="itemListElement" itemscope="" itemtype="http://schema.org/Offer"> <span itemprop="itemOffered" itemscope="" itemtype="http://schema.org/Product"> <meta itemprop="name" content="Series 2300 Battery Simulating DC Power Supplies " /> <meta itemprop="description" content=" Single and dual output models Each output can source or sink Programmable output resistance Low noise " /> <meta itemprop="URL" content="/en/products/dc-power-supplies/2300-series" /> <meta itemprop="Image" content="https://www.tek.com/-/media/images/product-series/keithley-2300/2308_frnt_0.jpg" /> <meta itemprop="brand" content="Tektronix" /> <meta itemprop="sku" content="2303" /> <span itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="URL" content="/en/products/dc-power-supplies/2300-series" /> <meta itemprop="priceCurrency" content="SGD" /> <meta itemprop="sku" content="2303" /> <meta itemprop="price" content="5340" /> <link itemprop="availability" href="http://schema.org/InStock"> </span> </span> </span> <a href="/en/products/dc-power-supplies/2300-series"> <div class="product-card__image"> <picture><img src="/patternlab/images/transparent-pixel.png" alt="Series 2300 Battery Simulating DC Power Supplies" width="500" height="375" itemprop="image" data-src="/-/media/images/product-series/keithley-2300/2308_frnt_0.jpg?h=375&iar=0&w=500" class="lazy"></picture> </div> <div class="product-card__text"> <h3> Series 2300 Battery Simulating DC Power Supplies </h3> <div> <ul> <li>Single and dual output models</li> <li>Each output can source or sink</li> <li>Programmable output resistance</li> <li>Low noise</li> </ul> </div> </div> </a> </div> <div class="col-sm-6 col-lg-4 product-card" itemprop=itemListElement itemscope itemtype=http://schema.org/OfferCatalog> <link itemprop="url" href="https://www.tek.com/en/products/dc-power-supplies/2200-dc-power-supply" /> <meta itemprop="brand" content="Tektronix" /> <span itemprop="itemListElement" itemscope="" itemtype="http://schema.org/Offer"> <span itemprop="itemOffered" itemscope="" itemtype="http://schema.org/Product"> <meta itemprop="name" content="Series 2200 USB/GPIB DC Power Supplies" /> <meta itemprop="description" content=" 20V to 72V and 1.2A to 5A outputs 1mV/0.1mA resolution Displays settings and outputs " /> <meta itemprop="URL" content="/en/products/dc-power-supplies/2200-dc-power-supply" /> <meta itemprop="Image" content="https://www.tek.com/-/media/images/product-series/keithley-2200-dc-power-supply/keithley-series-2200-usb-and-gpib-programmable-dc-power-supplies-1.jpg" /> <meta itemprop="brand" content="Tektronix" /> <meta itemprop="sku" content="2200-20-5" /> <span itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="URL" content="/en/products/dc-power-supplies/2200-dc-power-supply" /> <meta itemprop="priceCurrency" content="SGD" /> <meta itemprop="sku" content="2200-20-5" /> <meta itemprop="price" content="2160" /> <link itemprop="availability" href="http://schema.org/InStock"> </span> </span> </span> <a href="/en/products/dc-power-supplies/2200-dc-power-supply"> <div class="product-card__image"> <picture><img src="/patternlab/images/transparent-pixel.png" alt="Keithley Series 2200 USB and GPIB Programmable DC Power Supplies" width="500" height="375" itemprop="image" data-src="/-/media/images/product-series/keithley-2200-dc-power-supply/keithley-series-2200-usb-and-gpib-programmable-dc-power-supplies-1.jpg?h=375&iar=0&w=500" class="lazy"></picture> </div> <div class="product-card__text"> <h3> Series 2200 USB/GPIB DC Power Supplies </h3> <div> <ul> <li>20V to 72V and 1.2A to 5A outputs</li> <li>1mV/0.1mA resolution</li> <li>Displays settings and outputs</li> </ul> </div> </div> </a> </div> <div class="col-sm-6 col-lg-4 product-card" itemprop=itemListElement itemscope itemtype=http://schema.org/OfferCatalog> <link itemprop="url" href="https://www.tek.com/en/products/dc-power-supplies/2290-series" /> <meta itemprop="brand" content="Tektronix" /> <span itemprop="itemListElement" itemscope="" itemtype="http://schema.org/Offer"> <span itemprop="itemOffered" itemscope="" itemtype="http://schema.org/Product"> <meta itemprop="name" content="Series 2290 High Voltage DC Power Supplies " /> <meta itemprop="description" content="5kV and 10KV output models 1µA current resolution Safety interlock " /> <meta itemprop="URL" content="/en/products/dc-power-supplies/2290-series" /> <meta itemprop="Image" content="https://www.tek.com/-/media/images/product-series/keithley-2290/2290-5_2290-10_34view_10inhr_1.jpg" /> <meta itemprop="brand" content="Tektronix" /> <meta itemprop="sku" content="2290E-5" /> <span itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="URL" content="/en/products/dc-power-supplies/2290-series" /> <meta itemprop="priceCurrency" content="SGD" /> <meta itemprop="sku" content="2290E-5" /> <meta itemprop="price" content="9460" /> <link itemprop="availability" href="http://schema.org/InStock"> </span> </span> </span> <a href="/en/products/dc-power-supplies/2290-series"> <div class="product-card__image"> <picture><img src="/patternlab/images/transparent-pixel.png" alt="Series 2290 High Voltage DC Power Supplies" width="500" height="375" itemprop="image" data-src="/-/media/images/product-series/keithley-2290/2290-5_2290-10_34view_10inhr_1.jpg?h=375&iar=0&w=500" class="lazy"></picture> </div> <div class="product-card__text"> <h3> Series 2290 High Voltage DC Power Supplies </h3> <div> <ul><li>5kV and 10KV output models</li> <li>1µA current resolution</li> <li>Safety interlock</li> </ul> </div> </div> </a> </div> <div class="col-sm-6 col-lg-4 product-card" itemprop=itemListElement itemscope itemtype=http://schema.org/OfferCatalog> <link itemprop="url" href="https://www.tek.com/en/products/ea/ea-bt-20000-series" /> <meta itemprop="brand" content="Tektronix" /> <span itemprop="itemListElement" itemscope="" itemtype="http://schema.org/Offer"> <span itemprop="itemOffered" itemscope="" itemtype="http://schema.org/Product"> <meta itemprop="name" content="EA-BT 20000 Series Battery Testers" /> <meta itemprop="description" content="EA-BT 20000 Series Battery Testers" /> <meta itemprop="URL" content="/en/products/ea/ea-bt-20000-series" /> <meta itemprop="Image" content="https://www.tek.com/-/media/products/ea-2000/eabt20000-triple-product-page_header.png" /> <meta itemprop="brand" content="Tektronix" /> <meta itemprop="sku" content="" /> <span itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="URL" content="/en/products/ea/ea-bt-20000-series" /> <meta itemprop="priceCurrency" content="" /> <meta itemprop="sku" content="" /> <meta itemprop="price" content="0" /> <link itemprop="availability" href="http://schema.org/InStock"> </span> </span> </span> <a href="/en/products/ea/ea-bt-20000-series"> <div class="product-card__image"> <picture><source media="all and (min-width: 544px)" data-srcset="/-/media/products/ea-2000/eabt20000-triple-product-page_header.png?w=601"><source media="all and (min-width: 0px)" data-srcset="/-/media/products/ea-2000/eabt20000-triple-product-page_header.png?w=544"><img src="/patternlab/images/transparent-pixel.png" alt="" width="601" height="501" itemprop="image" data-src="/-/media/products/ea-2000/eabt20000-triple-product-page_header.png?h=501&iar=0&w=601" class="lazy"></picture> </div> <div class="product-card__text"> <h3> EA-BT 20000 Series Battery Testers </h3> <div> <p>Optimized for battery testing and battery simulation</p> </div> </div> </a> </div> <div class="col-sm-6 col-lg-4 product-card" itemprop=itemListElement itemscope itemtype=http://schema.org/OfferCatalog> <link itemprop="url" href="https://www.tek.com/en/products/ea/ea-10000-series-programmable-power-supplies" /> <meta itemprop="brand" content="Tektronix" /> <span itemprop="itemListElement" itemscope="" itemtype="http://schema.org/Offer"> <span itemprop="itemOffered" itemscope="" itemtype="http://schema.org/Product"> <meta itemprop="name" content="EA-PSI 10000 Series Programmable Power Supplies" /> <meta itemprop="description" content="EA-PSI 10000 Series Programmable Power Supplies" /> <meta itemprop="URL" content="/en/products/ea/ea-10000-series-programmable-power-supplies" /> <meta itemprop="Image" content="https://www.tek.com/-/media/products/ea-1000/elr10000_3u_280x210.jpg" /> <meta itemprop="brand" content="Tektronix" /> <meta itemprop="sku" content="" /> <span itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="URL" content="/en/products/ea/ea-10000-series-programmable-power-supplies" /> <meta itemprop="priceCurrency" content="" /> <meta itemprop="sku" content="" /> <meta itemprop="price" content="0" /> <link itemprop="availability" href="http://schema.org/InStock"> </span> </span> </span> <a href="/en/products/ea/ea-10000-series-programmable-power-supplies"> <div class="product-card__image"> <picture><img src="/patternlab/images/transparent-pixel.png" alt="elr10000_3u_280x210" width="280" height="210" itemprop="image" data-src="/-/media/products/ea-1000/elr10000_3u_280x210.jpg?h=210&iar=0&w=280" class="lazy"></picture> </div> <div class="product-card__text"> <h3> EA-PSI 10000 Series Programmable Power Supplies </h3> <div> <p> High power density, efficient unidirectional supplies with autoranging  </p> </div> </div> </a> </div> <div class="col-sm-6 col-lg-4 product-card" itemprop=itemListElement itemscope itemtype=http://schema.org/OfferCatalog> <link itemprop="url" href="https://www.tek.com/en/products/ea/ea-bidirectional-power-supplies" /> <meta itemprop="brand" content="Tektronix" /> <span itemprop="itemListElement" itemscope="" itemtype="http://schema.org/Offer"> <span itemprop="itemOffered" itemscope="" itemtype="http://schema.org/Product"> <meta itemprop="name" content="EA Bidirectional Power Supplies" /> <meta itemprop="description" content="EA Bidirectional Power Supplies" /> <meta itemprop="URL" content="/en/products/ea/ea-bidirectional-power-supplies" /> <meta itemprop="Image" content="https://www.tek.com/-/media/products/ea-1000/elr10000_3u_280x210.jpg" /> <meta itemprop="brand" content="Tektronix" /> <meta itemprop="sku" content="" /> <span itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="URL" content="/en/products/ea/ea-bidirectional-power-supplies" /> <meta itemprop="priceCurrency" content="" /> <meta itemprop="sku" content="" /> <meta itemprop="price" content="0" /> <link itemprop="availability" href="http://schema.org/InStock"> </span> </span> </span> <a href="/en/products/ea/ea-bidirectional-power-supplies"> <div class="product-card__image"> <picture><img src="/patternlab/images/transparent-pixel.png" alt="elr10000_3u_280x210" width="280" height="210" itemprop="image" data-src="/-/media/products/ea-1000/elr10000_3u_280x210.jpg?h=210&iar=0&w=280" class="lazy"></picture> </div> <div class="product-card__text"> <h3> EA Bidirectional Power Supplies </h3> <div> <p>High-voltage supplies with built-in load to source and sink power at 96% efficiency</p> </div> </div> </a> </div> <div class="col-sm-6 col-lg-4 product-card" itemprop=itemListElement itemscope itemtype=http://schema.org/OfferCatalog> <link itemprop="url" href="https://www.tek.com/en/products/ea/ea-autoranging-bench-power-supplies" /> <meta itemprop="brand" content="Tektronix" /> <span itemprop="itemListElement" itemscope="" itemtype="http://schema.org/Offer"> <span itemprop="itemOffered" itemscope="" itemtype="http://schema.org/Product"> <meta itemprop="name" content="EA Elektro-Automatik Autoranging Bench Power Supplies" /> <meta itemprop="description" content="Autoranging Bench Power Supplies" /> <meta itemprop="URL" content="/en/products/ea/ea-autoranging-bench-power-supplies" /> <meta itemprop="Image" content="https://www.tek.com/-/media/products/ea-1000/bench-power-supply_280x210-1.jpg" /> <meta itemprop="brand" content="Tektronix" /> <meta itemprop="sku" content="" /> <span itemprop="offers" itemscope="" itemtype="http://schema.org/Offer"> <meta itemprop="URL" content="/en/products/ea/ea-autoranging-bench-power-supplies" /> <meta itemprop="priceCurrency" content="" /> <meta itemprop="sku" content="" /> <meta itemprop="price" content="0" /> <link itemprop="availability" href="http://schema.org/InStock"> </span> </span> </span> <a href="/en/products/ea/ea-autoranging-bench-power-supplies"> <div class="product-card__image"> <picture><img src="/patternlab/images/transparent-pixel.png" alt="" width="280" height="210" itemprop="image" data-src="/-/media/products/ea-1000/bench-power-supply_280x210-1.jpg?h=210&iar=0&w=280" class="lazy"></picture> </div> <div class="product-card__text"> <h3> EA Elektro-Automatik Autoranging Bench Power Supplies </h3> <div> <p>Precision benchtop power supplies with touch screen and autoranging</p> </div> </div> </a> </div> </div> </div> </div> <div class="container"> <div class="resource-card_section_wrapper"> <h2>Resources</h2> <div class="resource-card_section"> <div class="resource-card resource-card--third-width"> <div class="content-wrapper"> <div class="media-container"> <picture><source media="all and (min-width: 1280px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/resources-1-image/fullbenchsetup_dmm6500_2450_2281_mso5104b/2200_2230_2220_pwrsupgroup.jpg?w=1920"><source media="all and (min-width: 992px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/resources-1-image/fullbenchsetup_dmm6500_2450_2281_mso5104b/2200_2230_2220_pwrsupgroup.jpg?w=1280"><source media="all and (min-width: 767px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/resources-1-image/fullbenchsetup_dmm6500_2450_2281_mso5104b/2200_2230_2220_pwrsupgroup.jpg?w=992"><source media="all and (min-width: 544px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/resources-1-image/fullbenchsetup_dmm6500_2450_2281_mso5104b/2200_2230_2220_pwrsupgroup.jpg?w=767"><source media="all and (min-width: 0px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/resources-1-image/fullbenchsetup_dmm6500_2450_2281_mso5104b/2200_2230_2220_pwrsupgroup.jpg?w=544"><img src="/patternlab/images/transparent-pixel.png" class="non-popup lazy" alt="PwrSupGroup" width="2048" height="1121" data-src="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/resources-1-image/fullbenchsetup_dmm6500_2450_2281_mso5104b/2200_2230_2220_pwrsupgroup.jpg?h=1121&iar=0&w=2048"></picture> </div> <div class="content-type">Technical Brief</div> <div class="text-container"> <h4 class="content-title"> <a href="/en/documents/technical-brief/dc-power-supply-technical-information">DC Power Supply Technical Information</a> </h4> <div class="teaser-description"> <p>DC power supplies are a foundational tool for testing and design that provides a regulated DC output to power any component, module, or device. Explore what a DC power supply is and how they operate in this brief. </p> </div> </div> </div> </div><div class="resource-card resource-card--third-width"> <div class="content-wrapper"> <div class="media-container"> <picture><source media="all and (min-width: 1280px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/resources-2-image/basic_bench_setup1_5inhr/tek-pws2323_02b_h.jpg?w=1920"><source media="all and (min-width: 992px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/resources-2-image/basic_bench_setup1_5inhr/tek-pws2323_02b_h.jpg?w=1280"><source media="all and (min-width: 767px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/resources-2-image/basic_bench_setup1_5inhr/tek-pws2323_02b_h.jpg?w=992"><source media="all and (min-width: 544px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/resources-2-image/basic_bench_setup1_5inhr/tek-pws2323_02b_h.jpg?w=767"><source media="all and (min-width: 0px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/resources-2-image/basic_bench_setup1_5inhr/tek-pws2323_02b_h.jpg?w=544"><img src="/patternlab/images/transparent-pixel.png" class="non-popup lazy" alt="tek pws" width="2048" height="1358" data-src="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/resources-2-image/basic_bench_setup1_5inhr/tek-pws2323_02b_h.jpg?h=1358&iar=0&w=2048"></picture> </div> <div class="content-type">Application Note</div> <div class="text-container"> <h4 class="content-title"> <a href="/en/documents/application-note/power-measurements-ac-dc-power-supplies">Power Measurements on AC-DC Power Supplies</a> </h4> <div class="teaser-description"> <p>AC to DC power supplies are fully integrated into our daily lives. Learn more about what AC-DC power supplies do and how they are the heart of all our electronics. </p> </div> </div> </div> </div><div class="resource-card resource-card--third-width"> <div class="content-wrapper"> <div class="media-container"> <picture><source media="all and (min-width: 1280px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/trigger-resized/daq6510_frontwfeet_scansetup/5-series-b_double-pulse_v1_995.jpg?w=1920"><source media="all and (min-width: 992px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/trigger-resized/daq6510_frontwfeet_scansetup/5-series-b_double-pulse_v1_995.jpg?w=1280"><source media="all and (min-width: 767px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/trigger-resized/daq6510_frontwfeet_scansetup/5-series-b_double-pulse_v1_995.jpg?w=992"><source media="all and (min-width: 544px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/trigger-resized/daq6510_frontwfeet_scansetup/5-series-b_double-pulse_v1_995.jpg?w=767"><source media="all and (min-width: 0px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/trigger-resized/daq6510_frontwfeet_scansetup/5-series-b_double-pulse_v1_995.jpg?w=544"><img src="/patternlab/images/transparent-pixel.png" class="non-popup lazy" alt="5 Series B Double Pulse v1 995" width="2048" height="1365" data-src="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/trigger-resized/daq6510_frontwfeet_scansetup/5-series-b_double-pulse_v1_995.jpg?h=1365&iar=0&w=2048"></picture> </div> <div class="content-type">Product Selector Guide</div> <div class="text-container"> <h4 class="content-title"> <a href="/en/documents/product-selector-guide/power-supply-selector-guide-0">Selector Guide - General Purpose Bench Power Supplies, Special Purpose Power Supplies, and Electronic Loads</a> </h4> <div class="teaser-description"> <p>Choose the best DC bench power supply for your application. Tektronix and Keithley offer a comprehensive portfolio of bench power supplies to address your power sourcing needs.</p> </div> </div> </div> </div><div class="resource-card resource-card--third-width"> <div class="content-wrapper"> <div class="media-container"> <picture><source media="all and (min-width: 1280px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/trigger-resized/mediaprodelivery_tek/dmm10-blog-post-header-image-june-8/2230g_3unitsstack.jpg?w=1920"><source media="all and (min-width: 992px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/trigger-resized/mediaprodelivery_tek/dmm10-blog-post-header-image-june-8/2230g_3unitsstack.jpg?w=1280"><source media="all and (min-width: 767px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/trigger-resized/mediaprodelivery_tek/dmm10-blog-post-header-image-june-8/2230g_3unitsstack.jpg?w=992"><source media="all and (min-width: 544px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/trigger-resized/mediaprodelivery_tek/dmm10-blog-post-header-image-june-8/2230g_3unitsstack.jpg?w=767"><source media="all and (min-width: 0px)" data-srcset="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/trigger-resized/mediaprodelivery_tek/dmm10-blog-post-header-image-june-8/2230g_3unitsstack.jpg?w=544"><img src="/patternlab/images/transparent-pixel.png" class="non-popup lazy" alt="2230G" width="2048" height="2026" data-src="/-/media/solutions/aerospace-defense/l2/radar-and-electronic-warfare/trigger-resized/mediaprodelivery_tek/dmm10-blog-post-header-image-june-8/2230g_3unitsstack.jpg?h=2026&iar=0&w=2048"></picture> </div> <div class="content-type">Blog</div> <div class="text-container"> <h4 class="content-title"> <a href="/en/blog/dc-bench-power-supply-fundamentals">DC Bench Power Supply Fundamentals</a> </h4> <div class="teaser-description"> <p>DC Bench power supplies are a staple of every engineer’s bench. Here are six things you should know about bench power supplies.</p> </div> </div> </div> </div> </div> <div class="more-resources"> <a class="btn btn--right-icon icon-chevron-right btn--no-bgd" href="/en/support/learning-center">Visit our learning center</a> </div> </div> </div> <div class="accordion__headline--blue"> <h3>Frequently Asked Questions (FAQ)</h3> <div class="tek-basic-accordion-container" itemscope itemtype="https://schema.org/FAQPage"> <div class="tab-container" itemprop="mainEntity" itemscope itemtype="https://schema.org/Question"> <a href="javascript:void(0);" class="tek-basic-accordion-title" data-content="tab-97A819DF88B446FDAF9CD9DB1299E4A1"> <h4 itemprop="name">Can a DC power supply be used for both prototyping and production?</h4> </a> <div itemprop="acceptedAnswer" itemscope itemtype="https://schema.org/Answer" class="tek-basic-accordion-content" data-content="tab-97A819DF88B446FDAF9CD9DB1299E4A1"> <div itemprop="text"> <p data-pm-slice="1 1 []">Yes, many DC power supplies are versatile enough to serve both prototyping and production needs. Programmable units are particularly beneficial in production environments where different test scenarios may be required.</p> </div> </div> </div> <div class="tab-container" itemprop="mainEntity" itemscope itemtype="https://schema.org/Question"> <a href="javascript:void(0);" class="tek-basic-accordion-title" data-content="tab-3460D051D695404D83DC05B06EEA77EE"> <h4 itemprop="name">How does a DC power supply work?</h4> </a> <div itemprop="acceptedAnswer" itemscope itemtype="https://schema.org/Answer" class="tek-basic-accordion-content" data-content="tab-3460D051D695404D83DC05B06EEA77EE"> <div itemprop="text"> <div> <div> <div> <div> <div data-content="tab-faq4"> <p><a href="https://download.tek.com/datasheet/DCPowerSupplies.pdf">A DC power supply works</a> by providing a regulated direct current to power a component, module, or device. Most DC power supplies have two modes of operation. In Constant Voltage (CV) mode, the power supply controls the output voltage based on the user settings. In Constant Current (CC) mode, the power supply regulates the current.</p> <div> </div> </div> </div> </div> </div> </div> </div> </div> </div> <div class="tab-container" itemprop="mainEntity" itemscope itemtype="https://schema.org/Question"> <a href="javascript:void(0);" class="tek-basic-accordion-title" data-content="tab-B3BCDFC7FF0E4D91936CC9AC8264D931"> <h4 itemprop="name">How do you use a DC power supply?</h4> </a> <div itemprop="acceptedAnswer" itemscope itemtype="https://schema.org/Answer" class="tek-basic-accordion-content" data-content="tab-B3BCDFC7FF0E4D91936CC9AC8264D931"> <div itemprop="text"> <div> <div data-content="tab-faq3"> <p>A DC power supply is easy to use. These instruments connect to a device that’s being tested via leads that are inserted into the DC power supply panel. Using the front panel display, engineers can set voltages or current levels to power the device for testing.</p> </div> </div> <div><a data-content="tab-faq4" href="javascript:void(0);"></a></div> </div> </div> </div> <div class="tab-container" itemprop="mainEntity" itemscope itemtype="https://schema.org/Question"> <a href="javascript:void(0);" class="tek-basic-accordion-title" data-content="tab-0179AB91921943F4986D3EA062162962"> <h4 itemprop="name">What is a DC power supply?</h4> </a> <div itemprop="acceptedAnswer" itemscope itemtype="https://schema.org/Answer" class="tek-basic-accordion-content" data-content="tab-0179AB91921943F4986D3EA062162962"> <div itemprop="text"> <div> <div data-content="tab-faq1"> <p>A DC power supply provides direct current (DC) voltage to power and test a device under test such as a circuit board or electronic product. A DC power supply typically sits on an engineer’s work area or bench and is often referred to as a bench power supply.</p> </div> </div> <div><a data-content="tab-faq2" href="javascript:void(0);"></a></div> </div> </div> </div> <div class="tab-container" itemprop="mainEntity" itemscope itemtype="https://schema.org/Question"> <a href="javascript:void(0);" class="tek-basic-accordion-title" data-content="tab-C2337DFD3A254D4699B0DFDFC7FAB0CE"> <h4 itemprop="name">What is a programmable DC power supply?</h4> </a> <div itemprop="acceptedAnswer" itemscope itemtype="https://schema.org/Answer" class="tek-basic-accordion-content" data-content="tab-C2337DFD3A254D4699B0DFDFC7FAB0CE"> <div itemprop="text"> <p data-pm-slice="1 1 []">A Programmable DC Power Supply is a device that provides a stable and adjustable DC voltage and current output. Unlike traditional power supplies, programmable ones allow users to set and control the output parameters digitally.</p> </div> </div> </div> <div class="tab-container" itemprop="mainEntity" itemscope itemtype="https://schema.org/Question"> <a href="javascript:void(0);" class="tek-basic-accordion-title" data-content="tab-AA609E0345BF4223B62A8A8E3ED66F22"> <h4 itemprop="name">Why would I need a programmable DC power supply?</h4> </a> <div itemprop="acceptedAnswer" itemscope itemtype="https://schema.org/Answer" class="tek-basic-accordion-content" data-content="tab-AA609E0345BF4223B62A8A8E3ED66F22"> <div itemprop="text"> <p data-pm-slice="1 1 []">These power supplies are essential in various applications, such as electronics testing, product development, research, and manufacturing. Their programmability allows for precise control in testing scenarios.</p> </div> </div> </div> <div class="tab-container" itemprop="mainEntity" itemscope itemtype="https://schema.org/Question"> <a href="javascript:void(0);" class="tek-basic-accordion-title" data-content="tab-0138CBFD0DAC480898457F6E35EE7A1E"> <h4 itemprop="name">What is the purpose of using a DC power supply?</h4> </a> <div itemprop="acceptedAnswer" itemscope itemtype="https://schema.org/Answer" class="tek-basic-accordion-content" data-content="tab-0138CBFD0DAC480898457F6E35EE7A1E"> <div itemprop="text"> <div> <div data-content="tab-faq2"> <p>A programmable DC power supply is used by engineers to test a component, circuit or electronic device, such as IoT devices, <a href="https://www.tek.com/en/solutions/industry/medical-devices-and-systems">medical products</a>, mobile phones, and remote industrial sensors. The DC power supply allows engineers to set and supply specific voltages to power the device to confirm it’s working as intended.</p> </div> </div> <div><a data-content="tab-faq3" href="javascript:void(0);"></a></div> </div> </div> </div> </div> </div> </div> </main> <footer class="footer footer-redesign"> <div class="container"> <div class="footer-logo"> <picture><img src="/patternlab/images/transparent-pixel.png" alt="Tektronix" data-src="/-/media/project/tek/images/logos/tek-monogram/logo_tk_footer.svg?iar=0" class="lazy"></picture> </div> <div class="footer-about"> <p class="heading">About Tektronix</p> <p class="about"> We are the measurement insight company committed to performance, and compelled by possibilities. 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