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    1. Electrical Testers

    Battery Testers

    Battery testers analyze the condition and overall health of your primary or secondary cell batteries by assessing the charge, impedance, ripple current, and other parameters of batteries to ensure they are working as required. Common applications include power generation plans, aircraft power supplies, utility, railroad and industrial substations.

    Learn more about Battery Testers
    More About Battery Testers

    A battery is a device consisting of one or more electrochemical cells that convert stored chemical energy into electrical energy. Batteries are available in numerous sizes and types though all rely on the ability to maintain a charge in order to function properly. Battery testers are the class of instruments designed to assess the condition—the charge, impedance, ripple current, or other measurement—of batteries to ensure they are working as required. Just as batteries have a very wide range of sizes and uses, so do battery testers. They range from inexpensive units designed to make sure small batteries have enough charge to power up a camera, to much more sophisticated devices for testing long strings of powerful batteries in industrial settings.

    Despite the range of technology and uses, there are two basic types of batteries:

    Primary cell batteries transform chemical energy to electrical energy. When the reactants inside the battery are exhausted, the battery is dead and energy cannot be effectively restored rendering the batteries disposable. Primary cell batteries are commonly used with portable electronic devices that have low current drain and are not used continuously. Common types of disposable batteries include zinc–carbon batteries and alkaline batteries.

    Secondary cell batteries are known as rechargeable batteries since supplying an electrical charge to the battery reverses the chemical reactions that occurred between the battery’s reactants allowing them to be charged over and over again. Secondary cell batteries can deliver high peak currents. Common types include lead acid, nickel–cadmium (NiCd), nickel–zinc (NiZn), nickel metal hydride (NiMH), and lithium-ion (Li-ion). Over time, the reactants inside secondary cell batteries dissipate and degrade diminishing their capacity of the battery to recharge and limiting its life-cycle.

    Testing primary cell batteries is simple. An electrical tester, often a multimeter, is touched to the positive and negative terminals. The potential voltage of the battery is compared to the test results and the amount of charge remaining can be figured. Many battery testers utilize a color-coded scale which automatically “passes or fails” batteries.

    The characteristics of secondary cell batteries varies over load cycle, charge cycle, and lifetime due to factors including internal chemistry, current drain, and temperature making them a bit more complicated to test and requiring more advanced equipment. Sophisticated battery testers can assess a range of range of factors to determine the overall health of batteries.

    These testers work by applying a test signal across the battery string while on-line and then calculating impedance based on simultaneous measurements of current and resulting voltage drop of each cell/jar. They also measure DC voltage and interconnection (strap) resistance to help determine the overall condition of the entire battery string’s electrical path from terminal plate to terminal plate. Unlike load cycle testing that involves substantial downtime and repeated discharges, using these testers require no battery discharge, nor do they stress the battery in any way compared to other techniques. With a short test time and intercell connector, one person can quickly and easily measure internal cell impedance, DC terminal voltage and intercell connection resistance without taking the battery system off line.

    Applications for Battery Testers:

    • Electrical power generation plants
    • Utility, railroad, and industrial substations
    • Telecommunications facilities: CO, Wireline, Wireless, MTSO
    • UPS systems
    • Railroad signaling and communication substations
    • Aircraft power supplies
    • Marine, military

    If you have any questions regarding battery testers please don't hesitate to speak with one of our engineers by e-mailing us at sales@instrumart.com or calling 1-800-884-4967.

    FPO-engineer
    Questions? Call one of our engineers at 1-800-884-4967.

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    Fluke 500 Series Battery Analyzers
    Fluke 500 Series Battery Analyzers
    Test tool for maintaining, troubleshooting, and testing individual stationary batteries and battery banks.
    Starting at $4,429.99
    Extech BT100 Battery Capacity Tester
    Extech BT100 Battery Capacity Tester
    AC Milli-ohmmeter checks battery condition is seconds while the battery is in service.
    Mfg. has stock
    $789.00
    Amprobe BAT-200 Battery Tester
    Amprobe BAT-200 Battery Tester
    Portable universal battery tester for standard and rechargeable batteries.
    $10.99
    Amprobe BAT-500 Battery Capacity Tester
    Amprobe BAT-500 Battery Capacity Tester
    Quick and accurate battery testing without taking the batteries offline.
    $1,299.99
    Megger BITE2 Battery Impedance Testers
    Megger BITE2 Battery Impedance Testers
    Determines condition of lead-acid and NiCd cells up to 7000 Ah.
    Starting at $9,410.00
    Amprobe BAT-250 Battery Tester
    Amprobe BAT-250 Battery Tester
    Ergonomically designed battery tester to better hold batteries in place during testing .
    $11.99
    Megger BITE3 Battery Impedance Tester
    Megger BITE3 Battery Impedance Tester
    Measures float current and the harmonic content of the ripple current.
    $7,065.00

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