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AC & DC Power Supplies (57 Products)

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  1. FLIR TA03-KIT AAA Universal Rechargeable Battery Charger
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    FLIR TA03-KIT AAA Universal Rechargeable Battery Charger
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    £88.80 £74.00
    • Charge up to four AAA batteries at the same time
    • Universally compatible with AAA batteries
    • Includes charger and multi-region power plugs
    148 Reward Points
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    SKU: TA03-KIT
  2. Extech 382200 Single Output DC Power Supply - 30V, 1A
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    Extech 382200 Single Output DC Power Supply - 30V, 1A
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    £131.21 £109.34
    • Generates constant variable DC current or voltage
    • LDC screen display of current value
    • Banana plug connectors
    218 Reward Points
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    SKU: 382200
  3. Extech 382202 18V 3A Single Output DC Power Supply
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    Extech 382202 18V/3A Single Output DC Power Supply
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    £140.58 £117.15
    • Single DC output supply of voltage and current
    • Adjustable 18V/3A supply
    • Dual backlit LCD screens
    234 Reward Points
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    SKU: 382202
  4. Extech 382213 Digital Triple Output DC Power Supply
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    Extech 382213 Digital Triple Output DC Power Supply
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    £202.80 £169.00
    • Triple output of DC current and voltage
    • Digital indicators of current output level
    • Easily adjust the range
    338 Reward Points
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    SKU: 382213
  5. Aim-TTi EL301R Digital Bench Power Supply – 30W, 1 Output
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    Aim-TTi EL301R Digital Bench Power Supply – 30W, 1 Output
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    £216.00 £180.00
    • Four-digit voltage and current meter with a fixed 10mV/ 1mA resolution
    • Remote sense terminals with On/Off switch
    • Provides a voltage output of 0 to 30V at 0 to 1A
    360 Reward Points
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    SKU: 51153-6400
  6. Aim-TTi EL302R Digital Bench Power Supply – 60W, 1 Output
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    Aim-TTi EL302R Digital Bench Power Supply – 60W, 1 Output
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    £237.60 £198.00
    • Single-channel PSU with true linear regulation
    • Switchable remote sensing
    • Four-digit, fixed-resolution voltage and current meters
    396 Reward Points
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    SKU: 51153-6600
  7. Aim-TTi EL561R Digital Bench Power Supply – 60W, 1 Output
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    Aim-TTi EL561R Digital Bench Power Supply – 60W, 1 Output
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    £244.80 £204.00
    • True linear regulation provides the best possible performance
    • Switchable remote sensing
    • Four-digit, fixed resolution voltage and current meters
    408 Reward Points
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    SKU: 51153-7400
  8. Aim-TTi EL183R Digital Bench Power Supply – 60W, 1 Output
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    Aim-TTi EL183R Digital Bench Power Supply – 60W, 1 Output
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    £244.80 £204.00
    • Switchable remote sensing for precise regulation at the load and true metering of the load voltage
    • Four-digit, fixed-resolution voltage and current meters
    • Silent cooling: utilises convection cooling eliminating fan noise
    408 Reward Points
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    SKU: 51153-6200
  9. Free Precision Screwdrivers
    Siglent SPD1000X Programmable Linear DC Power Supply –Choice of Output
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    Siglent SPD1000X Programmable Linear DC Power Supply –Choice of Output
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    As low as £274.80 £229.00
    • Two models available with different voltage, current and total power outputs
    • Two output modes: 4-wire Compensation mode and 2-wire Output mode
    • 2.8” TFT-LCD display with a clear graphical interface and real-time waveform display function
    548 Reward Points
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    SKU: SPD1000X
  10. Free Precision Screwdrivers
    Siglent SPD3303C Programmable Linear DC Power Supply
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    Siglent SPD3303C Programmable Linear DC Power Supply
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    £286.80 £239.00
    • Three independent outputs: 2x adjustable outputs and 1x output with fixed selectable voltages
    • Total power output: 220W
    • Lightweight with LED display
    478 Reward Points
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    SKU: SPD3303C
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About AC & DC Power Supplies

A power supply, as the name might suggest, is primarily used to distribute electrical power straight into electrical loads, giving them the energy they need to operate.

DC (Direct Current) power supplies are typically used in low voltage installations to generate power for components. At their most basic level, power supplies are present in a wide variety of electrical household appliances such as desktop computers, washing machines, televisions and more, as each of these components runs on a constant DC voltage that is converted from the alternating current supplied by the national grid. .

A power supply can also be used to convert energy obtained from other sources into usable electrical power. They can generally obtain energy from batteries, fuel cells, generators, alternators and can also be powered exclusively by solar power by using installations such as solar panels on the roof of buildings.

Whatever you need it for, Tester supplies a wide and ever-expanding range of DC Power Supplies perfect for use in a wide variety of different situations. The devices in our store generally come with incredibly useful features including adjustable parameters (meaning they can be used in different installations with some tweaking), different ranges of capability.

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