Voltage Testers (117 Products)

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  1. Extech DV23 AC Voltage Detector - Front
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    Extech DV23 AC Voltage Detector
    Rating:
    100%
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    £10.18 £8.48
    • Non-contact tool for detecting AC voltage
    • Glows red and sounds audible tone when voltage is detected
    • Pocket-sized design with built-in clip
    16 Reward Points
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    SKU: DV23
  2. Extech DV30 Non Contact Adjustable AC Voltage Detector - Angled
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    Extech DV30 Non Contact Adjustable AC Voltage Detector
    Rating:
    91%
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    £13.08 £10.90
    • AC sensor with self-testing capability
    • Sensitivity of detector can be adjusted where required
    • Range from 12 to 600 VAC
    20 Reward Points
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    SKU: DV30
  3. Extech DV25 Dual Range AC Voltage Detector with Flashlight
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    Extech DV25 Dual Range AC Voltage Detector with Flashlight
    Rating:
    40%
    (1)
    £13.08 £10.90
    • Two AC voltage ranges when working with weak electrical circuits
    • Dual bandwidth compatibility (50/60 Hz) provided on both ranges
    • Equipped with flashlight, LED light indicator and audible alarm
    20 Reward Points
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    SKU: DV25
  4. Extech DV20 AC Voltage Detector Flashlight - Kit
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    Extech DV20 AC Voltage Detector/Flashlight
    Rating:
    80%
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    £13.08 £10.90
    • Comes equipped with flashlight and illuminating detector tip
    • Double-moulded design for protection against dust and shock
    • Powered by two heavy-duty AAA batteries, included in the box
    20 Reward Points
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    SKU: DV20
  5. Extech DA30 Non contact Adjustable AC Current Detector Angled
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    Extech DA30 Non-Contact AC Current Detector
    Rating:
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    £20.90 £17.42
    • Useful for finding hidden current
    • Visual and audible indicators when current is detected
    • Adjustable sensitivity when finding cables underground and in walls
    34 Reward Points
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    SKU: DA30
  6. Extech DVA30 Non contact AC Voltage and Current Detector - Front
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    Extech DVA30 Non-Contact AC Voltage and Current Detector
    Rating:
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    £36.52 £30.43
    • Current and voltage detection device
    • Wide measurement range
    • Non-contact device
    60 Reward Points
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    SKU: DVA30
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About Voltage Testers

Voltage testers, also known more commonly as voltage detectors or voltfinders, are devices used to quickly evaluate the status of voltages.

They generally come in two different flavours - voltage testers are often two pole testing instrument designed for specific contact to a system when evaluating voltage levels, while non-contact voltage detectors are portable, lightweight testers that allow users to hold them near to an application in order to register the presence of live voltages.

Non-contact voltage detectors (NCVs) use either LED light indicators, audible tones or a combination of both to alert the user to the presence of voltages. We stock a wide range of these devices in various different forms ranging from simple, basic NCVs to devices with integrated torches for use in darkened lighting conditions.

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