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Kewtech KT1780 Voltage Tester

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  • Slender probe tips that fit into recessed terminals such as RCBOs.
  • GS38 compliant.
  • Perform voltage, continuity, phase rotation and polarity tests.

rrp £63.00

now £38.95 (Ex. VAT) £46.74 (Inc. VAT)

rrp £63.00


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"Quickly measure AC and DC voltages up to 690V with this GS38 compliant voltage tester."

  • Description

    Kewtech KT1780 Voltage Tester

    The KT1780 Voltage Tester measures AC and DC voltages up to 690, providing clear LED indication of the detected voltage level.

    With GS38 compliant slender probe tips and designed to the new international standards IEC 61243-3, IEC 61010-1 and measurement category CAT IV 600V, the KT1780 is a versatile voltage detector that can also perform continuity, single pole phase, polarity and phase rotation testing as well as a self diagnostic test to ensure correct operation.

    Kewtech KT1780 Features

    • UK specific probe tips to GS38
    • Slender probe tips that fit into recessed terminals such as RCBOs
    • Measures AC and DC voltages up to 690V
    • LCD voltage level indication
    • Continuity test with audible tone
    • Single pole phase test
    • Polarity indication
    • Phase rotation testing
    • Self diagnostic test
    • Built-in torch light

    Kewtech KT1780 Two Pole Voltage Detector Kit

    We can also supply you with a ELC800 Voltage tester kit comprising of a Kewprove Proving Unit, zip up carry case and the KT1780 two pole voltage tester. 

  • Specification

    Voltage Test

    • Voltage Range: 12 - 690V AC/DC
    • Peak Current: Is <3.5mA (at 690V)
    • Internal Battery Consumption: Approx. 80mA (battery 3V, measuring 690V AC)
    • Battery Life: Approx. 1000 operations (30s ON/240s OFF duty)
    • Nominal Voltage: 12/24/50/120/230/400/690V, AC (16~400Hz), DC (±)
    • Tolerance (Threshold voltage): Light on at more than: 7 ±3V (12V LED), 18 ±3V (24V LED), 37.5 ±4V (50V), 75% ±5% of nominal voltage, (120/230/400/690V LED)
    • Response Time: <0.6s at 100% of each nominal voltage

    Single Pole Phase Test

    • Voltage Range: 100~690V AC (45~100Hz)

    Phase Rotation Test

    • System: Three-phase 4-wire system 200~690V phase-to-phase (100~400V earth-to-phase) AC 50/60Hz

    Continuity Test

    • Detection Range: 0~400KΩ + 50% (23 ±5ºC)
    • Test Current: Approx. 1.5µA (battery 3V, 0Ω)
    • Internal Battery Consumption: Approx. 80mA (battery 3V, 0Ω)


    • Safety standards: IEC 61010-1:2010, IEC 61243-3:2010, IEC 601010-031:2008, IEC 61557-7:2007
    • Measurement Category: CAT III 690, CAT IV 600V polution deg 2
    • IP Rating: IP65 (IEC60529)
    • Batteries: 3V (2 x 1.5V AAA/LR03)
    • Dimensions: 243 x 64 x 26mm
    • Weight: 190g
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