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Testo 745 Non-Contact AC Voltage Tester

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The Testo 745 non-contact voltage tester is ideally suited for fast initial checking of any suspected fault sources. It filters high-frequency interference signals and has a two-stage sensitivity setting.

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Product Description

The testo 745 non-contact voltage tester means you can quickly and easily determine voltage or de-energization. In contrast to most other models on the market, it has a filter for high-frequency interference signals which enables reliable voltage indication. If voltage is determined, the instrument gives a warning via a clear visual and acoustic signal.

The sensitivity of the instrument can be set in two stages: stage 1 for phase detection, stage 2 for voltage indication. The integrated torch also enables you to work safely in dark surroundings. In addition, the testo 745 voltage tester is both waterproof and dustproof according to IP 67.

Product benefits:

Voltage range up to 1,000 V
Waterproof and dustproof according to IP 67
Adjustable for phase detection or voltage indication
Visual and acoustic signal

Technical Data

Protection class



2 years

Storage temperature

-15 to +60 °C


63 g

Overvoltage Category

CAT IV 600V; CAT III 1000V




155 x 25 x 23 mm

Operating temperature

-10 to +50 °C

Measuring range / Resolution

12 to 1000 V / 50 to 1000 (sensitivity 1), 1000 / 12 V (sensitivity 2)

Measuring point illumination



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