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HVAC/R world
Heating technology

Electrical measurement parameters

The innovative electrical measuring instruments from Testo stand out due to their extraordinary high level of user-friendliness, setting new standards with intelligent and completely new technology. Digital multimeters with automatic measurement parameter recognition, clamp meters with a unique grab mechanism or voltage testers that also measure current – this is what electrical measuring technology is all about

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Multimeters, clamp meters and voltage testers from Testo

  • testo 760 digital multimeter: Recognizes measurement parameters automatically

  • testo 770 clamp meter: Get a good grip on cables – even when things are tight

  • testo 750 voltage tester: Easy to read from any position

  • testo 755 current/voltage tester: A voltage tester that also measures current

  • testo 745 non-contact voltage tester: Filters high-frequency interference

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Product brochure

Electrical measuring instruments

testo Smart App

Welcome to the testo Smart World: The whole world in one App.

Faster, easier, smarter: The testo Smart App brings all tools and measurements together - and documentation can also be dealt with conveniently using a smartphone or tablet. Benefit from intelligent connectivity and the unique all-in-one solution for all applications. So that not only the jobs on all heating systems are carried out smartly and effortlessly.

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Parallel measurement

Efficient and safe

Documentation

Uncomplicated and safe

Customer data management

Quick and easy

Data transfer

Professional and comfortable

Second Screen

Simply comfortable

Remote Control

Simple and flexible

Other applications

Flue gas analysis

Exhaust and flue gas measurement on heating systems and other small combustion plants is used to determine the level of pollutants emitted and the heat energy lost.

  • The atmosphere should be contaminated by pollutants as little as possible.

  • Energy should be used as efficiently as possible.

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All about heating measuring technology

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Our services

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Do you have any queries, or would you like a personal consultation?
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Customer Service

If you experience any malfunctions, please send in your measuring instrument with a brief description of the fault. Please also give us your telephone number for any inquiries. Normally, you’ll get your measuring instrument back within one week.

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Calibration

Our subsidiary company Testo Industrial Services supports you daily in ensuring quality while always adhering to the relevant norms and guidelines. You get all the services you need from one provider.

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Find all the latest news, tools and trends: get our free HVAC/R magazine and find out everything about the big trends in industry. Benefit from exclusive professional tips, and gain fascinating insights into the testo Smart World.

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The top trends in the industry

Special report: heat transition

Exclusive professional tips

Automation vision

And lots more!