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Testo is committed to help you work smarter, not harder. The Smart World of Testo connects your measurement technology to the digital world – here’s how.

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It’s time to upgrade your tools. The testo smart refrigeration set and testo 557 digital refrigeration gauge are two gadgets that make technician’s lives easier.

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Moving from analogue refrigeration gauges to modern digital alternatives is a great way to ensure accuracy, reliability and versatility.

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