With an intuitive touch display and intelligently designed operation, the testo 400 helps you to carry out all measurements faster and more efficiently than ever before.
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Preventive maintenance is one of the challenging tasks in every industrial company.
Regular inspections and efficient adjustments of production and ventilation plants ensure smooth production without downtimes, and secure, norm-compliant processes – and all this while constantly reducing energy costs as far as possible.
Truly smart measurement technology in preventive maintenance
With an intuitive touch display and intelligently designed operation, the testo 400 helps you to carry out all measurements faster and more efficiently than ever before.
In the online configurator, you can find out quickly and easily which combination of measuring instrument, probe and accessories best suits your requirements.
Detect thermal anomalies in time.
Measure current, voltage and resistance safely and precisely.
