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    Measurement technology that sets standards.

    For temperature and climate control at the highest level.

    The optimal solution for every measurement

    For all industries where quality is a non-negotiable factor, Testo is your measurement technology partner of choice.

    Our short and long-term measurement solutions help you to ensure quality and seamlessly monitor processes in areas such as research and development, production, logistics and facility management:

    This enables you to meet the most stringent standards and take your efficiency and process reliability to a whole new level.

    Solutions for long-term measurement
    Solutions for short-term measurement

    Monitoring with foresight

    Long-term measurement technology that records every change

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    testo 175 data loggers

    The compact data loggers in the testo 175 series offer a wide range of benefits and are ideal for:

    • Long-term monitoring of temperature and relative humidity in work and storage areas

    • Long-term monitoring in cold stores and freezer facilities

    • Documentation of the transport temperature in trucks

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    testo 176 data loggers

    Thanks to their reliability, the data loggers in the testo 176 series are suitable for long-term use. Whether you need them for monitoring the temperature in cold stores or warehouses or for monitoring laboratory conditions – you will find the right solution for every application within this data logger series.

    The models with an integrated rugged metal housing are ideal for use in extreme conditions.

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    testo Saveris 2 wireless data logger system

    The testo Saveris 2 wireless data logger system offers a modern solution for monitoring temperature and humidity values. Easy installation and wireless data transmission via WLAN make set-up effortless. Readings are transmitted reliably and directly to the Testo cloud.

    All data can be accessed anytime, anywhere – with reliable alarms sent by SMS or e-mail when limits are exceeded.

    The ultimate one-stop solution: Environmental monitoring with testo Saveris 1

    testo Saveris 1 is based on the performance-related components sensors, software and services. The environmental monitoring system provides comprehensive support in four key areas:

    • Record and analyze critical environmental data.

    • Immediate alerts when thresholds are exceeded.

    • Optimize your processes.

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    Speed meets accuracy

    Short-term measurement technology that makes the difference

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    Accurate temperature measurement with the testo 735 series

    Discover the versatility and precision of the testo 735 series. With the testo 735-1 and the testo 735-2 you are ideally equipped for a wide range of applications. The large selection of optional probes offers flexibility and enables use in various industries, including electronics, food, chemical laboratories and more. With a large memory and data transfer function, these temperature measuring instruments are the perfect solution for challenging measurement situations.

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    testo 400 universal IAQ instrument

    The testo 400 is a versatile measuring instrument that meets all the requirements of air conditioning professionals – even in cleanrooms and laboratories. It allows all climate, ventilation and comfort parameters to be measured, analyzed and documented with just one instrument. With its high-quality measuring technology, intuitive measurement wizards, versatile documentation options and an expandable range of probes, the testo 400 is the ideal partner for your daily work.

    The testo 400 as a reference instrument

    You can avoid unnecessary costs and save time by checking the functionality of other measuring instruments yourself using the testo 400 reference instrument, instead of resorting to alternative solutions or risking data inaccuracies.

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    What you need to know – downloads with tips and background information

    Here you will find valuable expert knowledge to help you optimize your measurements and enhance your skills. Whether you're a beginner or a professional – our carefully selected content provides you with easy-to-understand and practice-based support.

    GxP Dictionary

    Online product finder

    Product consultant