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Test Equipment

Testo's professional line of test equipment are designed for heating and refrigeration, ventilation, indoor air comfort, electrical testing and building maintenance applications. They also provide equipment for food safety in restaurants and food transport and storage. Find a wide selection of test equipment to fit your application.


Testo 0554 5570 Digital Manifolds, Valve Replacement Kit-

Sale Price $48.45 USD
Regular Price $57.00 USD
Availability 9 in Stock

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Testo 416 Digital Vane Anemometer with telescopic probe, 118.1 to 7874 fpm, 0.63"-

Sale Price $556.75 USD
Regular Price $655.00 USD
Availability 2 in Stock

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Testo 417 Digital Vane Anemometer, 59.1 to 3937 fpm, 0 to 58,857 CFM-

Sale Price $403.75 USD
Regular Price $475.00 USD
Availability 1 Week

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Testo 417 Digital Vane Anemometer Kit with measurement funnels, 59.1 to 3937 fpm, 0 to 259 CFM-

Sale Price $492.15 USD
Regular Price $579.00 USD
Availability 1 in Stock

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Testo 417 Digital Vane Anemometer Kit with measurement funnels and flow straightener, 59.1 to 3937 fpm, 0.1 to 118 CFM-

Sale Price $594.15 USD
Regular Price $699.00 USD
Availability 2 in Stock

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Testo 425 Digital Hot Wire Anemometer with telescopic probe, 0 to 5905 fpm, -4 to 158°F-

Sale Price $518.50 USD
Regular Price $610.00 USD
Availability 2 in Stock

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Testo 512-1 Digital Differential Pressure Gauge, 0 to 80 inH<sub>2</sub>O-

Sale Price $540.60 USD
Regular Price $636.00 USD
Availability 3 in Stock

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Testo 512-2 Digital Differential Pressure Gauge, 0 to 800 inH<sub>2</sub>O-

Sale Price $544.85 USD
Regular Price $641.00 USD
Availability 1 Week

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Testo 535 Digital CO<sub>2</sub> Measuring Instrument, 0 to 10,000 ppm-

Sale Price $505.75 USD
Regular Price $595.00 USD
Availability 1 Week

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Testo 545 Digital Lux Meter, 0 to 100,000 lux-

Sale Price $491.30 USD
Regular Price $578.00 USD
Availability 2 to 3 Weeks

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Testo 565i Smart Vacuum Pump with integrated decay test, 7 CFM-

Sale Price $626.45 USD
Regular Price $737.00 USD
Availability 8 in Stock

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Testo 565i Smart Vacuum Pump with integrated decay test, 10 CFM-

Sale Price $821.95 USD
Regular Price $967.00 USD
Availability 1 to 2 Weeks

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Testo 770-3 True RMS AC/DC Clamp Meter with Bluetooth<sup>®</sup>, 1000 V, 600 A-

Sale Price $301.75 USD
Regular Price $355.00 USD
Availability 1 Week

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Testo 770-3 Premium True RMS AC/DC Clamp Meter Kit with Bluetooth<sup>®</sup>, 1000 V, 600 A-

Sale Price $331.50 USD
Regular Price $390.00 USD
Availability 2 to 3 Weeks

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Testo 6621 Temperature and humidity transmitter-

The testo 6621 high-performance measurement transmitter is a dependable solution for building air conditioning applications. Offering excellent accuracy, long-term stability, and reliability, this transmitter meets the rigorous standards of building automation, helping to optimize efficiency and reduce costs.


Testo 6631 Temperature/humidity transmitter-

The testo 6631 temperature and humidity transmitter is specifically designed for use in greenhouses and laboratories, providing reliable monitoring of critical environmental conditions essential for biological research.


Testo 660X Series Digital Probe-

The testo 6651 rises to special challenges. Paired with the testo 660x probe series, it becomes the top choice for demanding air conditioning technology and a wide range of other applications.


Testo 661X Series Digital Probe-

Industrial humidity measurement requires top-tier professionalism, both in system operation and in the measuring technology itself. The testo 6681 industrial humidity transmitter, paired with the testo 661x probe series, meets these rigorous standards with ease.


Testo 6456 Compressed air meter DN65 – 250 (2½"" – 10")-

Efficiently monitor your compressed air consumption with the testo 6456 compressed air meter. Use it to detect leaks and track usage, allowing for better transparency and cost reduction. It's especially useful for large-diameter pipes (DN65-250).


Testo 6457 Compressed air meter DN65 – 250 (2½"" – 10")-

Monitor your compressed air consumption with precision using the testo 6457 compressed air meter. It helps detect leaks and allocate consumption, providing transparency and reducing costs. Ideal for large-diameter pipes (DN65-250).


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