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Humidity & Temperature

These probes measure humidity and temperature in rooms, ducts, and chambers and are mainly used by HVAC/R technicians and contractors. Find a wide selection of these probes to fit your application.


Testo 0554 0191 Wireless Handle for Plug-in Probe Heads -

Sale Price $117.30 USD
Regular Price $138.00 USD
Availability 1 in Stock

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Testo 605i Thermo-hygrometer Smart and Wireless Probe-

Sale Price $84.15 USD
Regular Price $99.00 USD
Availability 10+ in Stock

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Testo 805i Infrared Thermometer Smart and Wireless Probe-

Sale Price $84.15 USD
Regular Price $99.00 USD
Availability 4 in Stock

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Testo 905i Thermometer Smart and Wireless Probe-

Sale Price $67.15 USD
Regular Price $79.00 USD
Availability 9 in Stock

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Testo 205 pH/°F Meter Starter Kit-

Sale Price $359.55 USD
Regular Price $423.00 USD
Availability 2 in Stock

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Testo 206 Compact pH Tester for Semi-Solid Substances, pH2-

Sale Price $238.85 USD
Regular Price $281.00 USD
Availability 1 in Stock

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Testo 0602 0393 Surface Probe, Spring-loaded, Type K TC-

Sale Price $127.50 USD
Regular Price $150.00 USD
Availability 3 in Stock

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Testo 0602 0645 Flexible Bead Tip Probe, 60", Type K TC, Fiberglass-

Sale Price $29.75 USD
Regular Price $35.00 USD
Availability 3 in Stock

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Testo 0602 1293 Waterproof Immersion/Penetration Probe, Type K TC-

Sale Price $43.35 USD
Regular Price $51.00 USD
Availability 9 in Stock

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Testo 0602 1793 Air Probe, Type K TC-

Sale Price $58.65 USD
Regular Price $69.00 USD
Availability 1 in Stock

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Testo 0602 2693 Waterproof Immersion/Penetration Probe, Type K TC-

Sale Price $121.55 USD
Regular Price $143.00 USD
Availability 2 in Stock

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Testo 0602 5792 Flexible Immersion Probe, 20", Type K TC-

Sale Price $29.75 USD
Regular Price $35.00 USD
Availability 1 in Stock

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Testo 0613 1212 Waterproof Immersion/Penetration Probe, NTC-

Sale Price $71.40 USD
Regular Price $84.00 USD
Availability 3 in Stock

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Testo 0613 1712 Air Probe for Refrigeration System Analyzer-

Sale Price $72.25 USD
Regular Price $85.00 USD
Availability 5 in Stock

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Testo 0613 4611 Pipe Wrap Probe for Refrigeration System Analyzer-

Sale Price $84.15 USD
Regular Price $99.00 USD
Availability 8 in Stock

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Testo 0613 5505 Clamp Probe for Refrigeration System Analyzer-

Sale Price $48.45 USD
Regular Price $57.00 USD
Availability 10+ in Stock

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Testo 0636 2161 Humidity Probe, 0.47" Long-

Sale Price $584.80 USD
Regular Price $688.00 USD
Availability 3 in Stock

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Testo 0636 9735 Duct Humidity & Temperature Probe-

Sale Price $364.65 USD
Regular Price $429.00 USD
Availability 4 in Stock

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Testo 206 Compact pH Tester for Use with External Probes, pH3-

Sale Price $114.75 USD
Regular Price $135.00 USD
Availability 1 to 2 Weeks

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Testo 0602 2292 Waterproof Food Probe, SS, Type K TC-

Sale Price $84.15 USD
Regular Price $99.00 USD
Availability 2 to 3 Weeks

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