If you’re an HVAC/R contractor or technician, then the testo Smart Probe Kit is the ultimate tool for you. This efficient set offers precise measurements and calculations for heating and cooling systems, all conveniently accessible through the testo Smart Probes App. The kit includes the testo 115i wireless thermometer, perfect for quick and reliable temperature readings of pipes with its flexible grip. The Testo 605i thermohygrometer allows for remote temperature measurements in various spaces, while the testo 549i pressure meter provides accurate readings for high and low pressure. With its Bluetooth capabilities and customizable reports, this kit is a game-changer in the field of HVAC/R testing and load evaluation.

Why Consider This Product?
If you’re in need of precise measurements and calculations for heating and cooling systems, then the testo Smart Probe Kit is the perfect solution for you. This efficient kit is specifically designed for HVAC/R contractors and technicians, ensuring accuracy and reliability in your work. Scientific research and evidence support the effectiveness of the testo Smart Probe Kit, making it a trusted choice for professionals in the industry. Additionally, the kit includes the testo 115i, 549i, and 605i probes, which are known for their outstanding performance and functionality.
Certifications and endorsements further enhance the credibility of this product. The testo Smart Probe Kit has been tested and approved by industry professionals, ensuring that it meets the highest standards of quality and performance. Customer testimonials also speak highly of this product, with many praising its ease of use, reliability, and accuracy. By choosing the testo Smart Probe Kit, you can have peace of mind knowing that you are investing in a product that has been proven to deliver exceptional results.
Features and Benefits
Wireless Thermohygrometer (testo 605i)
The testo 605i is equipped with a bendable probe head, enabling remote temperature measurements in various locations such as rooms, ducts, crawl spaces, and registers. This feature allows for easy access to hard-to-reach areas, making your job more efficient. With its wireless capabilities, you can effortlessly monitor temperature readings in real-time, ensuring optimal comfort and performance in heating and cooling systems.
Wireless Thermometer (testo 115i)
With a grip of up to 1.5 inches, the testo 115i wireless thermometer provides quick and reliable temperature, flow, and return temperature measurements of pipes. Its wireless connectivity allows for easy monitoring and tracking of temperature variations, ensuring proper functioning of heating and cooling systems. The testo 115i is designed to withstand demanding environments, making it a durable and long-lasting tool for HVAC/R professionals.
Pressure Meter (testo 549i)
The testo 549i pressure meter enables accurate readings for both high and low pressure. Its 45-degree connector simplifies servicing and troubleshooting, eliminating the need for additional hoses. This feature saves time and enhances efficiency during maintenance tasks. The testo 549i is a reliable and precise tool that ensures accurate pressure measurements, making it an essential part of any HVAC/R professional’s toolkit.
Smart App
The testo Smart Probe Kit comes with a free app that enhances its functionality and usability. The testo Smart Probes App allows you to remotely read and log measurements, creating custom reports that can be saved and shared. This feature improves workflow and simplifies data management, saving you time and effort. The app also provides valuable insights and analysis, allowing you to make informed decisions about your heating and cooling systems.


Product Quality
The testo Smart Probe Kit is known for its exceptional quality. Each component of the kit, including the testo 115i, 549i, and 605i probes, is made with durable materials to withstand the demands of HVAC/R work. The probes deliver precise measurements and calculations, ensuring accuracy in your tasks. The testo Smart Probe Kit has undergone rigorous testing and meets industry standards, guaranteeing its reliability and performance. When you choose the testo Smart Probe Kit, you are investing in a product of superior quality that will consistently deliver outstanding results.
What It’s Used For
The testo Smart Probe Kit is a versatile tool used for various HVAC/R applications. Here are some of the common uses for each probe in the kit:
Wireless Thermohygrometer (testo 605i)
- Remote temperature measurements in rooms, ducts, crawl spaces, and registers
- Monitoring and adjusting humidity levels for optimal comfort and system performance
Wireless Thermometer (testo 115i)
- Temperature, flow, and return temperature measurements of pipes
- Checking temperature differentials to ensure proper system operation
Pressure Meter (testo 549i)
- Accurate high and low-pressure readings for system troubleshooting
- Monitoring and optimizing system performance

Product Specifications
| Product | Measurement Range | Accuracy | Battery Life | Connectivity |
|---|---|---|---|---|
| testo 605i | -20 to +60°C | ±0.5 °C | Up to 150 hours | Bluetooth |
| testo 115i | -20 to +120°C | ±0.5 °C (0 to +40°C) / ±1.0 °C (remaining range) | Up to 140 hours | Bluetooth |
| testo 549i | -1 to 60 bar | ±0.5% of full scale (0 to 10 bar) / ±1% of full scale (> 10 bar) | Up to 150 hours | Bluetooth |
Who Needs This
The testo Smart Probe Kit is a must-have tool for HVAC/R contractors and technicians. Whether you are installing, maintaining, or troubleshooting heating and cooling systems, this kit provides accurate measurements and calculations to ensure optimal system performance. The wireless capabilities and remote monitoring feature make it especially useful for professionals working in hard-to-reach areas or those who need real-time data access. With its durability, reliability, and precision, the testo Smart Probe Kit is an essential tool for anyone in the HVAC/R industry.

Pros and Cons
Pros:
- Precise measurements and calculations for accurate system diagnostics
- Wireless connectivity for remote monitoring and real-time data access
- Durable and reliable probes for long-lasting performance
- User-friendly app for easy measurement logging and report generation
- Versatile applications for various HVAC/R tasks
Cons:
- Initial investment cost may be higher compared to individual probes
- Requires familiarity with smartphone apps for optimum utilization
FAQ’s
Can I use the testo Smart Probe Kit with other measurement devices?
- The testo Smart Probe Kit is designed to work seamlessly with its included probes. Compatibility with other devices may vary and is not guaranteed.
How long is the battery life of the probes?
- The battery life of the testo 605i, 549i, and 115i is up to 150, 150, and 140 hours, respectively.
Can I save and share the measurement data recorded using the testo Smart Probes App?
- Yes, the testo Smart Probes App allows you to save and share custom reports containing your measurement data.
Are the probes durable enough for demanding HVAC/R tasks?
- Yes, the testo Smart Probe Kit is built with high-quality materials to withstand the demands of HVAC/R work.

What Customers Are Saying
Customers have been highly satisfied with the testo Smart Probe Kit. They praise its accuracy, reliability, and user-friendly app. Many have mentioned that the wireless capabilities and remote monitoring feature have greatly improved their efficiency on the job. Customers also appreciate the durability of the probes, which withstand the demanding nature of HVAC/R work.
Overall Value
The testo Smart Probe Kit offers excellent value for HVAC/R contractors and technicians. With its precise measurements, wireless connectivity, and user-friendly app, this kit enhances efficiency and accuracy in heating and cooling systems. The durability of the probes ensures long-lasting performance, making the testo Smart Probe Kit a worthwhile investment for professionals in the industry.

Tips and Tricks For Best Results
Here are some tips and tricks for getting the best results with the testo Smart Probe Kit:
- Familiarize yourself with the testo Smart Probes App to fully utilize its features for remote monitoring and data logging.
- Calibrate the probes regularly to maintain accuracy.
- Keep the probes clean and store them properly when not in use to prolong their lifespan.
- Take advantage of the bendable probe head of the testo 605i for easy access to hard-to-reach areas.
Final Thoughts
Product Summary
The testo Smart Probe Kit, consisting of the testo 115i, 549i, and 605i probes, offers precise measurements and calculations for heating and cooling systems. It is designed for HVAC/R contractors and technicians, providing reliable and accurate results. The wireless connectivity and user-friendly app make it an essential tool for professionals in the industry.
Final Recommendation
If you’re in the HVAC/R industry and require accurate measurements and calculations, the testo Smart Probe Kit is an excellent choice. With its exceptional performance, durability, and ease of use, this kit enhances productivity and ensures optimal system performance. Invest in the testo Smart Probe Kit to elevate your HVAC/R work to the next level.

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