The new testo 862 – professional thermography in a compact design.

Clear thermal images right when you need them.
The testo 862 combines high image quality, intelligent analysis functions, and a convenient pocket-sized design. The camera is ready to use in seconds and helps you quickly identify temperature anomalies, analyze the results, and document your work. With wireless connectivity to compatible instruments, you can easily supplement the thermal images with additional measurement data for better decision-making.
High image quality
High resolution and high thermal sensitivity deliver sharp, detailed thermal images. The Fusion feature combines the thermal image with a standard visual image for a clearer and easier-to-interpret analysis.
Intuitive Operation
The smartphone-inspired interface makes the testo 862 easy to use right from the start. Capture and save thermal images in seconds for faster and smoother work.
Quick Diagnostics
Smart features such as alarms, DeltaHeat calculation, identification of hot and cold spots, and intelligent mold analysis help you identify anomalies faster and simplify your work.
Professional performance for all applications.
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Heat
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Cooling System
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Electrical Systems
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Moisture & Mold
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Leak
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Mechanical Equipment
Heat
Heat
Visualize the heat distribution in a component in just a few seconds. Identify cold spots, uneven heating, and other anomalies immediately with a clear thermal image—without time-consuming measurements.
Cooling System
Cooling System
Detect faults in refrigeration systems before they lead to downtime. With a thermal imaging camera, you can easily identify overheating, uneven refrigerant distribution, blockages, and other temperature anomalies—all with a single, quick inspection.
Electrical Systems
Electrical Systems
Detect overheated fuses, connection points, motors, and electrical panels before they cause downtime or damage. With a thermal imaging camera, you can quickly and non-contact identify temperature anomalies.
Moisture & Mold
Moisture & Mold
The risk of mold can be detected long before it becomes visible. With a thermal imaging camera, you can quickly identify thermal bridges, cold surfaces, and areas where moisture accumulates. When used with the testo 605i moisture sensor, the risk of mold is automatically calculated and displayed using a clear traffic-light indicator.
Leak
Leak
With the testo 862, you can quickly detect hidden water leaks and other defects without having to open up walls, floors, or ceilings.
Mechanical Equipment
Mechanical Equipment
Identify abnormal heat generation in engines, bearings, shafts, and other mechanical components before problems arise. This makes preventive maintenance both easier and more effective.
Explore the testo 862
Seamless connectivity for better decision-making.
Connect the testo 605i moisture sensor and the testo 770-3 current clamp wirelessly to the thermal imager. Measurement values from the connected instruments are displayed alongside the thermal image, providing a better basis for decision-making during inspections and troubleshooting.

The thermal imaging camera that feels like a smartphone.
Save time, get a better overview, and improve the quality of your inspections—the user-friendly interface makes the testo 862 a reliable tool when time is tight.
The smartphone-inspired interface with a touchscreen and intuitive navigation makes the camera quick to use, even during stressful workdays. Key functions are always close at hand, ensuring an efficient workflow out in the field.
Professional reports.
Create professional reports from your thermal images using the free testo IRSoft software. The software makes it easy to analyze, document, and share the results of your inspections.
In 2027, the testo 862 is also expected to be compatible with the testo Smart App.
How can I help you?
Please feel free to contact us if you’d like to learn more or need help choosing the right measuring instrument for your business.
