testo 862-2 Thermal Imaging Camera 256 x 192 IR Resolution 25 Hz 0560 8622

With a 256 x 192 pixel infrared detector and a thermal sensitivity below 60 mK, the testo 862-2 captures sharp thermal images for building diagnostics, electrical inspections and HVAC troubleshooting. The fixed-focus lens and 25 Hz refresh rate deliver smooth, detailed radiometric JPEGs that can be analysed in the Testo Thermography App.

Overview

The testo 862-2 is a handheld thermal imaging camera with a 3.5-inch display (320 x 240 pixels) and a temperature range of -30 to +550 °C. Its fixed focus and 31° x 23° field of view make it easy to scan large areas quickly, while the rechargeable Li-ion battery provides about 4 hours of operation.

What stands out

• High thermal sensitivity (< 60 mK) reveals even small temperature differences.
• Radiometric JPEG images allow full post-processing on a PC or mobile device.
• WLAN connectivity enables remote control and live image transfer via the Testo Thermography App.
• IP54 protection and a robust design suit demanding field use.

Technical details

• Infrared resolution: 256 x 192 pixels
• Thermal sensitivity (NETD): < 60 mK
• Temperature range: -30 to +550 °C
• Accuracy: ±2 °C or ±2 % of reading
• Field of view: 31° x 23°
• Image refresh rate: 25 Hz
• Display: 3.5-inch, 320 x 240 pixels
• Focus: fixed focus
• Spectral range: 7.5 to 14 µm
• Emissivity adjustment: 0.01 to 1.00
• Image format: JPEG (radiometric)
• Internal memory: 2.8 GB (approx. 600 images)
• Connectivity: USB 2.0, WLAN
• Battery: rechargeable Li-ion, approx. 4 hours life
• Protection class: IP54
• Operating temperature: -15 to +50 °C

Our verdict

The testo 862-2 offers professional-grade thermal imaging in a compact, easy-to-use package. Its high sensitivity and radiometric image format make it a reliable tool for preventive maintenance and energy audits.