The testo 865 thermal imager offers professional technology and concentrates on functions which are needed in a contractor’s daily work. The testo 865 is a user-friendly thermal imager, optimized for fast and efficient work. With the testo ScaleAssist functions ensuring optimum setting of the thermal image scale for building thermography and the IFOV warner making sure you avoid measurement errors, you will always generate the perfect infrared image.
Areas of application of the testo 865 thermal imager
Detect leaks, identify overheated connections, pinpoint thermal bridges or detect structural defects. The testo 865 thermal imager is ideal for applications in daily maintenance and installation work in trade and industry. It enables time-saving quality assurance and ensures reliable production control.
Technical highlights of the testo 865 thermal imager.
The testo 865 thermal imager stands out thanks to its easy operation and has the following impressive technical features:
Very good image quality due to high resolution: 19,200 temperature measuring points ensure precise thermography. Infrared resolution of 160 x 120 pixels – via integrated SuperResolution Technology 320 x 240 pixels.
Visualize temperature differences from 0.12°C.
Critical temperature conditions are directly displayed via automatic hot-cold spot recognition.
The IFOV warner means the distance from the measurement object / measurement spot size is determined and the measurement spot is shown on the thermal image – you therefore avoid measurement errors because the camera shows you exactly what you can measure.
Pro software for image evaluation on the PC
You can choose to save thermal images as JPEGs.
testo 865 thermal imager, including USB cable, mains unit, lithium-ion rechargeable battery, IRSoft professional software (free download), commissioning instructions, short instructions, calibration protocol and case.
| General technical data | |
| Product colour | Black |
| Display ligthing | bright / normal / dark |
| Ambient Condition Operating temperature | -15 to +50 °C |
| Storage temperature | -30 to +60 °C |
| Air humidity | 20 to 80 %RH non-condensing |
| Housing protection class | IP54 |
| Vibration | 2G |
| Image output visual Image size | at least 3.1 MP |
| Minimum focus distance | 0.5 m |
| Image presentation Display type | 8.9 cm (3.5″) TFT, QVGA (320 x 240 pixels) |
| Display option | IR image / real image |
| Colours | 4 (iron, rainbow, cold-hot, grey) |
| Imager equipment | Full screen mode, JPEG storage, Video streaming via Wi-Fi with testo Thermography App. |
| Standard lens | 31° x 23° Digital camera Included |
| Vibration | USB 2G |
| Imager storage | File format image .bmt; .jpg; export option in .bmp; .jpg; .png; .csv; .xls |
| Storage device | Internal Memory (2.8 GB) |
| Infrared image output Spectral range | 7.5 to 14 µm |
| Infrared resolution | 160 x 120 pixel |
| Thermal sensitivity | 100 mK |
| Field of view | 31° x 23° |
| Minimum focus distance | <0.5 m |
| Geometric resolution (IFOV) | 3.4 mrad |
| SuperResolution (Pixel) | 320 x 240 pixels |
| SuperResolution (IFOV) | 2.1 mrad |
| Image refresh rate | 9 Hz |
| >Measuring range | -30 to +100°C; 0 to +650°C |
| >Accuracy | ±2 °C, ±2 % of m.v. |
| >Emissivity | 0.01 to 1 |
| >Reflected temperature | manual testo ε-Assist included, measuring function solar mode- manual. |
| Input solar radiation | Analysis function Mean point measurement, hot/cold-spot recognition, Delta T, area measurement (min-max on area)Electrical mode – manual |
| PC software System requirements | Windows 10; Windows 8; Windows 7 |
| Physical specification | |
| Dimensions | 219 x 96 x 95 mm |
| Weight | 510 g |
| Product-/housing material | PC – ABS Power supply |
| Battery type | Fast-charging, Li-ion battery can be changed on-site |
| Operating time | 4.0 h |
| Mains operation | yes |
| Charging options In instrument / charger (optional) | EU-/EG-guidelines EMC: 2014/30/EU; |
