This manual provides safety instructions, technical data, operation guides, and maintenance procedures for the Testo 870 thermal imager.
The Testo 870 is a handy, robust thermal imager designed for non-contact measurement and display of surface temperature distribution. It is suitable for building inspection, production monitoring, and preventive maintenance of electrical and mechanical systems. The device features an infrared resolution of 160 x 120 pixels and a spectral range of 7.5 - 14 µm.
| Infrared resolution | 160 x 120 pixels (FPA, amorphous silicon) |
|---|---|
| Thermal sensitivity (NETD) | <100 mK @ 30 °C |
| Field of view | 34° x 26° |
| Measurement range | -20 to 280 °C |
| Accuracy | ±2 °C , ±2 % of reading |
| Battery type | Li-Ion rechargeable battery 2500 mAh / 3.7 V |
| Operating temperature | -15 to 50 °C |
| Weight | 550 g (including battery) |
The camera is still in its warm-up period which takes approximately 90 seconds.
It indicates that the value is outside the measuring range and the extended display range with no guarantee of accuracy.
It should be disposed of via separate collection for electrical and electronic devices.