This manual provides operating instructions, safety guidelines, technical specifications, and maintenance procedures for the testo 870 thermal imager.
The testo 870 is a portable and durable thermal imager designed for non-contact surface temperature measurement and distribution display. It is suitable for applications in building inspection, production monitoring, and preventive maintenance. The device features an infrared resolution of 160 x 120 pixels and a spectral range of 7.5 - 14 µm. This manual is written in Chinese.
| Infrared Resolution | 160 x 120 pixels (FPA, amorphous silicon) |
|---|---|
| Thermal Sensitivity (NETD) | <100 mK @ 30 °C |
| Field of View (FOV) | 34° x 26° |
| Spectral Range | 7.5 - 14 µm |
| Display | 8.9 cm (3.5") TFT, QVGA (320 x 240 pixels) |
| Battery Type | Lithium-ion rechargeable battery 2500 mAh / 3.7 V |
| Operating Temperature | -15 - 50 °C |
| Weight | 550 g (with battery) |
The minimum focusing distance is less than 0.5 meters.
If the battery is fully discharged, it takes approximately 5 hours to charge fully.