The testo 870 thermal imager datasheet provides specifications, accessories, and technical details for the professional infrared camera.
The testo 870 thermal imager is designed for heating engineering, building trade, maintenance and facility management. It offers a 34° lens, integrated digital camera and SuperResolution technology that upgrades the native 160 × 120 px infrared resolution to 320 × 240 px.
The datasheet lists technical data such as infrared resolution, thermal sensitivity, battery life, weight, IP54 protection class and available accessories like transport cases, extra Li‑ion batteries and charging stations.
| Infrared resolution | 160 × 120 px (SuperResolution to 320 × 240 px) |
|---|---|
| Thermal sensitivity | <100 mK at +30 °C |
| Lens field of view | 34° × 26° |
| Display | 3.5" LCD with 320 × 240 px |
| Weight | 550 g |
| Battery type | Li‑ion rechargeable, exchangeable on site |
| Operating temperature range | -15 °C to +50 °C |
| Protection class | IP54 |
The native infrared resolution is 160 × 120 px, and SuperResolution technology can increase it to 320 × 240 px.
The built‑in Li‑ion battery provides up to 4 hours of operating time.
The thermal sensitivity is less than 100 mK at +30 °C.
The instrument weighs 550 g.