testo 810 is a measuring instrument produced by testo, which can measure air temperature, surface temperature, humidity, etc.
Testo Ltd. offers portable measurement instruments for HVAC applications. The Testo 410-2 combines wind or air flow, temperature and humidity measurement in a single handheld device.
The leaflet lists the instrument's technical data, such as a flow velocity range of 0.4‑20 m/s, temperature range –10 °C to 50 °C, humidity range 0‑100 % rh, battery life of 60 h, and dimensions of 133 × 46 × 25 mm. It also details the accessories supplied with each unit.
| Flow velocity measuring range | 0.4 to 20 m/s |
|---|---|
| Temperature measuring range | -10 to 50 °C |
| Humidity measuring range | 0 to 100 %rh |
| Dimensions (incl. protective cap) | 133 x 46 x 25 mm |
The delivery includes a calibration protocol, wrist strap, belt holder, protective cap, and batteries.
The humidity range is 0 to 100 % rh.
It measures flow velocity from 0.4 to 20 m/s.