This manual is an integral part of the latest generation Testo air velocity & IAQ probes with Bluetooth® handle.
This document is the instruction manual for the latest generation of Testo air velocity and indoor air quality (IAQ) probes equipped with a Bluetooth handle. The system includes various probe heads such as hot wire, vane, and CO2 sensors designed for use with the testo 440 measuring instrument. It provides detailed information on system description, instrument structure, and specific applications for different probe types.
| Bluetooth range | 20 m (free field) |
|---|---|
| Battery life (Hot wire probe) | 21.5 h |
| Battery life (Vane probe Ø 16 mm) | 70 h |
| Battery life (High-precision vane probe) | 60 h |
| Operating temperature (Handle) | 0 to +50°C |
| Storage temperature (Handle) | -10°C to +50°C |
| Warranty duration | 2 years |
The handle should not be exposed to temperatures in excess of 50°C (122°F) unless expressly authorized for use at higher temperatures.
No, please do not use the humidity probes in condensing atmospheres.
Adjustment should be done in a free jet with a diameter of 350 mm and a reference pressure of 1013 hPa.