Order code. 0560 4401
- Intuitive: clearly structured measurement menus for volumetric flow rate, turbulence level, cooling/heating output, mold detection and long-term CO₂ measurement
- Wireless: Bluetooth® probe for added measuring convenience (order option)
Order code. 0635 9532
- Intuitive: parallel determination of air velocity, volume flow and humidity
- Accurate: accurate measurement results with measuring range from +0.6 to +50 m/s
Technical specifications of testo 440 wind velocity meter
testo 440 – Airspeed and IAQ measuring instrument (0560 4401)
| Temperature – NTC | |
|---|---|
| Measuring range | -40 to +150 °C |
| Accuracy | ±0.4 °C (-40 to -25.1 °C)
±0.3 °C (-25 to +74.9 °C) ±0.4 °C (+75 to +99.9 °C) ±0.5 % measurement value (Remaining measurement range) |
| Resolution | 0.1 °C |
| Temperature – TC Type K (NiCr-Ni) | |
|---|---|
| Measuring range | -200 to +1370 °C |
| Accuracy | ±(0.3 °C + 0.3 % measured value) |
| Resolution | 0.1 °C |
| General specifications | |
|---|---|
| Weight | 250 g |
| Size | 154 x 65 x 32 mm |
| Operating temperature | -20 to +50 °C |
| Product color | black/orange |
| Connectable probe | 1x cable digital probe or 1x TUC type NTC temperature probe,
1x digital Bluetooth probe or testo smart probe, 1x TC Type K temperature |
| Battery type | 3x AA migron 1.5V |
| Battery life | 12 o'clock |
| Connection interface | Bluetooth®; USB |
| Storage temperatures | -20 to +50 °C |
Propeller probe (Ø 16 mm, digital) – cable (0635 9532)
| Velocity/Volume Flow | |
|---|---|
| Measuring range | 0.6 to 50 m/s |
| Accuracy | ±(0.2 m/s + 1 % measured value) (0.6 to 40 m/s)
±(0.2 m/s + 2 % measured values) (40.1 to 50 m/s) |
| Resolution | 0.1 m/s |
| General specifications | |
|---|---|
| Storage temperatures | -10 to +70 °C |
| Weight | 150 g |
| Size | 330 x 16 x 16 mm |
| Operating temperature | -10 to +70 °C |
| Cable length | 1.7 m |
| Tele probe length | 850mm |
| Probe diameter | 16 mm |
| Diameter of telephoto tube | 12mm |
| Product color | Black; silver |
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