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Download: testo 440, 440 dP Air velocity & IAQ measuring instruments Data Sheet
testo 440
Air velocity & IAQ measuring instrument, 3 x AA batteries, USB cable and calibration protocol.
Part no. 0560 4401
testo 440 dP
Air velocity & IAQ measuring instrument with integrated differential pressure sensor, connection hose, 3 x AA batteries, USB cable and calibration protocol.
Part no. 0560 4402
- Intuitive: clearly structured measurement menus for the most important applications stored on the instrument
- Wireless: Bluetooth probes for greater measuring convenience and a reduced tangle of cables in the case
- Space-saving: a universal handle for all probes
- Clear overview: parallel display of 3 measuring values; configuration and results at a glance
- Reliable: internal memory for up to 7500 measurement protocols, USB interface for data export and optional printout of measuring values
Technical data
| testo 440 | testo 440 dP | |
| Temperature (NTC) | ||
| Measuring range | -40 to +150 °C | |
| Accuracy (±1 digit) | ±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% of m.v. (remaining meas. range) |
|
| Resolution | 0.1 °C | |
| Temperature (TC) | ||
| Measuring range | -200 to +1370 °C | |
| Accuracy (±1 digit) | ±(0.3 °C + 0.3% of m.v.) | |
| Resolution | 0.1 °C | |
| Temperature (Pt100) | ||
| Measuring range |
See probe data |
|
| Accuracy (±1 digit) | ||
| Resolution | ||
| Differential pressure | ||
| Measuring range |
– |
-150 to +150 hPa |
| Accuracy (±1 digit) | ±0.05 hPa
(0 to +1.00 hPa) ±0.2 hPa + 1.5% of m.v. (+1.01 … +150 hPa) |
|
| Resolution | 0.01 hPa | |
| Probe connections | ||
| TC type K | 1x | |
| NTC TUC / digital probe with cable | 1x | |
| Bluetooth probe |
1x digital Bluetooth probe or testo Smart Probe |
|
| Differential pressure | – | + |
| Technical data | ||
| Operating temperature | -20 to +50 °C | |
| Storage temperature | -20 to +50 °C | |
| Battery type | 3 x AA batteries | |
| Battery life | 12 h (typically vane measurement) | |
| Weight | 250 g | |
| Dimensions | 154 x 65 x 32 mm | |
| ยี่ห้อ | TESTO |
|---|
