We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
Testo 440 - Air velocity and IAQ measuring instrument
P/N: 0560 4401
Temperature - NTC | |
---|---|
Measuring range | -40° to 302 °F / -40 to +150 °C |
Accuracy | ±0.7 °F (-40° to -13.2 °F) / ±0.4 °C (-40 to -25.1 °C) ±0.5 °F (-13° to 166.8 °F) / ±0.3 °C (-25 to +74.9 °C) ±0.7 °F (167° to 211.8 °F) / ±0.4 °C (+75 to +99.9 °C) ±0.5 % of mv (Remaining Range) |
Resolution | 0.1 °F / 0.1 °C |
Temperature - Type K TC | |
---|---|
Measuring range | -328.0° to 2498.0 °F / -200 to +1370 °C |
Accuracy | ±(0.5 °F + 0.3 % of mv) / ±(0.3 °C + 0.3 % of mv) |
Resolution | 0.1 °F / 0.1 °C |
General technical data | |
---|---|
Weight | 8.8 oz. / 250 g |
Dimensions | 6.1 x 2.6 x 1.3 in. / 154 x 65 x 32 mm |
Operating temperature | -4.0° to 122.0 °F / -20 to +50 °C |
Product colour | black/orange |
Connectable probes | 1 x digital probe with cable or 1 x Temperature NTC TUC, 1 x digital Bluetooth probe or testo Smart Probe, 1 x Temperature TC Type K |
Battery type | 3 x AA 1.5 V |
Battery life | 12 h (typically vane measurement) |
Interface | Bluetooth®; USB |
Storage temperature | -4.0° to 122.0 °F / -20 to +50 °C |
Humidity/temperature probe (digital) - with Bluetooth
P/N: 0636 9731
Temperature - NTC | |
---|---|
Measuring range | -4° to 158 °F / -20 to +70 °C |
Accuracy | ±0.9 °F / ±0.5 °C |
Resolution | 0.1 °F / 0.1 °C |
Humidity - Capacitive | |
---|---|
Measuring range | 0 to 100 %rH |
Accuracy | ±2 %rH (5 to 90 %rH) ±0.03 %rF/K (k=1) |
Resolution | 0.1 %rH |
Please see the additional accuracy information for humidity in the instruction manual. |
General technical data | |
---|---|
Storage temperature | -4° to 140 °F / -20 to +60 °C |
Weight | 5.8 oz. / 165 g |
Dimensions | 11.4 x 2.0 x 1.6 in. / 290 x 50 x 40 mm |
Operating temperature | 23° to 122 °F / -5 to +50 °C |
Length probe shaft | 5.512 in. / 140 mm |
Diameter probe shaft | 0.472 in. / 12 mm |
Product colour | black/orange |
Battery type | 4 x AA batteries |
Battery life | 140 h |
Data transfer | Bluetooth® |
- Long-term monitoring of indoor air quality
- Turbulence measurement in accordance with EN ISO 7730 / ASHRAE 55
- Convenience and maximum flexibility for duct and outlet measurements
- Range of probes for cleanrooms and laboratories