Force and mechanical measuring equipment
Perform a wide range of measurement tasks: use the testo 440dp air flow measuring kit to handle all relevant measurements in ventilation ducts and air outlets (on the floor or ceiling). This measuring equipment set includes: an integrated testo 440dp multifunction meter differential pressure sensor and two impeller probes (Ø 100 mm and Ø 16 mm); a temperature/humidity probe. All three of these probes can be connected handle Bluetooth® versatile. Both vane probes can be combined with the teletube included in the kit for more convenient ceiling wind measurements.
Temperature – NTC | |
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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) | |
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Measuring range | -200 to +1370 °C |
Accuracy | ±(0.3 °C + 0.3 % measured value) |
Resolution | 0.1 °C |
Differential pressure (internal sensor) – Piezoresistive | |
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Measuring range | -150 to +150 hPa |
Accuracy | ±0.05 hPa (0 to 1.00 hPa)
±0.2 hPa + 1.5 % measured value (1.01 to +150 hPa) |
Resolution | 0.01 hPa |
General specifications | |
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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 differential pressure sensor (integrated), 1x TC Type K temperature |
Battery type | 3 AA migron 1.5V batteries |
Battery life | 12 o'clock |
Connection interface | Bluetooth®; USB |
Storage temperatures | -20 to +50 °C |
General specifications | |
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Storage temperatures | -20 to +60 °C |
Weight | 360 g |
Size | 375 x 105 x 46 mm |
Operating temperature | -5 to +50 °C |
Probe diameter | 100 mm |
Product color | black/orange |
Battery type | 4 x AA batteries |
Battery life | 60 hours |
Connection protocol | Bluetooth® |
Bluetooth connection range | 20 m |
Temperature – NTC | |
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Measuring range | -20 to +70 °C |
Accuracy | ±0.5 °C |
Resolution | 0.1 °C |
Velocity/Volume Flow | |
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Measuring range | 0.3 to 35 m/s |
Accuracy | ±(0.1 m/s + 1.5 % measured value) (0.3 to 20 m/s)
±(0.2 m/s + 1.5 % measured value) (20.01 to 35 m/s) |
Resolution | 0.01 m/s |
Temperature – NTC | |
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Measuring range | -10 to +70 °C |
Accuracy | ±1.8 °C |
Resolution | 0.1 °C |
Velocity/Volume Flow | |
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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 | |
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Storage temperatures | -10 to +70 °C |
Weight | 60 g |
Size | 245 x 16 x 16 mm |
Operating temperature | -10 to +70 °C |
Probe shaft length | 230 mm |
Diameter of probe shaft | 16 mm |
Probe diameter | 16 mm |
Product color | Black |
Temperature – NTC | |
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Measuring range | -20 to +70°C |
Accuracy | ±0.5°C |
Resolution | 0.1°C |
Humidity – Capacitance | |
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Measuring range | 0 to 100% RH |
Accuracy | ± 2% RH (5 to 90% RH)
± 0.03% RH/K (k = 1) |
Resolution | 0.1% RH |
Please see additional accuracy information for humidity in the user manual.
General specifications | |
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Storage temperatures | -20 to +70 °C |
Weight | 30 g |
Size | 160 x 28 x 28 mm |
Operating temperature | -20 to +70 °C |
Probe shaft length | 140 mm |
Probe shaft diameter | 12mm |
Product color | Black |
General specifications | |
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Weight | 155 g |
Size | Telephoto tube: 375 x 17 x 16 mm
Angle: 65 x 65 x 15 mm |
Operating temperature | -5 to +50 °C |
Telephoto tube length | 1 meter |
Diameter of telephoto tube | 12mm |
Product color | Black |
Storage temperatures | -20 to +60 °C |
General specifications | |
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Weight | 1400 g |
Size | 516 x 135 x 256 mm |
Product color | Black |
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