| Testo | Air Velocity, Temperature | Testo 410-1 | 20m/s | ±2% + 0.2 m/s | 0.1m/s | NTC, Rotary Vane | +50°C | 0.1°C | ±0.5 °C | Battery | AAA x 2 | 100 h | 133 x 46 x 25mm | 110g | - | 25mm |
|
| Testo | Air Velocity, Differential Pressure, Humidity, Temperature, Volume Flow | 440 dP Air Flow ComboKit 1 with Bluetooth | 50m/s | ±1.5 % + 0.1 m/s (0.3 → 20 m/s) (Vane probe, Ø 100 mm), ±5 % + 0.5 m/s (0 → 20 m/s) (Hot wire probe) | 0.01m/s | Hot Wire, NTC, TC, Vane | +1370 (Temperature-TC) °C, +150 (Temperature-NTC) °C | 0.1°C | ±0.3 (-25 → +74.9 °C) °C, ±0.4 (+75 → +99.9 °C) °C, ±0.4 (-40 → -25.1 °C) °C, ±0.5 % | Battery | AA | 12 h | 154 x 65 x 32mm | 2.46kg | - | 32mm |
|
| Testo | Air Velocity, Temperature, Volume Flow | 425 | 30m/s | ±5% + 0.5 m/s | 0.01m/s | Telescopic Vane | +70°C | 0.1°C | ±0.5 °C | Battery | AA | 35 h | 135 x 60 x 28mm | 268g | - | 28mm |
|
| Testo | Air Velocity, Temperature, Volume Flow | 440 Hot Wire Kit | 30m/s | ±5 % + 0.5 m/s (0 → 20 m/s) | 0.01m/s | Hot Wire, NTC, TC | +1370 (Temperature-TC) °C, +150 (Temperature-NTC) °C | 0.1°C | ±0.3 (-25 → +74.9 °C) °C, ±0.4 (+75 → +99.9 °C) °C, ±0.4 (-40 → -25.1 °C) °C, ±0.5 % | Battery | AA | 12 h | 154 x 65 x 32mm | 1.4kg | - | 32mm |
|
| Testo | Air Velocity, Volume Flow | 440 16 mm Vane Kit | 50m/s | ±1 % + 0.2 m/s (0.6 → 40 m/s) | 0.1m/s | NTC, TC, Vane | +1370 (Temperature-TC) °C, +150 (Temperature-NTC) °C | 0.1°C | ±0.3 (-25 → +74.9 °C) °C, ±0.4 (+75 → +99.9 °C) °C, ±0.4 (-40 → -25.1 °C) °C, ±0.5 % | Battery | AA | 12 h | 154 x 65 x 32mm | 1.47kg | - | 32mm |
|
| Testo | Air Velocity, Temperature, Volume Air Flow | Testo 405 | 10m/s | ±5% + 0.3 m/s | 0.01m/s | NTC, Thermal | +50°C | 0.1°C | ±0.5 °C | Battery | AAA x 3 | 20 h | 490 x 37 x 36mm | 115g | - | 36mm |
|
| Testo | Air Velocity, Temperature, Volume Flow | 440 100 mm Vane Kit with Bluetooth | 35m/s | ±1.5 % + 0.1 m/s (0.3 → 20 m/s) | 0.01m/s | NTC, TC, Vane | +1370 (Temperature-TC) °C, +150 (Temperature-NTC) °C°C | 0.1°C | ±0.3 (-25 → +74.9 °C) °C, ±0.4 (+75 → +99.9 °C) °C, ±0.4 (-40 → -25.1 °C) °C, ±0.5 % | Battery | AA | 12 h | 154 x 65 x 32mm | 1.74kg | - | 32mm |
|
| Testo | Air Velocity, Temperature, Volume Flow | 417 Set 1 | 20m/s | ±1.5% + 0.1 m/s | 0.01m/s | Vane | +50°C | 0.1°C | ±0.5 °C | Battery | AA | 50 h | 570 x 450 x 420mm | 4700g | - | 420mm |
|
| Testo | Air Velocity, Temperature, Volume Flow | 417 Set 2 | 20m/s | ±1.5% + 0.1 m/s | 0.01m/s | Vane | +50°C | 0.1°C | ±0.5 °C | Battery | AA | 50 h | 570 x 450 x 420mm | 4700g | - | 420mm |
|
| Testo | Air Velocity, Temperature, Volume Flow | 440 Air Flow ComboKit 2 with Bluetooth | 50m/s | ±1.5 % + 0.1 m/s (0.3 → 20 m/s) (Vane probe, Ø 100 mm), ±1 % + 0.2 m/s (0.6 → +40 m/s) (Vane probe, Ø 16 mm) | 0.01 m/s, 0.1m/s | NTC, TC, Vane | +1370 (Temperature-TC) °C, +150 (Temperature-NTC) °C | 0.1°C | ±0.3 (-25 → +74.9 °C) °C, ±0.4 (+75 → +99.9 °C) °C, ±0.4 (-40 → -25.1 °C) °C, ±0.5 % | Battery | AA | 12 h | 154 x 65 x 32mm | 2.25kg | - | 32mm |
|
| Testo | Air Velocity, Temperature, Volume Flow | 440 Air Flow ComboKit 1 with Bluetooth | 35m/s | ±1.5 % + 0.1 m/s (0.3 → 20 m/s) (Vane probe, Ø 100 mm), ±5 % + 0.5 m/s (0 → 20 m/s) (Hot wire probe) | 0.01m/s | Hot Wire, NTC, TC, Vane | +1370 (Temperature-TC) °C, +150 (Temperature-NTC) °C°C | 0.1°C | ±0.3 (-25 → +74.9 °C) °C, ±0.4 (+75 → +99.9 °C) °C, ±0.4 (-40 → -25.1 °C) °C, ±0.5 % | Battery | AA | 12 h | 154 x 65 x 32mm | 2.18kg | - | 32mm |
|
| Testo | Air Velocity, Temperature, Volume Flow | 417 | 20m/s | ±1.5% + 0.1 m/s | 0.01m/s | Vane | +50°C | 0.1°C | ±0,5 °C | Battery | AA | 50 h | 236 x 108 x 45mm | 243g | - | 45mm |
|
| Testo | Air Velocity, Temperature, Volume Air Flow | Flügelrad-Sonde, Ø 100 mm | 15m/s | ±1.5% + 0.1 m/s | 0.01m/s | Rotary Vane | +70°C | 0.1°C | ±0.5 °C | - | - | - | 375 x 105 x 46mm | 360g | testo 440, testo 440 dP | 46mm |
|
| Testo | Air Velocity, Humidity, Temperature | Testo 410-2 | 20m/s | ±2% + 0.2 m/s | 0.1m/s | NTC, Rotary Vane | +50°C | 0.1°C | ±0.5 °C | Battery | AAA x 2 | 60 h | 133 x 46 x 25mm | 110g | - | 25mm |
