Testo 400 un 440 higrotermometra zonde 0636 9731
- The probe is able to measure air flow with very high accuracy.
- Integrated telescope, which allows the probe to be extended to a length of 850 mm and easy to take measurements.
- Especially suitable for measuring air flow in ventilation pipes and shafts.
Measuring range for temperature: -20...+70°C
Resolution for temperature: 0.1°C
Temperature accuracy: ±0.5°C
Measuring range for pressure: +700...+1000 hPa
Resolution for pressure: 0.1 hPa
Accuracy for pressure: ±3.0 hPa
Measuring range for air flow: 0...30 m/s
Resolution for air flow: 0.01 m/s
Accuracy for air flow in the range 0...20 m/s: ±(0.03 m/s + 4% of the measured value)
Accuracy for air flow in the range 20.01...30 m/s: ±(0.5 m/s + 5% of the measured value)
Operating temperature: -20...+70°C
Storage temperature: -20...+70°C
Dimensions: 315×12×12 mm
Telescope max. length: 850 mm
Probe head diameter: 9 mm
Telescope diameter: 12 mm
Probe diameter: 12 mm
Cord length: 1.7 m
Weight: 90g
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