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Testo 420 – air capture hood

Availability:

15 in stock


  • Air capture hood for larger swirl outlets for measuring air capture, temperature and relative humidity
  • Impressively light with a weight of 2.9 kg
  • Precise measurement even at swirl outlets thanks to integrated air capture straightener
  • Fast set-up, convenient operation and protocol creation on site using the App

245,000.00  292,000.00 

15 in stock

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Product Description

The testo 420 air capture hood for larger air inlets and outlets enables fast and precise compliance with hygiene guidelines and requirements concerning room air quality. It provides reliable support with the calculation of the overall air capture on HVAC systems, for instance in hospitals, office buildings or commercial buildings.

  • Air capture hood for larger swirl outlets for measuring air capture, temperature and relative humidity
  • Impressively light with a weight of 2.9 kg
  • Precise measurement even at swirl outlets thanks to integrated air capture straightener
  • Fast set-up, convenient operation and protocol creation on site using the App

Technical Data

Temperature - NTC

Measuring range

-20 to +60 °C

Accuracy

±0.8 °C (-20 to +0 °C)
±0.5 °C (0 to +60 °C)

Resolution

0.1 °C

Reaction time

45 s (t90)

Humidity - Capacitive

Measuring range

0 to 100 %RH

Accuracy

±1.0 %rF/year Drift
±0.03 %RH/K (at 0 to 60 °C )
±1.8 %RH +3 % of mv (at 25 °C, 5 % to 80 %RH)
±1.0 %rF Hysterese

Resolution

0.1 %RH

Differential Pressure - Piezoresistive

Measuring range

-120 to +120 Pa

Accuracy

±2 % of mv + 0.5 Pa at +22 °C, 1013 hPa

Resolution

0.001 Pa

Reaction time

1 s (t90)

Downloads

Technical Datasheets – Testo 420 – air capture hood

Technical Manual – Testo 420 – air capture hood

Delivery Scope

The Testo 420 air capture hood comes with a measurement device, a 610 x 610 mm hood, five tension rods, a USB cable, batteries, a cart and a calibration procedure.

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