testo 400 air flow kit with 16 mm vane probe
testo 400 - universal air velocity and IAQ measuring instrument
testo 400 - universal air velocity and IAQ measuring instrument
testo 400 - universal air velocity and IAQ measuring instrument
testo 400 - universal air velocity and IAQ measuring instrument

Testo 400 air flow kit with hot wire probe

  • Standard-compliant determination of the volume flow in ducts using grid measurements as per EN ISO 12599 and ASHRAE 111
  • Determination of the volume flow at outlets by measuring the reference pressure and entering the manufacturer-specific K-factor
  • Smart, intuitive measurement programs, complete your measurement with full documentation on site at the customer’s premises or carry out further analysis using the testo DataControl measurement data management and analysis software
  • In the kit: testo 400 universal IAQ instrument, hot wire probe (with Bluetooth® handle and telescope), vane probe head (Ø 100 mm), high-precision humidity/temperature probe head, 90° angle, case
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Details

Product Description

Ideal kit for IAQ professionals, with a focus on air flow measurement. You will receive the testo 400 universal IAQ measuring instrument with intuitive measurement menus, one hot wire probe head (including temperature and humidity sensor), one vane probe head (Ø 100 mm) and one high-precision humidity/temperature probe head – all three can be attached to the Bluetooth® handle supplied. For measurements at ceiling outlets, simply combine the 100 mm vane probe with the telescope (can be extended up to 1.0 m) and the 90° angle.

Details on kit components

Technical Data

Temperature – NTC

Measuring range -20 to +70 °C
Accuracy ±0.5 °C (0 to +70 °C)

±0.8 °C (-20 to 0 °C)
Resolution 0.1 °C

Humidity – Capacitive

Measuring range 5 to 95 %RH
Accuracy ±3 %RH (10 to 35 %RH)

±2 %RH (35 to 65 %RH)

±3 %RH (65 to 90 %RH)

±5 %RH (Remaining Range)

±0.06 %RH/K (k=1)
Resolution 0.1 %RH

Please see the additional accuracy information for humidity in the instruction manual.

Absolute Pressure

Measuring range +700 to +1100 hPa
Accuracy ±3.0 hPa
Resolution 0.1 hPa

Velocity – Hot wire

Measuring range 0 to 50 m/s
Accuracy ±(0.03 m/s + 4 % of mv)

(0 to 20 m/s)

±(0.5 m/s + 5 % of mv)

(20.01 to 30 m/s)
Resolution 0.01 m/s

General technical data

Storage temperature -20 to +60 °C
Weight 400 g
Dimensions 780 x 50 x 40 mm
Operating temperature -5 to +50 °C
Length telescope 1,000 mm
Probe head diameter 9 mm
Diameter telescope 16 mm
Product colour black/orange
Length probe shaft 230 mm
Diameter probe shaft 9 mm
Battery type 4 x type AA batteries
Battery life 21.5 h
Data transfer Bluetooth®
Radio range 20 m

Downloads

Product Brochures

Data sheet testo 400 air flow kit with hot wire probe (application/pdf, 1.247 KB)

Manuals

Instruction manual testo Air velocity and IAQ probes with Bluetooth® handle (application/pdf, 877 KB)

Product Enquiry

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