Climate measurement improved to the maximum.
The universal air velocity & IAQ measuring instrument testo 400
The right probe to hand for every application: Flexible, mutually compatible Bluetooth and cable probes for measuring all climate-relevant parameters
Intelligent calibration concept: Calibration of the probes or probe heads independent of the measuring instrument
testo 400 – the multitasker for IAQ professionals
Measures all IAQ-related parameters: Flow, temperature, humidity, pressure, illuminance, radiant heat, turbulence, CO2 and CO
High-precision, location-independent and integrated differential pressure sensor
High-quality digital probes and an intelligent calibration concept
Stored measurement menus and evaluation of measurement values according to the traffic light principle – for error-free measurements.
VAC grid measurement as per EN ISO 12599
PMV/PPD in accordance with EN ISO 7730
Draught and degree of turbulence in accordance with EN ISO 55
WBGT measurement in line with DIN 33403 and EN ISO 7243
NET measurement in accordance with DIN 33403
Determination of volume flow in ducts using grid measurement in accordance with EN 12599
For all flow velocity probes (hot wire, vane) and Pitot tubes
Input of duct geometry and duct apertures
Single-point or timed measurement
Automatic display of insertion depths for traversing duct
Duct distribution for rectangular ducts according to the trivial method, and for circular ducts according to the centroidal axis method
Calculation of measurement uncertainty according to EN 12599
Work efficiently on site – no workarounds, just on to the next job
Manage and save all relevant customer data including measurement locations directly in the instrument
Complete and send measuring values with full documentation, including photos, comments and your own logo directly on site – and get to the next job faster
The universal air velocity & IAQ measuring instrument testo 400 with smart touch technology.
Use the online configurator now!