Measurement of the air volume flow in the cleanroom

Make sure you get the testo 420 volume flow hood for larger ceiling outlets and at the same time enjoy multiple maintenance benefits on HVAC systems. Because the flow hood with the removable measuring instrument is not only exceptionally light, it also guarantees accurate volume flow calculations at swirl outlets

Replacement hood (610 x 1220 mm) for mounting on the testo 420 volume flow hood for measurements at air inlets and outlets. With integrated flow straightener for high-precision measurement results.   Inner dimensions 585 x 1195 mm. 

Replacement hood (305 x 1220 mm) for mounting on the testo 420 volume flow hood for measurements at air inlets and outlets. With integrated flow straightener for high-precision measurement results. Inner dimensions 280 x 1195 mm. 

Replacement hood (360 x 360 mm) for mounting on the testo 420 volume flow hood for measurements at air inlets and outlets. With integrated flow straightener for high-precision measurement results. Inner dimensions 335 x 335 mm. 
 

Replacement hood (915 x 915 mm) for mounting on the testo 420 volume flow hood for measurements at air inlets and outlets. With integrated flow straightener for high-precision measurement results. Inner dimensions 890 x 890 mm.