Testo 420 : Replacement Hood 610mm x 1220mm Data Loggers ● Memory for up to

● Memory for up to 200 readings

easy attachment of the probe to pipes with a diameter of 0

since no hoses are needed for the measurements

●  Enables quick

● Thumb screw bezel lock is easy-to-use for zeroing

Testo 420 : Replacement Hood 610mm x 1220mm Data Loggers ● Memory for up toReplacement 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. In order to ensure that the measurement results are correct, a minimum outlet size of 335 x 335 mm should be provided.