Testo 420 : Replacement Hood 610mm x 1220mm Data Loggers ● Thumb screw bezel lock

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

01mm● Remarks: Type A● Parallelism: 0

● Memory for up to 200 readings

Greater rigidity in the bearing plate for reducing the tracing error

Ideal for use outdoors and in cold storage houses

Testo 420 : Replacement Hood 610mm x 1220mm Data Loggers ● Thumb screw bezel lockReplacement 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.