Click here to show the procedure to clean the air button discharge –>

Click here to show the procedure to replace battery –>

It is not necessary to calibrate the instrument.

It is not necessary to calibrate the instrument.

The battery model used in the HiPreMa 4 products is the CR2450. The battery lifetime in standard use is 2 Years.
Use only High Quality battery : SONY – DURACELL – PANASONIC.