Hour meters SM1111 and SM1112 are designed to measure working hours of industrial machines which maintenance
is necessary to be done on specific time to prevent stoppage.
SM1111 indicate hours and minutes and SM1112 indicate
only whole hours and both of them have internal reset button. Hour meters are equipped with 5 digit 0.36” (9mm)
green or red display (user may specify) and they are closed into DIN 48x48mm case with pressure clips.