Welcome to the web presence of Lennartz electronic GmbH! Serving the seismological community since 1966 (the legendary MARS-66 refraction seismics datalogger was conceived and manufactured at Lennartz), and constantly refining the art of short- and intermediate-period seismometry since 1986, and exclusively so since 2004.



Due to massive abuse by spammers we were forced to shut down our "Contacts" page, sorry about that.