Website : http://www.meterdrive.com List of published articles : Z-211 A : 6 digits L.E.D. programmable counter with preselection - Meterdrive Z-201 A -0 optoelectronic detector for length measurement Z-210B : L.C.D. 8 digits mini counter - Meterdrive Z-301 AAS -0 high resolution detector for length measurement Amplifier designed to adapt symmetrical output