Solar Tron Metrology is a global leader in the innovation and manufacture of precision digital and analog dimensional gauge probes. Displacement transducer Optical linear encoder and related measuring tools in the laboratory At the storefront or in the field, Solar Tron Metrology products provide accurate linear measurements for quality control. Tests and measurements and machine control in the automotive industry electronics Aerospace, Materials, Optics and Semiconductors Anywhere where accuracy and consistency are important to the process.