9 Measuring sensors, apparatus and equipment, namely, distance measuring apparatus, coordinate measuring devices, level measuring machines, instruments for detecting and measuring two-dimensional distribution of force and pressure, bevels, angle finders, measuring rules, and electric sensors; signaling sensors, apparatus and equipment, namely, electric signaling sensors, digital signal processors, signaling buoys, transmitters of electronic signals; checking, data logging and data analyzing sensors, apparatus and instruments, namely, graduation checkers, electric sensors, electronic data loggers, and electronic logic analyzers; electric sensors of light, temperature, humidity, speed, volume, quantity and moisture measurements; electric monitoring sensors; switches, namely, light switches, temperature switches, and electrical switches for use in connection with humidity, speed, volume, quantity and moisture measurements; electronic data loggers for use in connection with light, temperature, humidity, speed, volume, quantity and moisture measurements; Irrigation equipment, namely, electrical controls for irrigation sprinkler systems