[ Analog and digital detectors, particularly electronic pressure sensors, force sensors, strain sensors, force-measuring cells, stress-measuring blocks; piezoelectric detectors in the nature of apparatus for detecting pressure, strain, force, and filling level; bridge amplifiers; inductive detectors in the nature of apparatus for detecting the presence, movement, or position of objects; proximity detectors in the nature of apparatus for measuring distance, ] magnetic detectors, in the nature of magnetic sensors for linear and rotary applications; [ Hall detectors, namely, Hall effect sensor encoders for detecting and encoding voltage and electrical charge, inductive code readers in the nature of sensors for detecting and reading 1D and 2D bar codes, high-temperature detectors in the nature of temperature measuring apparatus, ]movement detectors in the nature of motion detectors, [ distance detectors in the nature of distance measuring apparatus; capacitive detectors in the nature of sensors for detecting the location of objects and measuring filling levels; optical detectors in the nature of optical sensors for object detection, and color recognition; color detectors, namely, apparatus for identifying and measuring color; ] encoders, particularly, magnetic encoders, multi-turn encoders, absolute encoders, hollow shaft encoders, shaft encoders; tachometer generators in the nature of tachometers; counting devices in the nature of electromechanical and electronic object counting machines and revolution counting machines; mechanical, electromechanical, inductive and capacitive switches, namely, electric switches; precision electronic switches and micro-switches, measuring and precision electric sensors, control apparatus in the nature of control devices with measuring instruments and monitoring apparatus in the nature of micro-processor based hardware and software used to monitor the status of industrial machinery