16 catalogs, technical and scientific handbooks, textbooks and technical reference textbooks about measuring, controlling, and/or regulating temperature, humidity, pressure, strain, force, flow, level, pH, load, vibration, electrical resistance, air velocity, amperage, frequency, voltage, ion concentration and conductivity and acquisition, display and retrieval of data regarding temperature, humidity, pressure, strain, force, flow, level, pH, load, vibration, electrical resistance, air velocity, amperage, frequency, voltage, ion concentration and conductivity