Device for indicating the direction of rotation of a body driven
Device for maintaining constant the temperature of a coil fed by
Device for measurement of parameters of compound electric circui
Device for measuring a signal having a very high noise level
Device for measuring average frequencies
Device for measuring conductivity of a solution
Device for measuring small frequency differencies
Device for measuring sugar concentration
Device for measuring terrestrial magnetic field horizontal compo
Device for measuring the ferrite content in an austenitic stainl
Device for measuring the magnetic flux distribution along the le
Device for measuring the time interval separating the leading ed
Device for monitoring lamp failure in airport navigation lightin
Device for monitoring the travel of a yarn like structure utiliz
Device for sampling and holding the carrier frequency of short d
Device for selectively detecting different kinds and sizes of me
Device for sensing the period of a digitized signal including no
Device for sensing the real part in a complex impedance
Device for testing the magnetic properties of a magnetic materia
Device for the measurement of the moisture content of a sample