Apparatus for the measurement of the movement of a member horizo

Apparatus for the ratiometric measurement of a quantity of liqui

Apparatus for the time-dependent measurement of physical quantit

Apparatus having capacitive sensor and metal detector for detect

Apparatus including transmitter, receiver and display housings f

Apparatus using leakage current for measuring resistivity

Arrangement for detecting spatial inhomogeneities in a dielectri

Arrangement for determining the moisture content of tobacco and

Asphalt rubber emulsions

Audible resistance or voltage tester

Audible test device

Auto-zeroed ohmmeter

Automatic circuit locator

Automatic control and detector for three-terminal resistance mea

Automatic, self sustaining probe for measuring the work function