Precision nondestructive testing of metals

Probe assembly for measuring conductivity of plated through hole

Probe devices

Probe for corrosion testing

Probe for corrosion testing

Probe for monitoring the corrosion of a steel reinforcement memb

Probe for the continuous in-situ measurement of the corrosion ra

Probe system for measuring the condition of materials

Probes and apparatus for and methods of measuring crack depths

Probes for measuring apparatus

Process and apparatus for electromagnetically locating and ident

Process for the capacitive measurement of lengths and of angles

Process for the measurement of the specific capacity of a cable

Process for the relative locating of two electrical appliances

Progressively shorted tapered resistance device

Projected display for portable sensor indicating the...

Protective housing and mounting apparatus for capacitive-type pr

Pulse duration modulated signal transducer

Pulse width modulated cable signal injecting apparatus