Apparatus for detecting presence of piezoelectric material
Carbon fiber electrometer for dosimeter
Electrometer
Foil-leaf electrometer for static field detection with...
High speed D.C. non-contacting electrostatic voltage follower
Micro-mechanical probes for charge sensing
Microdeflector probe for electrostatic voltmeter
Movement actuator/sensor systems
Rapid response generating voltmeter
Transformers of voltage meters based on mechanical waves