Multi-level machine vibration tester marker pen
Multiaxial vibration sensor
Multicomponent transducer
Multicomponent transducer
Multiple output inertial sensing device
Multiple-mode acoustic wave sensor
Noise/vibration measuring and disclosing system
Non-contact measurement of material property
Non-intrusive determination of time varying and steady state tor
Non-linear optical crystal vibration sensing device
Non-synchronous vibrational excitation of turbine blades...
Noninvasive method and apparatus for determining resonance infor
Nonsynchronous turbine blade vibration monitoring system
Omni-directional movement sensor
On-line acoustic detection of bearing defects
On-line rotor crack detection
Operating turbine resonant blade monitor
Optical accelerometer
Optical fiber acoustical sensors
Optical fibre ultrasonic sensor