Liquid leak detectors sense when a liquid is leaking from a pipe, tank, or other receptacle area

Sound level meters and noise dosimeters are used in sound and noise analysis.

Non-destructive testing (NDT) equipment is used to detect, inspect, and measure flaws, bond integrity, and other material conditions without permanently altering or destroying the examined part or product

Active noise and vibration control systems are products such as controllers, sensors and actuators that monitor and cancel noise and/or vibration

Noise control products passively control vibrations or noise through absorption or dampening (e.

Ultrasonic instruments use beams of high frequency, short wave signals to inspect, monitor, and measure materials and components.

Photodiodes are used for the detection of optical power (UV, Visible, and IR) and for the conversion of optical power to electrical power.