... materials, narrowband filters to improve signal to noise in high gain applications, a spike pulser for ... attenuating materials. The instrument can be widely used in locating and sizing hidden cracks, voids, disbands, ... Trig. Function: Thickness/Depth can be displayed in digital readout when using a normal probe and ... Offset : 0 to 99.99µsSensitivity: 110 dB max in selectable resolution 0.1, 1.0, 2.0, ...