Used Olympus Panametrics Epoch 650

Specifications
PRF 10 Hz to 2000 Hz in 10 Hz increments
Pulse Width Adjustable from 25 ns to 5,000 ns (0.1 MHz) with PerfectSquare technology
Gain 0 to 110 dB
Receiver Bandwidth 0.2 MHz to 26.5 MHz at â??3 dB
System Linearity Horizontal: �± 0.5% FSW
Resolution 0.25% FSH, amplifier accuracy �± 1dB
Reject 0 to 80% FSH with Visual Warning
Amplitude Measurement 0 to 110% full screen height with 0.25% resolution
Automated Calibration Velocity, Zero Offset
Straight Beam (First Backwall or Echo-to-Echo)
Angle Beam (Soundpath or Depth)
Test Modes Pulse Echo, Dual, or Through Transmission
Range 3.36 mm to 13,388 mm (0.132 in. to 527.10 in.) at 5,900 m/s (0.2320 in./�µs)
Velocity 635 m/s to 15240 m/s (0.0250 in./�µs to 0.6000 in./�µs)
Zero Offset 0 to 750 �µs
Refracted Angle 0�° to 90�° in 0.1�° increments
Measurement Gates 2 fully independent gates for amplitude and TOF measurements
Measurements
Gate (1, 2) Thickness, Soundpath, Projection, Depth, Amplitude, Time-Of-Flight, Min./Max. Depth, Min./Max. Amplitude
Echo-to-Echo Standard Gate 2-Gate 1, Optional IF Gate Tracking
Other measurements Overshoot (dB) value for DGS/AVG, ERS (equivalent reflector size) for DGS/AVG, AWS D1.1/D1.5 A, B, C and D values, Reject Value, Echo to RefdB values
DAC/TCG Standard
DAC points Up to 50 points, 110 dB dynamic range
Special DAC modes Custom DAC (up to 6 curves), 20-80% View
Curved surface correction Standard OD or Bar correction for Angle Beam measurements