Olympus OmniScan MX, User Manual

Page: 204 / 230

DMTA-20015-01EN [U8778402], Rev. M, February 2017
Appendix N 192
N.2 Acquisition Specifications
This section lists the acquisition specifications for frequency, data display, and
synchronization (see Table 71 on page 192).
.
Scan type Sectorial and linear
Aperture OMNI-M2-PA1664 = 16 elements
OMNI-M2-PA16128 = 16 elements
OMNI-M2-PA32128 = 32 elements
OMNI-M2-PA32128PR = 32 elements
Number of elements OMNI-M2-PA1664 = 64 elements
OMNI-M2-PA16128 = 128 elements
OMNI-M2-PA32128 = 128 elements
OMNI-M2-PA32128PR = 128 elements
Number of focal laws 256
Delay range transmission 0 µs to 10 µs in 2.5 ns increments
Delay range reception 0 µs to 6.4 µs in 2.5 ns increments
Table 71 Acquisition specifications — OMNI-M2-PA nn
Frequency
Digitizing frequency 100 MHz
A-scan (acquisition
mode) Up to 6000 A-scans per second (512-point,
8-bit A-scan)
Maximum pulsing rate Up to 10 kHz (C-scan)
Depth in material 59.8 meters in steel (longitudinal wave),
10 ms with compression
0.49 meter in steel (longitudinal wave),
81.9 µs without compression
Display
Refresh rate A-scan: 60 Hz; S-scan: 20 Hz to 30 Hz
Envelope (echo-dynamic
mode) Yes: Volume-corrected S-scan (30 Hz)
Synchronization
On internal clock 1 Hz to 10 kHz
Table 70 Acoustic specifications — PA channel (continued)