Olympus OmniScan MX2, User Manual

Page: 181 / 228

DMTA-20015-01EN [U8778402], Rev. J, January 2014
OMNI-M-PA1664 Module Specifications 169
K.2 Acquisition Specifications
This section lists the acquisition specifications for frequency, data display, and
synchronization (see Table 60 on page 169).
Beam formation
Scan type Sectorial and linear
Aperture 16 elements
Number of elements 64 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 10 µs in 2.5 ns increments
Table 60 Acquisition specifications
Frequency
Digitizing frequency 100 MHz (10 bits)
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
External pace Yes
On encoder On 2 axes: from 1 to 65536 steps
Table 59 Acoustic specifications (continued)