Olympus EPOCH 1000 Series, Руководство пользователя

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910-269-EN, Rev. B, June 2011
Specifications 313
19.2 Channel Specifications
Table 25 EPOCH 1000i phased array specifications
Parameter Value
Focal laws 60
Physical probe 16 elements
Virtual probe 16 elements
Video filtering Off, Low, High
Display modes A-scan, A-scan/S-scan, S-scan
Image update rate 60 Hz update for all A-scans
20 Hz update for all images
Table 26 Pulser specifications
Pulser
EPOCH 1000/1000iR/1000i
(conventional UT mode)
EPOCH 1000i
(PA mode)
Pulser Tunable square wave
PRF 5 Hz to 6000 Hz in 5 Hz
increments Automatic. Maximum 1360 Hz
Energy settings 50 V to 475 V in 25 V increments 40 V or 80 V
Pulse width Adjustable from 25 ns to
5,000 ns (0.1 MHz) with
PerfectSquare technology Adjustable from 40 ns to 1000 ns
with PerfectSquare technology
Damping 50 Ω , 100 Ω , 200 Ω , and 400 Ω Not applicable
Pulser delay Not applicable 0 µs to 10 µs, 2.5 ns resolution
Table 27 Receiver specifications
Parameter EPOCH 1000/1000iR/1000i EPOCH 1000i
Gain 0 dB to 110 dB 0 dB to 80 dB
Maximum input signal 20 Vp-p 250 mVp-p per channel
Receiver input
impedance 400 Ω ±5 % 50 Ω ±10 %
Receiver bandwidth 0.2 MHz to 26.5 MHz at –3 dB 0.5 MHz to 12.5 MHz at –3 dB
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