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UMT-12ÀÇ ÁÖ¿ä »ç¾ç
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Transmitter |
Square Wave Pulser |
40 to
550 ns, 2 ns step |
Voltage |
50 to 300V, 1V step |
Rise
time |
20 ns at 50 W |
Damping |
fixed 50 W or continuously variable 50 to
500 W |
Repetition frequency
(PRF) |
A/D mode software controlled, free
run mode 160...2000 Hz, in
1Hz steps |
Transducers
mode |
single T/R mode or two transducers. |
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Receiver |
Gain |
0...60 dB, adjustable in 0.25
dB steps. |
Bandwidth |
50 kHz...10 MHz, (optionally 50
kHz...20 MHz) |
Additional gain of
TCG amplifier |
0...20dB,(optionally 0...40dB) |
Four filtering
value |
zero, short, medium and long. |
Blockade
range |
0.4 mm... 3 m in 0.4 mm steps. |
Non-linearity |
HF output-0.2 dB, LF Output-0.3 dB |
Amplifier gain drift,
long term |
0.1 dB for 8 hr operation |
Additional scope
outputs |
signal 0...2 Vpp, sync. delay 0.2 ms
... 3 ms |
Suppression |
0...80%, "classic" and "constant
amplitude" |
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Measurement
Gate |
Position and duration
range |
0.4 mm...3 m, in 0.4 mm steps |
Automatic amplitude
measurement |
0
... 2V, 0.01V step |
Automatic distance
(time) measurements |
resolution
0.04 mm, (14 ns)
- at a set threshold within the
gate ;
- with a selected threshold (0...100% display
height)
- with a constant fraction threshold (0.1...0.9 pulse height) |
Acoustic alarm |
with an autonomous logic and an independent
threshold set
(5...95% of
display height) |
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Analog/Digital Conversion |
Resolution |
8 bit |
Sampling frequency |
72 MHz (special versino 88
MHz) |
Sampling buffer |
8 ... 32 kB |
Material Range |
continuously - 0.1mm...3 m (for steel,
longitudinal wave),
in steps : 20, 40, 80, 160, 320 and 640 mm |
Time (distance)
scale non-linearity |
0.001% |
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UMT - 12 Demo Program
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