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› Ultra Sounds<br />
14<br />
A3000U<br />
SUPPORTED INVESTIGATION<br />
Ultrasonic contact test<br />
Sonic Inspection on masonry<br />
P.I.T. Pile Integrity Test<br />
Sonic logging<br />
Cross-Hole 2 channel<br />
SPECIFICATIONS<br />
Acquisition:<br />
• Measurement range: 100mV – 20V<br />
• Time bases: 20ns – 81.9μs<br />
• Sample resolution: 8 bit<br />
• Samples per event: 8192 for contact<br />
measurements, 640 for log<br />
• Band width: 50 MHz<br />
• Filter for ultra-sounds: central frequency<br />
50 kHz<br />
• Measurement channels: 1<br />
Probes:<br />
• Through contact and sonic test with<br />
hammer: resonant frequency 53 kHz,<br />
diameter 48mm<br />
• From hole: resonant frequency 40 kHz,<br />
diameter 35mm<br />
• Through echo-test: vertical geophone<br />
with resonant frequency 4.5 Hz<br />
• Excitation peak voltage: 500V (normal),<br />
2000V (high)<br />
• Maximum frequency for pulse emission:<br />
1 per second<br />
• Minimum measurement pitch: 10mm<br />
• Motorised reels: no. 2 with 60 metres<br />
of cable<br />
• Encoder position: no. 2, precision 3.6°<br />
• Speed and alignment: managed automatically<br />
Hammer (UM model):<br />
• Trigger: piezoelectric<br />
• Shutters: in plastic and metal<br />
General data:<br />
• Power supply: 12V DC, supplied by a<br />
specific power box with 24Ah batteries<br />
• Average absorption: 1.5A (standby) –<br />
2.5A (while taking measurements)<br />
• Interfaces available: LAN, USB, VGA<br />
• Display: LCD 7” with touch-screen<br />
• Operative System: Windows Embedded<br />
Standard 2009<br />
• Data format: WAV, ASCII, DCS (owned)<br />
• Environmental operating conditions:<br />
-20/80 °C<br />
• Sizes: 28 x 24.6 x 17 cm<br />
• Weight of the central unit: 5kg