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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

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