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Advanced Ultrasonic Instrument
Sonia Green
Main Features
Sonia Green is an ultrasonic dual module compatible with SONIA architecture designed for Through-Transmission (TTU) applications. This module is divided in two submodules, 2 complete channels, with high power pulser (FTT-2T) and high dynamic range receiver (FTT-2R)
- Through -Transmission, tandem, pitch & catch, pulse-eco (dual probe) applications .
- Contact, water or air coupled probes
- Fully digital receiver stage, with high dynamic range (>105 dB without filters, >130 dB with filters).
- Low and medium frequency range, bandwidth from 20 KHz to 20 MHz (probes from 50KHz to 10 MHz).
- Negative square wave, bipolar and burst pulser, up to 400 Vpp, 16 cycles..
- High digital signal processing capabilities (digital filters, gates, signal types, etc…).
- Small size that permits to minimize the length of the transducers cables, digitizing the UT signal very close to the transducers. This implies lower UT signal distortion, attenuation and noise.
- Replace the analog communication lines by digital ones, immune to electromagnetic interferences (fiber optic), which means no signal distortion and/or noise in the transmitted signals and performance independent of installation layout.
- Low power consumption. The electronic boards are sealed in non-ventilated rugged enclosure.
Technical Specifications
GENERAL
Type
Bipolar square wave
Voltage
20 to 400 V, 1V steps.
Width
50 to 10000 ns, 1.0 ns steps
Maximum PRF
10 KHz
Fall time
<15 ns
Impedance
< 5 Ω
Internal damping
470 Ω
PULSER
Type
Bipolar square wave
Voltage
20 to 400 V, 1V steps.
Width
100 to 20000 ns, 5.0 ns steps
Burst
1-16 Cycles
RECEIVER
Input range
30 Vpp
Bandwidth
Low 22.5KHz to 20.5 MHz @-3dB
Mid Low 26.5KHz to 20.5MHz @-3dB
Mid High 108KHz to 20.5MHz @-3dB
High 390KHz to 20.5MHz @-3dB
Gain range
0 to 140 dB, 0.1 dB steps
TGC
80 dB maximum range, 16 points, 16 ms, 32 ns resolution, 80dB/us slope.
Dynamic range
116dB
DIGITAL FUNCTIONS
A/D sampling rate
125 MSPS, 14 bits
Sampling decimation factor: 1 to 64
Gates
4 gates, max + 4 first echoes per gate.
1 gate for interface echo synchronization.
Signal modes
RF, True Envelope, Rectified (full, +/-).
Logarithmic full wave, Logarithmic envelope
Frequency Filters
Digital programmable IIR type, low-pass, high-pass, band-pass.
Noise reduction filters
Averaging
Anti-impulsive noise
Post-Rect smoothing filter
0 to 100% smoothing level control
Other digital functions
Real time alarms associated to echoes in gates.
Signal inversion.
Signal compression factor up to 64.
OTHERS
UT connectors
FISCHER D103A015
General I/O
4 digital inputs, 2 digital output (up to 24 V) optocoupled.
Fiber optic port
LC-Duplex optical connector (1 Gbit full-duplex)
Dimensions
FTT-2T: 175 x 115 x 64 mm (DxWxH).
FTT-2R: 175 x 115 x 64 mm (DxWxH).
Power
FTT-2T: 24 Vdc, 1.2 A max
FTT-2R: 24 Vdc, 0.6 A max
FTT-2R: 24 Vdc, 0.6 A max
Accessories
FTT-2 PE Adapter: P/E Technique
GENIUS PUA-UT: High Sensibility Preamplifier 58dB Gain
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