20 kHz REP.RATE
  5 nsec. RESOL TOF/WT
  PCI Plug & Play
  0.5 ~ 20 MHz BW
  A - B - C / SCAN
  DLL, DRIVER For WINDOWS
 
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SQUARE WAVE PULSER
Voltage  125/250 Volts (50 Ohms)
Fall-time  5 nsecs
Pulse width  0.5 to 20 MHz (25 nsecs to 1000 nsecs)
Rep Rate  20 to 20,000 Hz internal trigger, 0 to 20,000 Hz external trigger
Probe  Single or Dual element
Post-trigger  External trigger mode
 
RECEIVER / AMPLIFIER
Impedance  50 Ohms
Bandwidth  0.5 to 20 MHz
Gain 1  +80 dB
Gain 2  +80 dB - active after DAC Curve
Dynamic range  105 dB (0.1 dB steps)
Input attenuator  0/15 dB (50 W)
Attenuator 2  0/20 dB
Mode  Echo/Transmission
Filters  0.5 / 1 / 2.25 / 5 / 10 / 15 MHz & WideBand
Rejection  0 to 50 %, active on A-Scan & Gates
RF Output  2 Vpp. into 50 Ohms (1.5 Vpp. FHS)
 
DAC
Dynamic  70 dB
Segments  30
Rep Rate  Slope
 
GATES

Number

 1 Interface and 2 Flaw / TOF Gates, fully indépendant
 
FLAW / TOF GATES
Threshold  10% to 90% (1% steps), 2 symetric thresholds with RF signal
Trigger  Initial Pulse, Interface, non-active, gate to gate on gate 2 only
Start  60 nsecs to 655mSecs (20 nsecs steps)
 0.18 mm to 1,950 mm steel (0.1 mm steps)
 0.007 inches to 75 inches steel (0.005 inch steps)
Width  40 nsecs to 655 msecs (20 nsecs steps)
 0.1 mm to 1,950 mm steel (0.1 mm steps)
 0.005 inch to 75 inches steel (0.005 inch steps)
Alarm  Positive / Negative, Number of violation before Alarm : 0 to 30
Flaw / TOF
Mode
 Max. Amplitude or First Echo Amplitude & Alarm
 First Echo Depth (peak / threshold / zero crossing) & min / max Alarms
Flaw / WT
Mode
 Max. Amplitude or First Echo Amplitude & Alarm
 In-line Wall Thickness (peak / threshold / zero crossing)
 & Coupling / min / max Alarms
WT Data processing  Upper / lower limits, max deviation, Filtering, averaging, etc…
Rectifier Modes  HW Pos, HW Neg, FW, RF gating
 
INTERFACE GATE
Threshold  10% to 90% (1% steps), 2 symetric thresholds with RF signal
Trigger  IInitial Pulse
Start  60 nsecs to 655 msecs (20 nSecs steps)
 0.045 mm to 490 mm water
 0.002 inch to 19.65 inches water
Width  40 nsecs to 655 msecs (20 nsecs steps)
 0.03 mm to 490 mm water (0.5 mm steps)
 0.001 inch to 19.5 inches water (0.02 inch steps)
Alarm  Negative / Positive, Number of violations before Alarm : 0 to 30
Rectifier Mode  HW Pos, HW Neg, FW, RF gating
 
EVALUATION
Rectifier Modes  HW Pos, HW Neg, FW, RF gating
Gate operations  Flaw AMP & TOF / Flaw AMP & WT (per Flaw / TOF Gate)
AMP resolution  1% Full Screen (0 to 100%)
TOF / WT
resolution
 0.005 msec (single shot Flaw / TOF or Flaw / WT mode)
 0.01 mm steel
 0.0005 inch steel
 
OUTPUTS
Flaw Mode  AMP Analog (8 bit, 0-5 Volts), AMP Alarm (TTL)
TOF Mode  TOF Analog (8 bit, 0-5 Volts), TOF min / max Alarms (TTL)
WT Mode  WT Analog (8 bit, 0-5 Volts), WT min / max & coupling Alarms (TTL)
 Coupling Quality Analog (8 bit, 0-5 Volts)
Interface Mode  Coupling Alarm (TTL)
Output Speed  Rep Rate / Timed
 
MEMORY

Real time acquisition

 A-Scan, B-Scan & C-Scan data
 
A-SCAN DISPLAY
Modes  HWP, HWN, FW or RF
Gates  Bars indicating Start, Stop and Threshold
DAC Curve  Displayed at midscreen or baseline
Range  1 msec to 1.3 msec (20 nsecs steps)
 3 mm to 3,900 mm steel (0.1 mm steps)
 0.1 inch to 150 inches steel (0.005 inch steps)
Delay  0 to 655 msecs (20 nsecs steps)
 0 to 1,950 mm steel (0.1mm steps)
 0 to 75 inches steel (0.005 inch steps)
Trigger  Initial Pulse, Gate 1 trigger, Gate 2 Trigger, Gate 1 Start, Gate 2 Start
Displayed Peak  True Max AMP at Rep Rate
 
PC CARD FEATURES
Bus  PCI
Board size  1 / 1 (full) size
Subclic Connectors  TX, RX, RF
HE10 Connector  In / Outputs
Internal Connector  DSP bus & multichannel main clock
Consumption  +12 V - 0.5 Amp max. / + 5 V - 1.0 Amp max.
 + 3.3 V - 4.0 Amp max. / - 12 V - 0.1 Amp max.
 Total : 25 Watt max.
 
SOFTWARE
 Set up and Control LabVIEW Software (EXE. & Sources)
 DRIVER for WINDOWS
 DLL for WINDOWS
 Driver performs real-time data transfer to PC memories
 Inner card performs Storage & Analysis (DSP)
 
MULTICHANNEL SYSTEMS
 Parallel Fire Multichannel Applications
 Timed Fire Multichannel Applications (Post-Trigger)
 Selectable Firing Sequences
 
PC PENTIUM MIN. CONFIGURATION (One USPC card)
 Windows 98
 PCI bus
 Supply ATX 3.3 volts
 CD driver


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Ultrasonics

Parameters
· Pulser: Frequency: 0.45 ∼ 20 MHz in steps of 0.05 to 1Mhz
· Receiver: Dynamic Range: 90 dB
                DAC: 15 Programmable points
· Gates: Triggering: Positive or negative
             Threshold: 10 up to 80% in steps of 0.5%

Acquisition

- A-Scan:
· Test display          · Transient or maximum signal acquisition

- B-Scan & C-Scan
· N° of gates         · Amplitude and / or distance (TOF)         · Palette
· Synchro on:        · Internal pulse         · Encoder inputs        · Indexer cards inputs
· Scan length-Travel length           · Travel step (pitch)

- Full B-Scan:
· Test display      · Transient or maximum signal acquisition       · Colour Palette
· Synchro on        · Internal pulse         · Encoder inputs         · Indexer cards inputs
· Scan length-Travel length        · Travel step (pitch)

Interfacing with bench, manipulators...

· Scan axis selection         · Increment axis selection         · Scan axis speed
· Inorement resolution        · Scan & travel lengths
- The setting of these parameters is by keyboard and / or by teach & learn.


Image analysis
· Colour Palette      ·Zoom       ·Cursor  · Histograms (Line X, Column Y, window)
·Cursor indications (Amplitude, Distance, Coordinates)    · Display of X, Y section

Report PRINTOUT
· Colour image with annotated commentary
· Creation of exportable files for EXCEL, LOUTS 1.2.3, etc...
· Additional text with WINWORD


        

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