Pulser / Receiver

Test Range

2.5mm to 10 meter (0.100 in to 400 in)(steel)

Velocity 

1000met/sec to 15.000 met/sec (40 in/millisec  to 600 in/millisec). In Hot key mode it has preset values

Delay 

Variable from -10.0 to 2000 mm (-0.3 to 30 in).

Gain

100 dB calibrated gain adjustable in 0.1, 0.5, 1, 2, 6 or 12 dB step.

Rejection

0 to 100% FSH with LED indicator.

Rectification

Full-wave, Half wave –ve, Half wave +ve and RF mode.

Frequency

It has tuned amplifier with four bands:
(a) 0.2 MHz to 1 MHz (b) 0.5 MHz to 4 MHz  (c) 0.8 MHz to 8 MHz (d) 2 MHz to 20 MHz

Test Modes

Pulse echo and Transmit/Receive.

Transmitter

Transmission pulse Negative spike. (Pulse rise Time<10ns) and with selectable high (300 Vp) or low (250Vp)power.

Damping

Damping high/low is selectable (High=45 ohms, Low=345 ohms)

Connectors

BNC or LEMO (Size 1) factory optional.

PRF

4Hz to 500Hz, Selection 10 scalable steps. PRF can go down up to 4Hz when PRF is selected to 1.

Linearity deviation

Vertical : ± 3%, Horizontal: ± 0.5%

Monitor

Monitor

Dual gate adjustable in 1% of Screen height with, Positive/Negative Logic, Gate Expand, Interface trigger modes.

Gate Expand

Expands Range to width of the gate.

Memory

A-Scan memory

500 Trace Patterns can be stored (with Note/Detail) which can be recalled, printed or transferred to PC via USB. Unlimited no. of A-Scan can be directly stored in USB Disk with auto file naming.

Calibration Set-up Memory

50 different calibration set-ups can be Stored and Recalled.

B-Scan memory

50 B-scan Patterns can be stored (with Note/Detail) which can be  recalled or transferred to PC via USB. Unlimited no of B-Scan be directly stored in USB Disk with auto file naming.

T-LOG

20,000 readings can be stored in 20 different files. Five Different types of templates are available for file creation. Stored readings can be recalled or transferred to PC via USB. Unlimited no. of Thickness readings can be stored in USB Disk with auto file naming.

Flaw Sizing

DAC

Dynamic DAC curve can be Digitally plotted (Smooth parabolic curve) on screen with selectable additional offset curves from 0 to 14 db in 0.1 db selectable steps. DAC curve can be plotted using minimum 2 to maximum 10 points.

TCG

After plotting DAC, TCG (Time Corrected Gain) can be activated for equalizing echo heights.

AWS

Built-in Software for evaluation of defect in accordance with AWS standards (AWA D1.1/D1.5).

DGS

Defect size evaluation based on 18 predefined probe data and one custom probe set-up per memory location. Defect size is directly displayed in ERS value. (Equivalent Reflector Size).

Measurements

Digital Read Out

Thickness/Depth can be displayed in digital readout when using a normal probe and Sound Path, Surface Distance and Depth of echo signals of GATEa / GATEb are directly displayed when angle probe is in use. Measurement point can be selected to be Peak or Flank. Echo height, ERS value, dB diff of DAC/DGS curve to signal height, Echo height with respect to DAC in terms of percentage or in dB can be measured, T-Minimum, Travel distance can be measured when encoder is connected and time of travel during Freerun B-Scan.

Measurement Unit

Metric or British unit of measurement is selectable.

Communication

IO Port

Optical Encoder can be connected to da Vinci alpha for positional detail. It can be used for Encoded B-Scan.

Printer Attachment

USB Printer (PCL3 compatible)

Video Output

VGA video signal output for connecting to monitor/LCD projector.

Software

dVaSoft interface software for transferring A-Scan/B-Scan/T-LOG from da Vinci alpha to PC is supplied as standard equipment, It also creates sequential, 2D and 3D configured files for thickness logging.

Display

Screen

High brightness Color TFT LCD Display. Display area 320X240 pixel (117X88mm). Five Different colors and Grid scheme options. Color leg facility for angle probe for easy interpretation of skip distance

Full Screen

By pressing Enter Key for a few seconds A-Scan can be displayed in Full Screen area.

Reference A-Scan

Reference A-Scan pattern of standard test object can be saved and recalled in the background for easy comparison during testing.

Freeze/Peak Freeze

A-Scan freeze, Peak Freeze, Active Echo dynamic available.

Digital

Update Rate

60Hz.

Power

Power

Lithium-Ion Battery pack 10.8 VDC, 7.8 AH, gives 8 hours continuous operation from fully charged battery. Battery with the charge indicator/fuel gauge indicator. da Vinci alpha can also operate on 6 nos. C type dry cells.

Battery Charger

Input voltage 100 to 240 VAC/ 50Hz.

General

Temperature

0 to 55° C

Size

170X260X110mm (HXWXD).

Weight

2.1kg with Battery.