Sonatest Masterscan D70 Ultrasonic Flaw Detector

Since the formation in 1958 Sonatest Ltd has grown to become one of the most respected suppliers of ultrasonic NDT instruments in the world with many global blue chip clients. The Sitescan and Masterscan range of flaw detectors has an enviable reputation for reliability, whilst the user interface design has set the industry standard. In 2013 Sonatest's innovative Prisma product design was recognised winning the Red Dot Design Award and the A-Award for product design in the scientific and industrial category.

The Masterscan D-70 is a leading flaw detector in it's class. This instrument offers the inspector a fully capable and functional set of tools and software for inspection across all applications. Capabilities include encoded B-Scan, Advanced Thickness logging and Dryscan capability in a portable enclosure.

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Key Features

  • Customisable & Inituitive Menus
  • Split DAC/AVG/DGS
  • Angle Measurement Mode.
  • Dryscan capability.
  • Configurable on-board software.
  • Field Upgradeable.
  • Encoded B-Scan
  • A-Scan Fade.
  • 4GByte on-board memory.
  • USB Interface for PC import/export.
  • Video Output for training.


Test Range: 0-1mm(0.05in) up to 0-20,000 mm(800 in.) in steel at 5930m/s (19455f/s)
Velocity: 256 - 16000 m/s continuously variable.
Probe Zero: 0 to 999.999 ┬Ás.
Delay: 0-20,000m (800in) in steel at 5930m/s.
Gain: 0 to 110dB adjustable in 0.1, 0.5, 1, 2, 6,14 and 20dB steps.
Test Modes: Pulse echo and transmit/receive. Single Crystal, Double Crystal and Pitch-Catch
Damping: 50 and 400 Ohm damping selectable.
Pulser: 100-450V -ve spike and square wave. Pulse Width from 30nS to 2500nS. Rise/Fall times <5nS into 50R load. Tunable.
Active Edge TM: Unique Active Edge Mode for improved near-surface resolution.
P.R.F: Adjustable 5Hz to 5kHz. External sync also available.
Screen Update Rate: 60Hz
Rectification: RF, Full wave, +ve half-wave and -ve half-wave.
Frequency Range: 8 selectable filter bands.
i) 100kHz - 500kHz
ii) 200kHz - 800kHz
iii) 0.4MHz - 1.6MHz
iv) 1.4MHz - 3MHz
v) 3MHz - 8MHz
vi) 7MHz - 15MHz
vii) 9MHz - 21MHz
viii) 1.6 MHz - 22 MHz (Wideband)
Additional tuned low frequency pre-amp with Dryscan option.
Display: Colour Transflective VGA (640 x 480) TFT
Display area: 116.16 x 87.2 mm (4.57 x 3.43 in).
A-Scan Area: 400 x 510 pixels (normal), 460 x 620 (FS).
Colours: 9 colour options with variable brightness.
Zoom: Expands range and delay to cover the area set by Gate 1 start & width controls.
AGC: Automatic Gain Control automatically sets the signal in Gate 1 to a level between 10% and 90% FSH, tolerance between 5% and 20%.