PR 8V 001


The PR-8V is our most advanced sonic tester designed for the racing industry. It’s most commonly used to measure the thickness of cylinder walls, head ports, decks, chassis tubing, body panels, and windshields. The time-based B-Scan feature of the PR-8V displays a cross section view to see the profile/contour of the back surface while scanning cylinders.

Standard (Pulse-Echo mode) for use with a variety of common material types and variable gain options (vlow, low, medium, high, vhigh) in 3dB increments (40 to 52dB range), for increased penetration or resolution. Use the Multi-Mode (Echo-Echo mode) feature to measure chassis tubing with or without paint and coatings. Built-in automatic gain control and selectable gain options (low, medium, and high).

A variety of calibration options, common material list, the ability to store 64 custom setups, high speed scanning, and alarm options are a few of the features in the PR-8V. The PR-8V is equipped with a 4GB internal SD memory card, selectable GRID or ENGINE data structures, and used in conjunction with our PC & OSX software for your reporting needs.

ELECTRONIC PLATFORM (What’s inside the box):


  • Built-in transducer types offer increased linearity between transducers.
  • The high speed scan feature provides better representation during the scanning process, by increasing the sample rate.
  • Use the visual and audible alarm to set Hi and Lo limits to signal the inspector when the measurements are out of tolerance.
  • The PR-8V also comes complete with our Windows PC & OSX software for viewing and reporting B-Scans, Cylinder Maps, general measurements, and settings.
  • 2 year limited warranty.

  • Weight: 13.5 ounces (with batteries).
  • Size: 2.5 W x 6.5 H x 1.24 D inches (63.5 W x 165 H x 31.5 D mm).
  • Operating Temperature: -14° to 140°F (-10° to 60°C).
  • Keyboard: Membrane switch with twelve tactile keys.
  • Case: Extruded aluminum body with nickel-plated aluminum end caps (gasket sealed).
  • Display: 1/8 in. VGA grayscale display (240 x 160 pixels). Viewable area 2.4 x 1.8 in. (62 x 45.7mm). EL backlit (on/off/auto/invert).

Ultrasonic Specifications

  • Measurement Modes: Pulse-Echo (flaws, pits, corrosion). Echo-Echo (thru-paint – chassis tubing)
  • Pulser: 150 volt square wave pulser.
  • Receiver: Manual or AGC gain control with 50dB range, depending on mode selected.
  • Timing: Precision TCXO timing with single shot 100 MHz 8 bit ultra low power digitizer.

Power Source

  • Line Power: USB-C to PC or power outlet.
  • Batteries: Three AA cells. Alkaline – 35 hrs, Nicad – 10 hrs and NI-MH – 35hrs.
  • Auto power off if idle 5 minutes.
  • Battery status icon.

  • Range: Pulse-Echo Mode (P-E) – (Pit & Flaw Detection) measures from 0.025 to 36 inches. (0.63 to 914.4mm). Range dependent on material and transducer type.
  • Echo-Echo Mode (E-E) – (Thru Paint &
    Coatings) measures from 0.100 to 4.0 inches (2.54 to 101.6 mm). Range will vary depending on the coating thickness and material type.
  • Resolution: +/- .001 inches (0.01 mm)
  • Velocity Range:
    0.0122 to 0.7300 inches/µs
    309.88 to 18542 meters/sec
  • Single and Two point calibration option, or selection of basic material types.
  • Units: English & Metric


  • Display Views: Large Digits: Standard thickness view; Digit Height: 0.700 in (17.78 mm).
  • B-Scan: Time based cross section view. Display speed variable (10 to 200 readings per second).
  • Scan Bar: Speed 10 Hz. Viewable in B-Scan and Large Digit views.
  • Bar Graph: Indicates stability of measurement. Viewable in B-Scan and Large Digit views.


  • Data Structure:
  • Grid (alpha numeric)
  • Engine Map (cylinder scans)Screen Capture: Bitmap graphic capture for quick documentation (.tif ).
  • OBSTRUCT to indicate inaccessible locations.
  • Capacity: 4 Gb internal SD card.
  • Data Output: USB-C 1.1 PC & OSX connectivity.

  • Transducer Types: Dual Element (1 to 10 MHz).
  • Locking quick disconnect “00” LEMO connectors.
  • Standard 4 foot cable.
  • Custom transducers and cable lengths available.


  • Setups: 64 custom user-definable setups. Factory setups can also be edited.
  • Selectable Transducers: Selectable transducer types with built-in dual path error correction for improved linearity.
  • Alarm Mode: Set hi and lo tolerances with audible beeper and visual LEDs.
  • Takes 250 readings per second and displays the minimum & maximum readings found when the transducer is removed.


  • Factory calibration traceable to NIST & MIL-STD-45662A.


  • 2 year limited
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