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Pundit PL-200 – Ultrasonic Pulse Velocity

Pundit Pl-200, Ultrasonic Pulse Velocity Tester, 54 kHz TransducerThe Pundit PL-200 continue the illustrious Pundit tradition that began in the 1970s. The first to use a new generation touchscreen display unit. The control unit is also fully compatible with the Ultrasonic Pulse Echo transducer, with more details at the dedicated page.

The pulse velocity in a material depends on its density and its elastic properties. These in turn are related to the quality and the strength of the material. The world known Pundit range offers users a reliable and accurate method for determining the sonic properties of materials.

Applications

  • Ultrasonic testing can be used for:
  • The homogeneity of a material
  • The presence of voids, cracks or other internal imperfections or defects
  • Changes in the concrete which may occur with time (i.e. due to the cement hydration) or damage from fire, frost or chemical attack
  • The strength or modulus of a material
  • The quality of the concrete in relation to specified standard requirements

Test Method

Ultrasonic testing in its most basic mode is called time of flight. This refers to timing the arrival of an ultrasonic pulse from one transducer to another through a solid medium.

The ultrasonic pulse in standard operation is a p-wave (or compression wave). The ultrasonic pulse velocity (UPV) is calculated by dividing the distance between the transducer by the time of arrival. 

Features 

  • Housing specially designed to be used on-site in harsh environments
  • Screen with highest resolution and sharpest image available in the market allowing best possible analysis of the measured waveforms
  • Settings directly accessible on measuring screen
  • On board storage and review of waveforms
  • Automatic and manual triggering and user adjustable trigger threshold
  • Modular concept: Expandable with all Proceq Pulse Velocity and Pulse Echo transducers, upcoming Pundit ultrasonic products will be directly compatible.

Transmission Modes

Pundit, Ultrasonic Pulse Velocity, PL-200The Pundit PL-200 offers three methods of transmission. These can be seen in the image. The method of transmission is determined by access to the concrete elements surfaces and the characteristic being tested.

Materials

An essential tool for investigating a wide range of materials:

  • Concrete
  • Ceramics and Refractories
  • Timber
  • and many others

PL Link Analysis Software

The Windows based PL Link allows data review and retrospective adjustment of measurement setting. It is also used to load strength conversion curves into the system.

Comprehensive Measurement Modes

NEW - Area Scan

compact-PL-grid-scanArea scans combine distance, pulse velocity and transmission time measurement mode of the Pundit PL. Scan results can now be displayed as a coloured contour map. The visualisation supports full review of individual measurements. 

 

PL-200 Line ScanLine Scans

Assesses the concrete uniformity and detects cracks as well as other defects. The measured pulse velocities are displayed as a line which will change with thickness or where defects or cracks are located. 

PL-200 Pulse Velocity ScanPulse Velocity / Transmission Time / Distance

Calculates the pulse velocity of the material under test with zoom and scroll for precise A-Scan inspection. Supports an update rate of up to 25Hz. 

PL-200 RebUltraCompressive Strength

Determines compressive concrete strength via Ultrasonic Pulse Velocity correlation, or by using SONREB which combined Schmidt hammer tests with UPV testing.

Crack DepthPL-200 Crack Depth mode

Determines the depth of perpendicular cracks according to BS 1881. This measures surface velocity and compares changes with distance from the crack.

PL-200 Surface Velocity ModeSurface Velocity

Improved surface velocity measuring.
Determines surface velocity according to BS 1881.

 

Standards and Norms

EN12504-4 (Europe), ASTM C 597-02 (North America), BS 1881 Part 203 (UK), ISO1920-7:2004 (International), IS13311 (India), CECS21 (China).

Form Supplied

Comes standard with:

  • Pundit Touchscreen
  • 2 Transducers 54 kHz
  • 2 BNC cables 1.5m, BNC Adapter Cable
  • Couplant
  • Calibration Rod
  • Battery Charger, USB cable
  • DVD w. Software, Documentation, Carrying Strap, Case


Transducer Frequencies

All Pundit Transducers

Comes standard with 54 kHz p-wave transducers, although a range of frequencies are available from 24 kHz to 500 kHz. There are also exponential transducers available for dry coupling and wood applications and a range of 250 kHz shear wave transducers available.

Specifications

Range 0.1-7930 µs
Resolution 0.1 µs (< 793 µs), 1 µs (>793 µs)
Display 7” Colour, 800 x 480
Pulse Voltage 100 – 450 Vpp
Bandwidth 20 – 500 kHz
Receiver Gain 1X – 10,000X (0-80dB) 11 steps
Memory 8 GB Flash memory, storage of up to 100,000 A-Scans
Battery Lithium Polymer, 3.6 V. 14.0 Ah
Battery Lifetime >8h (in standard mode)

 

Operating Temperature

 0o > 30o (Charging, operating)
 0o > 40o (Charging, Off)
-10o > 40o (Not Charging)
Humidity < 95% RH, non-condensing
IP Classification IP 54

VIC:

Melbourne

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t (03) 9938 3830

f (03) 9938 3899

m 0428 315 502

NSW:

Sydney

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t (02) 9986 1857

m 0418 381 709

QLD:

Brisbane

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t (07) 3040 6166

m 0419 477 715

 

WA:

Perth (Head Office)

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t (08) 9322 4020

m 0408 034 668

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