PUNDIT 7 - Ultrasonic Instrument


 
The PUNDIT 7 Ultrasonic Pulse Velocity Tester is a concrete test instrument, packed with new features which include a novel signal strength indicator bar on the display. It is simple and easy to use yet powerful enough for the expert user. It can be controlled directly from a PC or factory control system giving the user full remote control: ideal for extended tests in the research lab or high volume production testing applications.

Features

  • Signal strength indicator
  • Oscilloscope output connections to view received signal waveform.
  • Integral PC interface
  • Auto ranging transit time display
  • On screen display of all test settings
  • Real-time clock
  • Wide pulse repitition frequency range
  • Four transmitter voltage options
  • Auto-detecting mains power supply
  • Built-in rechargeable batteries
  • Large high visibility LCD graphics display
  • Light, portable and simple to operate
  • Remote control from a PC via the serial port
  • Produce your own control programmes on a PC to generate custom applications - ideal for research or high volume production testing
  • Largest range of transducer options (24kHz to 1MHz, exponential probes)

Product Variations

  • Various transducers of different frequencies are available depending on the application, 24kHz, 37kHz, 54kHz (standard delivered with instrument), 82kHz and 150kHz
  • Exponential transducers, 45 kHz with pointed tip to measure on rough surface

Warranties

  • Standard 2-year limited warranty on electronic parts

  • Optional extended warranty periods up to 3 additional years

Standardization

  • EN12504-4
  • ASTM C597

Technical Data

Transit Time Measurement

  • Range: 0.1μs to 6553μs
  • Autoranging between two scales:
    - 0.1    μs to 999.9μs
    - 1.000ms to 6.553ms
  • Resolution: 0.1μs

Display

  • Type: 64 x 128 dot graphics blue LCD with white LED backlight
  • Viewing area: 56mm x 38mm
  • Settings/status: Displayed on screen
  • Signal strength: Moving bar indication of signal strength
    Numerical value available from serial port

Transmitter

  • Energising pulse: 1000V, 750V, 500V, 250V
  • Pulse width: <1.0μs

Receiver

  • Bandwidth (-3dB): 10kHz to 1.25MHz
  • Sensitivity: 250μV
  • Impedance: 500k½

Outputs
Rear Panel BNC Connectors

  • Oscilloscope: Received signal with 10x amplification
  • Time base sync pulse: 1V positive pulse
  • Analogue: Rectangular pulse with a length equal to the
    non-zeroed transit time
  • Serial Port: RS232 9-pin D-Type connector
  • Real-time clock for date-stamping of all readings
  • Full control from PC for all settings

Power Supply

  • Battery: Internal rechargeable NiMH battery pack with
    capacity for over 12 hours continuous use
  • Charger: Built-in charger
  • Mains: 85 - 265Vac 50/60Hz auto sensing power supply

Environmental

  • Operating Temperature Range: 0°C - 40°C
  • Instrument dimensions:105 x 220 x 230 mm
  • Instrument weight: 1.8kg
  • Shipping weight: 5kg net, 6kg gross