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The Innerspec POWERBOX H is the only hand-held, battery operated instrument capable of generating up to 1200V or 8kW of peak power at speeds of up to 300Hz. For pulse-echo operation, a built-in transmitter/receiver switch permits connecting directly to the instrument with no additional hardware. A built-in thermocouple port permits taking temperature readings to correct time-of-flight measurements, and a one-axis encoder input can be used for integration with an automated or manual scanner. A setting of 600Vpp (approx. 3kW) is also available to maximize battery life if the application does not require full power. Embedded POWER UT H software permits the user to modify the triggering and receiving patterns, use advanced filters to enhance signal-to-noise and present the information on A, B, C and Line Scan formats. Screen captures, device settings, and data can be downloaded to a PC using additional software provided with the instrument. The Innerspec POWERBOX H can be used with any sensor from Innerspec’s Standard Catalog and sensors from other manufacturers.


  • High-temperature thickness measurement.
  • Thickness scanning without couplant.
  • Austenitic weld inspection (single element).
  • Inspection under supports and on air-to-soil interfaces using guided waves.
  • Light-post inspections.
  • Surface wave inspections.
  • Measurement of Stress, Bolt-Load and Nodularity.
  • Corrosion and flow monitoring (see monitoring applications).
  • Thickness Measurement with Dry-Coupled Piezoelectric Probes.
  • Thickness Measurement with standard liquid-coupled probes (requires signal attenuator).

Innerspec POWERBOX H
Ultrasonic Channels 1
Bandwidth 100 kHz to 6 MHz
Pulse Repetition Rate up to 300 Hz
RF Pulser Spike, Toneburst Waveforms
8 kW Power Output
1200 Vpp @ 25App into 50 Ohms
0.1% Maximum Duty
Receiver Pulse-Echo Mode
1 kΩ Input Impedance
30 dB to 70 dB Gain
<0.05 dB Gain Resolution
Pulse-Catch Mode
50 kΩ Input Impedance
-20 dB to 60 dB Gain
<0.1 dB Gain Resolution
Pulse / Receive Modes Pulse-Echo, Pitch-Catch
Analog / Digital Converters 12-bit, 100 MHz
Filtering FIR Digital Filters
Rectification Full-wave, +/- half-wave, and RF mode
Evaluation Gates Interface plus 2 Gates
Amplitude and Time Measurements
Encoder Interface A/B Quadrature
PC Communication USB 2.0
Software Embedded Software with A, B, C
and Line Scans plus
PC interface Software
Probe Connector 2-Pin Lemo OB
Operating Temperature 0˚C (32˚F) to 40˚C (105˚F)
AC Power Input 100-240 VAC, 50-60 Hz
Other I/O Magnet Pulser Trigger
Thermocouple Input (Type K)
General Purpose I/O (5V TTL)
Encoder/Signal Cond. Power
VGA output
Ethernet 10/100
SD Card
Dimensions 8"W x 9"H x 4"T
203 mm x 229 mm x 100 mm
Weight 2.72 Kgs (6 lbs)
Battery Life 4-8 Hours


  • Modules (for pulse-echo multiplexing and pitch-catch signal conditioning).
  • Encoders.
  • Thermocouple.
  • Spare Battery.
  • Battery Charger (dual slot).
  • Battery Pack (for external signal conditioning box).
  • AC/DC power pack with AC cord.
  • Body Harness.