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''USM-8'' Multichannel Flaw Detector

USM-8 provides integration of different NDT methods (EMA, UT, Eddy current) in one complex. It allows to perform independent setting of channels in the flaw detection or thickness gauging modeswith implementation of all known testing methods: single, pulse-echo, dual, pulse-echo, pitch-and-catch, shadow, immersion, etc. They are widely used in continuous production flows with linear movement of objects from 0.3 to 10 m/s.


USM-8 is provided with own controls and visualization tools; the software is designed, using standard Windows technologies that ensure easy system service and development. USM-8 is provided with the software and hardware support of different specialized flaw detection equipment: pitch sensor, light-operated switch, coordinate device, defect-controller, light and audible alarms, etc.

Key features
  • Programmable outgoing pulse form.
  • Programmable excitation pulse amplitude.
  • Programmable pulse repetition frequency from 100Hz to 10kHz.
  • A-Scan (video, rectified).
  • TCG (Time Correction Gain) feature synthesis (128 points).
  • Nonvolatile testing results memory up to 32MB.
  • Simultaneous and/or consecutive probe excitation and reception by all channels.
  • Color display.
  • Connection of technological equipment: alarm, display devices, etc
  • PC link via the 10/100BASE-T interface, using the Operator’s Workbench.

Operator's Workbench is the specialized software intended for the computer processing and saving of testing results received from the flaw detector archive. The archive of the USM-8 base unit enables to create and save testing results and settings. It also enables to select them and transmit archived information (from  PC) into external media.



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Technical characteristics


Pulser parameters

Pulse length:
• bipolar
• unipolar (the polarity is set by the operator)
• Pulse drive digitization step, not less than
• Adjustable number of pulse periods


0,025 … 0,625 µs
0,05 … 0,125 µs
0,025 µs
0,5 … 8 µs
Programmable pulser amplitude not less than 50; 100; 200; 300 V

Receiver parameters
Maximal receiver sensitivity at the rated frequency of 5MHz not less than 50 µV
Dynamic range of the receiver gain adjustment not less than 138 dB
Receiver bandwidth in the interval from 0,4 MHz … 20,0 MHz
ThThe number of receiver – transmitter channels not less than 8
USM receiver – transmitter channels interference not more than -50 dB

Cue signal data
Scan range (soft measurement) 6,4 … 500 µs
Pulse repetition frequency 0,1 … 10 kHz
Testing zone not less than 200 µs
Testing zone delay not less than 1500 µs
TCG (time correction gain) range 0 … 138 dB
Time interval measurement accuracy 0,01 µs
Number of gates per channel not more than 8
Transmitter-receiver channels control independent
External controlled inputs/outputs 16

Maintenance data

Power consumption not more than 70 watt
Power Supply (on customers demand) AC 220V, 50Hz; DC 18 or 48V
Operating temperature range -10°C … +50°C
Overall dimensions 340õ100õ240mm
Relative humidity up to 98% at +35°C
Weight not more than 7kg

USM-8 is registered in:
Russia Ukraine