USM GO+ Ultrasonic Flaw Detector

The USM Go+ ultrasonic flaw detector is simple to operate using one hand with new arrow-keys. It weighs less than 2 pounds, is robust and well-sealed meeting IP67, and built to withstand the rigors and use in harsh industrial environments. It is large, high resolution (WVGA) A-Scan display and outstanding ultrasonic performance for inspection activities.  The first choice when top UT performance, combined with ultra-portability and one-hand operation is required.


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Features & Benefits
  • Lightweight (850g)
  • Record up to an 8-minute video for review on the instrument or free PC player
  • TrueDGS® Defect Sizing with highest available accuracy
  • Back wall Echo Attenuation helps to detect extreme small defects
  • IP67 Protection
  • 800 x 400 bright colour LCD (>200cd/m²)
  • USM Go+ is extendable to DMS Go+ Thickness Gage instrument
  • Equipped with an arrow-keypad and the latest industrial electronics
  • Ambidextrous use with flip function of screen & controls
  • Phantom echo identifies echoes from acoustic wrap around by a sideways movement on the screen
  • AUTOANG (Auto Angle) feature calculates the refracted angle of an angle beam wedge and utilizes it for Trigonometic flaw location projections
  • Standard USB connection to allow data to be downloaded from the flaw detector for further analysis or storage
  • Reports produced in jpeg or bmp format
  • No need for special reading software programs or interface cables
  • A simple on-board data logger to collect and save thickness measurements

A wide range of applications
The USM Go+ has been designed to provide flaw detection capability in inspection situations throughout the industrial and process spectrum, from aerospace to power generation and from the automotive sector to the oil and gas industry.

Weld Inspection:
• Trigonometric projections with curvature correction.
• AWS D1.1 sizing
• Color Leg

Inspection of Forgings and Castings:
• Manual PRF adjustment
• Phantom echo indicator
• Backwall Echo Attenuator (BEA)

Inspection of rails:
• High PRF (up to 2000 Hz)
• Lightweight: 850 g (1.87 lb.)
• Small size and ergonomics

Inspection of Composites:
• RF Display
• 2 gates with B-start triggered with echo in gate A
• TCG correction with high slope 120 dB/μs
• Reflector depth indicated in layer

For more demanding applications:
• Narrow band filters
• Low noise digital amplifier
• Square wave pulser

Display 5 inch,

800 x 480 pixels,

108 × 65 mm (W x H),

>200 cd/m2

Size (W x H x D) 175 x 111 x 50 mm
Weight 850 g with battery
Protection class IP 67
Operating temperature 0 – 55 °C
Battery Li-Ion, rechargeable,

6 hours operation time

Power adapter / charger 100 – 240 V AC, 50/60 Hz
Probe connector 2 x Lemo-00 (T/R)
PC interface Mini USB
Memory card SD-Card 16 GB max
Reporting Test report and A-Scan screen shot on SD-Card,

Video recording of A-Scan

Pulser 120 – 300 V,

30 – 500 ns,

flank < 10 ns,


Square wave option

Pulse Repetition Frequency 15 – 2000 Hz
Damping 50 and 1000 Ohm
Receiver 110 dB dynamic, 0.5 ~ 18.5 MHz analog bandwidth
Filter BB

1-5 MHz, 2,25 MHz, 4 MHz, 5 MHz, 10 MHz, 13 MHz, 15 MHz

Gates A and B independent, B triggered by A, C option
Units mm, inch, μs
Options AWS sizing tool (AWS D1.1),

DAC 16 points according to EN 1712, EN 1713, EN 1714, ASTM E164,

TCG 110 dB dynamic,

DGS sizing tool according to EN 1712, EN 1713, EN 1714, ASTM E164,

Data Logger,

3rd gate C,

Square Wave Pulser



EN 55011,EN 61000-6-2: 2011,

EN 12668, ASTM E 1324, E317, ANSI/NCSL Z 540-1-1994,

MIL-STD 45662A, MIL-STD 2154

Description Download
USM Go+ Brochure
USM Go/Go+ Operating Manual
PC Player
USM Go+ Software Update V3.29