GE USM Go - Ultrasonic Flaw Detector / Thickness Gauge

Available as:
  • Rental
  • Sale (ex rental)

Available for rental/hire, the GE USM Go Ultrasonic Flaw Detector / Thickness Gauge.


The new ultrasonic Go platform from GE’s Inspection Technologies business combines a thickness gauge and a flaw detector in one single lightweight instrument.

The USM Go ultrasonic portable flaw detector has been ergonomically designed to provide an instrument that is light, small and easy to use in the harshest of inspection environments.

As standard this instrument will be shipped with the following accessories:

  • Portable Appliance Certificate
  • Software Disc
  • Battery Charger
  • 240v Mains Lead
  • Couplant, Wrist Strap
  • 1x Li-Ion Battery
  • SD Multimedia Card

The following Thickness Kit will also be included in the standard rental cost:

  • Calibration Certificate
  • Quick Start Manual
  • Operations Manual
  • GE Stepwedge (1mm - 8mm)
  • GE Cable (Double Lemo 00)
  • GE DA401 Dual Transducer

If required, the following Flaw Kit can also be rented from Ashtead Technology at an additional cost:

  • Operations Manual
  • Calibration Certificate
  • GE DSM MAP 45-4 Transducer
  • GE DSM MAP 60-4 Transducer
  • GE DSM MAP 70-4 Transducer
  • GE DSM CD 10-5 Dual Transducer
  • GE Cable (Single Lemo 00 - Microdot)
  • GE Cable (Twin Lemo 00 - Microdot)
  • GE K2 Calibration Block.

If you require the Flaw Kit with your rental, please mention this to the customer service representative at the time of ordering.

Key features

  • Screen: 800 x 480 pixel display, which is better resolution than a standard DVD
  • Small size, lightweight, robust, dust- and waterproof construction allow the instrument
  • Backwall Echo Attenuator (BEA) helps to find very small defects improving detectability
  • Automatic Gate Threshold for the 2 gates ensuring accurate measurements made under the same conditions
  • Video recording upto 8 minutes allows live reporting
  • Precise Time of Flight indication in μs


  • Weld Inspection: Trigonometric projections
  • Weld Inspection: AWS
  • Weld Inspection: DAC
  • Weld Inspection: DGS
  • Inspection of Forgings and Castings: Manual PRF adjustment
  • Inspection of Forgings and Castings: Phantom echo indicator
  • Inspection of Forgings and Castings: DGS
  • Inspection of rails: High PRF (up to 2000 Hz)
  • Inspection of rails: Small size and ergonomics
  • Inspection of Composites

Technical specifications

Probe ConnectorsTwo LEMO-00
UT Output ConnectorSAP output, alarm
USB InterfaceMicro USB connector
SD Card ConnectorFull size SD card slot to accommodate standard SD cards
Pulser ModeSimulated spike standard, uni-polar square wave optional
Pulser Voltage (SQ Mode)120 V to 300 V with 10 V steps
Pulser Width (SQ Mode)30 ns to 500 ns with 20 ns steps
Pulser Amplitude (Spike Mode)Low : 120 V / High: 300 V
Damping50 or 1000 Ohms
PRFAutomatically optimized between 15 Hz to 2000 Hz, 3 automatic adjustment modes : AutoLow, AutoMed, AutoHigh - Manual Control of PRF from 15
Range14016 mm at steel longitudinal wave (557”)
Digital GainDynamic range of 110 dB, with 0.2 dB step
Analog Bandwidth0.2 MHz - 20 MHz
FiltersBroad band Narrow band filters 1; 2; 2.25; 4.5; 10; 13; 15 MHz
Independent Gates2 Gates (A and B), Gate B can support triggering by Gate A
Rectification- Full Wave (FW) - Positive (POS) - RF - Negative (NEG)
Measurement- Peak - Flank - JFlank
Measurement units- TOF - Amplitude - in, mm, μs - % dB
Capacity2 GB SD card. Up to 16 GB memory cards can be used
ReportJpeg and BMP reports
Data LoggerOption for thickness or A-scan recording, compatible with UltraMATE
Battery6 hours battery life. On board charging. Off board charging with optional adaptor. Proportional battery gauge indicating remaining operation
Battery (additional info)Automatic energy server mode (Auto Off) allows saving battery life by putting the instrument in sleep mode automatically when not in use
Charger“Universal” AC (100-240 V, 50-60 Hz) Meets CCC, CE, UL, CSA and PSE requirements
LanguagesBulgarian, Chinese, Czech, Dutch, English, French, German, Hungarian, Italian, Japanese, Portuguese, Polish, Russian and Spanish
Protection as per Mil-Std-810F
Damp Heat and Humidity (Storage)10 cycles: 10 hrs at 60°C (140°F) down to 30°C (86°F), 10 hrs at 30°C (86°F) up to 60°C (140°F), transition within 2 hrs, 507.4
Temperature Shock (Storage)3 cycles: 4 hrs at –20°C (-4°F) up to 60°C (140°F), 4 hrs at 60°C (140°F), transitions within 5 minutes, 503.4 Procedure II
Vibration514.5-5 Procedure I, annex C, figure 6, general exposure: 1 hr each axis
Shock6 cycles each axis, 15 g, 11 ms half sine, 516.5 Procedure I
Loose Cargo (In Shipping Container)514.5 Procedure II
Transit Drop (Packaged for Shipment)516.5 Procedure IV, 26 drops
Operating Temperature Range0°C to 55°C (32 to 131°F)
Storage Temperature Range-20°C to 60°C (-4 to 140 °F) with battery, 24 hrs
Dustproof / WaterproofAs per IEC 529 specification for IP67 classification
Compliance - EMC/EMIEN 55011, EN61000-6-2:2001
Compliance - UltrasoundEN 12668, ASTM E1324, E317, ANSI/NCSL Z 540-1-1994, MIl STD 45662A, MIL STD 2154
Options - Backwall Echo AttenuatorAllows improved defect detectability


Size175 x 111 x 50mm6.8” x 4.3” x 1.9”
Weight845 g with the battery1.87 lb with the battery
LCD Display - Active Area108 x 64.8 mm4.25” x 2.55”