GE Ultrasonic USM Go Operator's Manual
GE
Sensing & Inspection Technologies Ultrasonic
P/N 1259801 Rev. 1
July 2009
USM Go
Operator’s Manual
GESensingInspection.com
©2009 General Electric Company. All rights reserved.
Technical content subject to change without notice.
USM Go
Ultrasonic Flaw Detector
Operator’s Manual
P/N 1259801 Rev. 1
July 2009
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Contents
USM Go Operator’s Manual iii
Chapter 1. General Information
1.1 Supplying Power to the Instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Powering the Instrument ON and OFF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.3 Using the Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.3.1 Instrument Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.3.2 Keypad Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.3.3 Joystick Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.3.4 Multi-Key Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.4 Using the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.4.1 Accessing the Acquire Mode Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.4.2 Accessing the Setup Mode Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1.5 Using the SD Slot, USB Connector & I/O Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
1.5.1 Removing the SD Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.5.2 Inserting the SD Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1.5.3 Connecting the USB Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
1.5.4 Connecting the I/O Port. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
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Chapter 2. Instrument Setup
2.1 Display Screen and Keypad Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.2 The Menu System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.3 Initial Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.3.1 Language, Units of Measurement, Date, and Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2.3.2 Display Appearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
2.3.3 Defining Function Toggle Actions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
2.4 Installing a Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
2.4.1 Connecting the Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
2.4.2 Configuring the Instrument. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
2.4.3 Adjusting the Pulser Repetition Frequency (PRF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
2.4.4 Setting the Pulser Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
2.4.5 Selecting the Pulser Type (OPTIONAL). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
2.4.6 Selecting the Pulser Width (OPTIONAL). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
2.4.7 Using the Phantom PRF Feature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
2.4.8 Selecting a Rectification Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
2.4.9 Setting the A-Scan REJECT Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
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2.5 Adjusting the A-Scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
2.5.1 Setting the A-Scan Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
2.5.2 Setting the Display Delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
2.6 Calibrating the Instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
2.6.1 Pre-Calibration Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
2.6.2 Using AUTOCAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
2.6.3 Checking the Calibration Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
2.7 Using the Calibration Reminder Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
2.8 Activating Instrument Upgrades. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Chapter 3. Making Measurements
3.1 Configuring Gate A and Gate B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
3.1.1 Positioning the Gates. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
3.1.2 Selecting the TOF-Detection Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
3.1.3 Setting Gate Alarms and Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
3.2 Using Angle Beam Probes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
3.2.1 Setting the Angle Beam Probe Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
3.2.2 Indicating Leg with Color . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
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3.3 Displaying Measured Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
3.4 Locking the Gain Toggle and the Joystick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
3.5 Setting the Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
3.5.1 Changing the Gain-Adjustment Increment (dB STEP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
3.5.2 Setting the User-Defined Gain Step (SETUP-GAIN-USER GAIN STEP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
3.6 Freezing the A-Scan Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
3.7 DAC/TCG Evaluation Mode (Optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
3.8 Using DAC Mode (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
3.8.1 Recording the DAC Curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
3.9 Using TCG Mode (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
3.9.1 Generating the TCG Reference Curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
3.9.2 Working with TCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
3.10Adjusting DAC or TCG Display and Adding Offsets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
3.10.1 Defining DAC or TCG Curve Offsets (DAC/TCG-OFFSETS-MODE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
3.10.2 Setting Transfer Correction (DAC/TCG-MAT ATTN-TRANSFER CORR). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
3.11Editing and Deleting DAC and TCG Reference Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
3.12Deleting a DAC Curve or TCG Reference Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
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3.13DGS Evaluation Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
3.13.1 Specifying a Probe and Preparing to Record the Reference Echo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
3.13.2 Record the Reference Echo that Defines the DGS Curve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
3.13.3 Display and Adjust the DGS Curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
3.13.4 Evaluating Results in DGS Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
3.13.5 Locks and Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
3.13.6 Validity of the DGS Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
3.14dB REF Evaluation Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
3.15AWS D1.1 Weld Rating Evaluation Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
3.16JISDAC Evaluation Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
3.16.1 Recording the JISDAC Curve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
3.16.2 Working with JISDAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
3.16.3 Deleting a JISDAC Curve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Chapter 4. Data Sets & Reports
4.1 The FILES Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
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4.2 Working With Data Set Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
4.2.1 Storing a New Data Set File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
4.2.2 Recalling a Data Set File. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
4.2.3 Deleting a Data Set File. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
4.2.4 Editing a Data Set File. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
4.3 Creating a Memo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
4.4 Including a Memo in a Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
4.5 Creating a Report Header . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
4.6 Including a Header in a Report. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
4.7 Creating a Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
4.8 Storing a Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
4.9 Fast Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Chapter 5. Data Recorder Files
5.1 Naming the Data Recorder File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
5.1.1 File Selection Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
5.1.2 File Naming Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
5.2 Configuring the Data Recorder File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
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5.3 Creating the Data Recorder File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
5.4 Viewing the Data Recorder File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
5.5 Using the Data Recorder File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Appendix A. Specifications
A.1 LCD Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
A.2 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
A.3 Pulser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
A.4 Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
A.5 Gates. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
A.6 Memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
A.7 Environmental. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
A.8 Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
A.9 USM Go Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Appendix B. Environmental Compliance
B.1 Waste Electrical and Electronic Equipment (WEEE) Directive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
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B.2 Battery Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
B.2.1 What do the Markings Mean?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
B.2.2 The Risks and Your Role in Reducing Them . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Appendix C. EN 12668 Specifications
USM Go Operator’s Manual xi
Preface
Safety Information
Before powering up or operating this instrument, the safety information in this section should be read carefully. This Operator’s Manual
should be stored in a safe place for reference.
IMPORTANT: This instrument is to be used only for testing materials in an industrial environment. Any use for medical applications or any
other purpose is not permitted.
IMPORTANT: This instrument is waterpr oof according to IP 67. It can be operated either with batteries or with the power supply unit. The
power supply unit meets the requirements of
Electrical Safety Class II.
Batteries
For battery operation of this instrument, GEIT only recommends the use of a lithium-ion battery. You should only use the battery
recommended by GEIT for operation of this instrument. You can charge the lithium-ion battery either within the instrument itself or with the
external battery charger.
IMPORTANT: See “Battery Disposal” on page 147 for instructions on proper battery disposal procedures.
Preface
xii USM Go Operator’s Manual
Important Ultrasonic Testing Guidelines
Please read the information in this section before using your instrument. It is important that you understand and observe this information to
avoid any operator errors that might lead to false test results. Such false results could result in personal injuries or property damage.
Using Ultrasonic Test Equipment
This Operator’s Manual contains essential information on how to operate your test equipment. In addition, there are a number of factors that
affect the test results, but a description of all these factors is beyond the scope of this manual. The three most important factors for safe and
reliable ultrasonic inspection are:
• Operator training
• Knowledge of special technical test requirements and limits
• Choice of appropriate test equipment
USM Go Operator’s Manual xiii
Preface
Operator Training
The operation of an ultrasonic test device requires proper training in ultrasonic testing methods. Proper training comprises adequate
knowledge of:
• The theory of sound propagation
• The effects of sound velocity in the test material
• The behavior of the sound waves at interfaces between different materials
• The shape of the sound beam
• The influence of sound attenuation in the test object and the influence of the surface quality of the test object
Lack of such knowledge could lead to false test results with unforeseeable consequences. You can contact GEIT or NDT societies or
organizations in your country (DGZfP in Germany; ASNT in the USA) for inform ati on on opportunities for training on ultrasonic
instruments that use time-of-flight measurements.
Accurate measurement results require a constant sound velocity in the test object. Steel test objects have only slight variations in sound
velocity, thus affecting only high precision measurements. Test objects made of other materials (e.g., nonferrous metals or plastics) may
have larger sound velocity variations, which could adversely affect the accuracy of the measurements.
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xiv USM Go Operator’s Manual
Test Object Material Effects
If the material of the test object is not homogeneous, the sound waves may propagate at different velocities in different parts of the test
object. An average sound velocity should then be used for the range calibration. This is achieved by using a reference block with a sound
velocity equal to the average sound velocity of the test object.
If substantial sound velocity variations are expected, then the instrument calibration should be adjusted to the actual sound velocity values at
shorter time intervals. Failure to do so may lead to false readings.
Test Object Temperature Effects
The sound velocity also varies as a function of the temperature of the test object. This can cause appreciable errors in measurements if the
instrument has been calibrated with a reference block at one temperature, and the instrument is then used on a test object at a different
temperature. Such measurement errors can be avoided either by ensuring that the reference block and the test object are at the same
temperature, or by using a correction factor obtained from published tables.
USM Go Operator’s Manual xv
Preface
Limited Warranty
For a period of two (2) years from the date of purchase, we warrant that the instrument will be free of any claim of ownership by third
parties, (ii) when new, be free from defects in material and workmanship and perform in accordance with the Product’s specifications under
normal use and service for the applicable warranty period following the date of sale. The second year of this warranty is valid only if the
instrument is calibrated to within t he provided specifications, by us or one of our certified service providers after month twelve of ownership
but before month fourteen begins. The duration of the warranty may be extended or modified by explicit service contracts.
This limited warranty shall not apply to any problems arising from (i) failure to follow the product instructions or failure to perform
preventive maintenance, (ii) service, repair or modification by someone other than us or one of our authorized service representatives; or
(iii) external causes, such as accident, abuse, misuse, or problems with electrical power.
This warranty does not cover parts identified as wear-and-tear parts or lamps, transducers, tubes, accessories, or optional equipment not
manufactured by us, which items may be covered by separate manufacturers’ warranties.
Our obligation under this warranty is limited to the repair or replacement of components determined by us to be defective within the
warranty period at no cost to the original purchaser. Customer shall arrange for delivery to us in approved packing material. This warranty
extends to the original purchaser and cannot be assigned or transferred to any other party.
EXCEPT FOR THE WARRANTY SET ABOVE, WE EXPRESSLY DISCLAIM ALL WARRANTIES AND REPRESENTATIONS OF
ANY KIND WITH RESPECT TO OUR PRODUCTS, WHETHER EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, TITLE AND ANY
WARRANTIES ARISING FROM COURSE OF PERFORMANCE, COURSE OF DEALING OR TRADE USAGE.
Preface
xvi USM Go Operator’s Manual
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Chapter 1. General Information
USM Go Operator’s Manual 1
Chapter 1. General Information
The USM Go is a portable ultrasonic flaw detector. In addition to its light-weight design, the USM Go includes a clean and simple user
interface and a large, easy-to-read color WVGA (800x480) display. When operating in Acquire Mode, the instrument provides ultrasonic
flaw detection and thickness measurements. In this mode, it is capable of storing A-Scans, operating parameters, and reports. Prior to using
the Acquire Mode, the instrument display and operating parameters must be configured by using the Setup Mode. The following specific
topics are discussed in this chapter:
• Supplying power to the instrument
• Powering the instrument ON and OFF
• Using the keypad
• Using the display
Chapter 1. General Information
2 USM Go Operator’s Manual
1.1 Supplying Power to the Instrument
Figure 1: Rear and Side Views of the USM Go Case
Accessory Mounting Screw
Battery Charger
Connection
1/4-Turn Screw (CW to close, CCW to open)
Slot
Receive Probe
Power ON/OFF
1/4-Turn Screw (CW to close, CCW to open)
Pulse/Transmit Probe
Connection
Connection
Chapter 1. General Information
USM Go Operator’s Manual 3
1.1 Supplying Power to the Instrument (cont.)
The USM Go can be powered in either of two ways (see Figure 1 on page 2):
• A lithium battery pack that is installed in a compartment on the rear of the case, or
• An external power adapter plugged into the connector on the side of the case
CAUTION! Use only the GEIT Lithium battery pack in this instrument, and charge only this battery pack in the instrument or in
the provided GEIT charger/adapter.
To remove the battery compartment cover, loosen the two 1/4-turn screws and then lift up on the slot between the screws. The standard
GEIT Lithium battery pack is designed to provide maximum operating life between chargings.
The approximate level of remaining battery life is shown on the display (see Figure 2 on page 5) by the battery icon, , and the
approximate “hours of charge” indication below the icon. When a fully-char ged battery pack is installed, the icon will appear as “full,” and
the icon will begin to “empty” as the battery life is depleted. When the battery indicator is down to one-quarter full, charge the battery pack
as soon as possible.
Note: The instrument automatically shuts OFF when the batteries are too weak for reliable operation. However, your settings are saved
and then restored when the instrument is turned back ON. When testing in remote locations, always carry a spare battery pack.
Chapter 1. General Information
4 USM Go Operator’s Manual
1.1 Supplying Power to the Instrument (cont.)
When the AC adapter is connected to the instrument, the icon in the upper right corner of the display indicates the percentage of full-charge
of the battery pack. When removing the battery pack to install a charged spare, the instrument will auto matically turn OFF if the AC adapter
is not connected to the instrument. However, if the adapter is connected, the instrument will remain ON while you change battery packs.
1.2 Powering the Instrument ON and OFF
To power the USM Go ON or OFF, simply press the power button, , on the side of the case (see Figure 1 on page 2). As soon as the
button press is recognized, you will hear the click of an internal relay. Then, after about 4 seconds, the display controller will be fully loaded
and the display will become visible.
1.3 Using the Keypad
The USM Go is designed to provide the user quick access to all of the instrument's functions. Its easy-to-use menu system allows any
function to be accessed with a minimum of effort. The functions typically used to collect ultrasonic data are located in the Acquire Mode
menu, while those used to configure the instrument are found in the Setup Mode menu.
See Figure 2 on page 5 for the locations of the front-panel components described in this chapter.
Chapter 1. General Information
USM Go Operator’s Manual 5
1.3 Using the Keypad (cont.)
Figure 2: Front Panel of the USM Go
Gain Toggle
Display Screen
Joystick
Battery Indicator
Function Toggle
Chapter 1. General Information
6 USM Go Operator’s Manual
1.3.1 Instrument Orientation
One of the innovative features of the USM Go is the user option to quickly and easily rotate the instrument 180° to accommodate either
right-hand or left-hand operation. During this process, the display image is also rotated to allow proper viewing. Figure 3 below shows the
instrument in both orientations.
Figure 3: USM Go in Left-Hand and Right-Hand Orientations
Chapter 1. General Information
USM Go Operator’s Manual 7
1.3.2 Keypad Components
The USM Go keypad includes the following items (see Figure 2 on page 5):
• Center-press joystick ( ): The joystick may be moved either “left or right” or “up or down.” In addition, the center of the joystick
may either be “pressed” or “pressed and held.”
• Gain toggle ( ): The two ends of the gain toggle act as separate buttons. One end is the “Gain DOWN” button, while the other end is
the “Gain UP” button. Either end of the gain toggle can either be “pressed” or “pressed and held.”
• Function toggle ( ): The two ends of the function toggle act as separate buttons. One end is the “Function 1” button, while the other
end is the “Function 2” button. Either end of the function toggle can either be “pressed” or “pressed and held.”
Note: The gain toggle is always at the top of the instrument, and the end of the function toggle closer to the display is always the
“Function 1” button, regardless of the chosen instrument orientation.
Chapter 1. General Information
8 USM Go Operator’s Manual
1.3.3 Joystick Functions
The effects of the joystick actions described on th e prev ious page are as follows:
Joystick Center Press:
• When in Acquire Mode, a single press and release ( ) toggles the A-Scan display between standard size and full screen mode.
• When in Setup Mode, a single press and release ( ) activates or deactivates a parameter for adjustment.
• When in Acquire or Setup Mode, a 2-second press-and-hold ( ) switches to the other mode.
Joystick Movement:
• When in Acquire or Setup Mode, moving up/down ( ) scrolls between the available function options for the highlighted menu.
• When in Acquire or Setup Mode, moving left/right ( ) highlights a menu option or adjusts the value of a selected parameter.
Chapter 1. General Information
USM Go Operator’s Manual 9
1.3.4 Multi-Key Functions
Note: All multi-key functions are defined with the instrument in the left-hand orientation (see the left side of Figure 3 on page 6).
• Power button + Function 2 button + Gain DOWN button
Pressing and holding these three buttons simultaneously causes the instrument to initiate a software upgrade.
Note: A formatted SD card with a valid USM Go upgrade file in the root directory must be inserted prior to pressing these buttons.
• Power button + Function 2 button + Gain UP button
Pressing and holding these three buttons simultaneously causes the instrument to ignore the last known setup and revert to the factory
default settings.
Important: The last known setup will be overwritten and lost during this process.
• Gain UP button + Gain DOWN button
Pressing and holding the two Gain Toggle buttons simultaneously activates the AUTO80 function for the current Evaluation Mode.
Chapter 1. General Information
10 USM Go Operator’s Manual
1.4 Using the Display
Typical displays for the USM Go Acquire Mode and Setup Mode menus are illustrated in Figure 4 below. See the following pages for
step-by-step instructions on accessing these menus.
Figure 4: Acquire Mode (Left) and Setup Mode (Right) Displays
Battery Indicator
Gain Window
Gate Results
Menu Bar
Parameters
Grid Menu Bar
Parameters
Menu Title
Chapter 1. General Information
USM Go Operator’s Manual 11
1.4.1 Accessing the Acquire Mode Menu
To access the Acquire Mode menu, refer to the left side of Figure 4 on page 10 while completing the fo llowing steps:
1. Move the joystick left or right ( ) until the desired menu is highlighted on the menu bar. The function bar automatically shows the
parameters available in the highlighted menu.
2. Move the joystick up or down ( ) to highlight the desired parameter.
3. While the desired parameter is highlighted, change its value by moving the joystick to the left or right ( ) or by pressing either end
of the function toggle ( ). For parameters with continuous values, the function toggle acts as a course adjustment, while the joystick
acts as a fine adjustment. For selecting a parameter value from a list, either the joystick or the function toggle may be used to step
through the list one item at a time.
Note: Pressing both ends of the function toggle simultaneously resets a highlighted parameter to its default value.
Chapter 1. General Information
12 USM Go Operator’s Manual
1.4.2 Accessing the Setup Mode Menu
To access the Setup Mode menu, refer to the right side of Figure 4 on page 10 while completing the following steps:
1. Press and hold the center of the joystick ( ) to toggle between Acquire Mode and Setup Mode.
2. Move the joystick left or right ( ) until the desired menu is highlighted on the menu bar. The function bar automatically shows the
parameters available in the highlighted menu.
3. Move the joystick as required ( ) to highlight the desired parameter.
4. Press the center of the joystick ( ) to activate the highlighted parameter. The parameter value can now be changed either by moving
the joystick ( ) as a fine adjustment or by pressing either end of the function toggle ( ) as a coarse adjustment. Press the center
of the joystick ( ) again to deactivate the highlighted parameter.
Note: Step 4 above applies to the setting of all parameters, except for specifying the actions associated with the function toggle keys. For
instructions on configuring these keys, see “Defining Function Toggle Actions” on page 35.
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