Cygnus M2-DIVE - Page 49

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Cygnus DIVE Operating Manual M2-DIVE-M-ENG_Iss5.docx

Page 49 of 118

directly underneath the probe face as the gauge may

incorrectly measure the depth of the couplant.

Large Corrosion Pits.

The A-Scan display can assist you - you will see a unclear

ultrasound signal with no distinct back-wall echo.

Corroded Metal

Couplant

Probe

Avoid Measuring Directly Over Corrosion Pits.

Pit

Main Page

Default Chapter3
- Table of Contents3
1 Introduction8
- Cygnus DIVE Underwater Thickness Gauge8
- Cygnus Instruments9
2 Gauge Kit Contents10
3 The DIVE Gauge11
- Features of the DIVE Gauge11
- Fitting the DIVE Gauge11
4 Batteries14
- Important Notes14
- Use in Hyperbaric Conditions14
- Shipping of Lithium Batteries14
- Fitting the Battery14
- Removing the Battery15
- Charging the Battery16
5 Fitting the Ultrasonic Probe17
- Important - Cap Fitment17
- Connecting the Probe17
- Probe Calibration Check Message18
- Securing the Probe While Diving19
6 Ultrasonic Probes (Transducers)20
- Important Notes20
- Probe Types20
- Single Element Probes20
- Twin Element Probes21
- Identifying Single or Twin Element Probes21
- Probe Identification Band22
- Probe Frequencies22
- Probe Measurement Ranges23
- Probe Selection Chart25
- Single Element Probes and Protective Membranes26
- Changing the Protective Membrane on Single Element Probes27
- Automatic Probe Type Detection28
- Twin Element Probe Wear Indication28
7 Measure Modes29
- Multiple Echo Mode (ME)29
- Single Echo Mode (SE)29
- Echo-Echo Mode (EE)30
- Measuring Small Diameter Pipe & Tubes31
8 Why Should I Calibrate My Thickness Gauge32
9 Using the DIVE Gauge33
- Turning the Gauge on33
  - Zeroing the Probe (Twin Crystal)34
- Turning the Gauge off34
- Before each Dive35
- The Measurement Screen36
- Surface Preparation38
- Taking a Thickness Measurement40
- Measuring Small Pipe with Twin Crystal Probes40
- Signal Strength Indication40
- Echo Bars in Multiple Echo Mode41
- Stability Indication in Single Echo & Echo-Echo Modes42
10 Interpreting the A-Scan Display in Multiple Echo Mode43
- Pits and Flaws44
- Heavy Corrosion45
11 Interpreting the A-Scan Display in Single Echo Mode47
- Measuring over Corrosion Pits48
12 Interpreting the A-Scan Display in Echo-Echo Mode50
13 Changing Gauge Settings51
- The Two Button System51
  - Button Functions in Menus51
  - Button Functions in Setup Screens52
- Gauge Settings Saved with Probe Type52
- Displaying the Menu53
- Menu Tree Diagram54
- Calibration Lock Feature66
14 Data Logging67
- Autolog Feature67
- Grouping Measurements68
- Measurement Screen While Data Logging68
- Starting a Data Logging Session (START LOGGING)69
- Ending a Data Logging Session (STOP LOGGING)69
- Starting a New Group of Measurements (START NEW GROUP)70
- Deleting the Last Measurement (DELETE LAST)70
- Clearing the Data Logger Memory (CLEAR MEMORY)71
- Viewing the Data Logging Status (DATA LOGGER STATUS)72
- Setting the Autolog RELEASE Period (DLOG RELEASE TIME)72
15 Helmetview Remote Display73
- Fitting the Mounting Bracket73
16 Topside Repeater Remote Display Kit75
- Part Numbers75
- Kit Contents75
- Operation76
- Topside Repeater with Video Overlay77
  - Connecting the Video Signal78
  - Positioning the On-Screen Display78
17 Cyglink Surface Display and Control Kit80
- Part Numbers80
- Kit Contents80
- Connection Diagram81
- Connector Details and Signals81
- Using Cyglink with Helmetview81
- Installing Cyglink82
- COM Port Numbers83
  - Setting the COM Port Manually83
  - Finding Your COM Port Number83
- Connecting to the Gauge84
- Changing Gauge Settings87
  - Material Velocity List87
- A-Scan Measurement Cursors88
  - Using the A-Scan Cursors with Twin Crystal Probes88
- Cyglink Surveys and Data Logging89
- Transferring Data Logged Measurements from the DIVE Gauge92
- Logging Measurements Directly in Cyglink93
- To Change the COM Port Number Assigned by Windows95
  - Opening Device Manager95
- Cyglink Trouble Shooting96
  - Connection Problems - USB Drivers96
  - Wiring Problems97
18 General Points on Thickness Gauging Using Multiple Echo Measurements98
19 Care and Servicing99
- Cleaning the Gauge99
- Batteries99
- Environmental99
- Repairs100
- Returning the Gauge for Servicing100
20 Replaceable Parts101
- Wrist Strap101
- Push Buttons101
21 Spares and Accessories List102
- Ultrasonic Probes102
- Probe Spares for S*C 13Mm (½") Probes102
- Probe Spares for S*A 6Mm (¼") Probes102
- Gauge Spares103
- Accessories103
- Miscellaneous Spares104
22 Technical Specifications105
23 Table of Sound Velocities108
- Reading Conversions109
24 Recycling and Disposal (EC Countries)110
25 Shipping of Lithium-Ion Batteries111
- Battery Information111
26 Warranty Information112
27 Pressure Test Statement113
28 Connection Diagram: Umbilical Cable114
29 Connection Diagram: Umbilical to TSR115
30 Connection Diagram: DIVE to Umbilical116
31 Index117

Cygnus M2-DIVE - Page 49

Table of Contents