Dakota NDT BT1-DL - User Manual

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OPERATION MANUAL

Dakota NDT

BT1-DL

Ultrasonic Bolt Tension Monitor

P/N P-156-0007 Rev 1.00, January 2024

Main Page

Table of Contents3
Chapter One Introduction7
General Disclaimer7
Safety7
Warranty8
Chapter Two about this Manual9
New to Ultrasonics9
New to Fastener Measurement9
Bt1-Dl Overview9
Tabbed & Hot Menu Reference12
Chapter Three Quick Start Guide14
Overview14
Getting the Bt1-Dl Ready14
Setting up the Bt1-Dl14
Creating a New Group to Store Measurements17
Setting the Approximate Length25
Measuring Reference Lengths28
Measuring Elongations29
Chapter Four Keyboard, Menu, & Connector Reference31
Menu Key (Operation & Sub Menus)31
Cal - Menu33
MATL (Material) - Menu34
GEOM (Geometry) - Menu34
DISP (Display) - Menu35
Tune - Menu36
Gates - Menu37
Auto - Menu37
Setup - Menu38
Data - Menu38
UTIL (Utilities) - Menu39
XFER (Transfer) - Menu40
Key40
Meas ( Measurement Mode ) Key40
Ok Key40
Esc Key41
Arrow Keys41
Enter Key41
Auto Set Key41
On/Off Key41
Navigating the Hot Menu41
Top & Bottom End Caps43
Chapter Five Theory of Operation44
Ultrasonic Measurement of Bolts44
Features of the Bt1-Dl44
Ultrasonic Waves45
Measurement Mode45
Chapter Six Bolt Preparation46
Use of Ultrasonic Couplant46
Transducer Contact Requirements46
Bolt End Reflectors48
Chapter Seven Transducer Selection50
Selecting the Transducer50
Chapter Eight Measuring System Zero (Calibration)51
Introduction51
Calibration / Zero Misnomer51
Creating a Group to Document Zero (Calibration) Data52
Auto - Zero/Calibration53
One & Two Point Zero Calibration56
Verification of System Zero Calibration64
Using a 'Set Aside' Bolt71
Chapter Nine Temperature Compensation73
Purpose73
Manual Mode73
Semi Automatic Mode74
Automatic Mode76
Chapter Ten Bolt Material Calibration77
Why Calibrate77
Velocity Calibration77
Stress Factor Calibration81
Temperature Factor Calibration85
Chapter Eleven Load Measurment88
Calculating Load Factor88
Calibrating Load Factor (Field Calibration)90
Performing a Field Calibration91
Chapter Twelve Measurement & Waveform Display105
Quantities of Measurement105
Display View Options106
Adjusting the Display110
Gain114
Gate117
Threshold120
Interpreting the Waveform123
Manually Locating the Echo124
Automatic Echo Optimization (Auto Set)126
Unloaded Length and Elongation Measurements129
Chapter Thirteen Additional Features130
Quality/Correlation (Transducer Placement)130
Lock System Zero130
Contrast131
Backlight132
Graphics Options (Look & Feel)133
Pulse135
Pulser Voltage136
Damping137
Digitizer138
Polarity139
Alarm Mode140
Key Click143
Date & Time143
Upgrade Gauge145
Freeze & Capture146
Capture Viewer147
Chapter Fourteen Data Storage - Setup, Edit, & View Files149
Introduction to a Project149
Creating a Project Folder/Directory149
Viewing & Opening a Project Folder151
Introduction to Group (Spreadsheet) Format152
Creating a New Group153
Storing a Reading156
Viewing Stored Readings157
Deleting Groups (Files)158
Editing a Group (File)161
Changing the Active File - Open163
Closing an Active File - Close165
Chapter Fifteen Setups - Create, Store, Edit, & Recall166
Introduction to Setups166
Opening a Setup166
Saving a Setup167
Deleting a Saved Setup170
Using the Default Setup172
Selecting Aanguage Laanguagenguaanguagege173
Chapter Sixteen Software, File Transfer, & Upgrades175
Computer System Requirements175
Installing Dakview175
Communicating with Bt1-Dl175
Line Power175
Upgrading the Bt1-Dl175

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Dakota NDT BT1-DL Specifications

General

Brand	Dakota NDT
Model	BT1-DL
Category	Monitor
Language	English

Dakota NDT BT1-DL - User Manual

Table of Contents

Dakota NDT BT1-DL Specifications