In order to achieve an official certification, one must:

• Attend certification training and pass the General, Specific and Practical examinations with a score of 80% or better.
• Documentation of education or experience must be maintained annually.
• Hearing acuity must meet the minimum requirement of one ear of less than 25 dBHL at 500 Hz to 4 kHz (with or without aid.) Hearing acuity examinations must be documented annually.

• Certification requirements for Level I, Level II and Level III reviewed
• Theory Of Sound
• Basic Physics of Ultrasound
• Concepts of Amplitude, Velocity, Wave Modes, Ultrasound Wave Transmission and Effects
• Effectiveness of Airborne Ultrasound
• Typical Applications Overview
• Technology Integration
• Equipment/Instrument/Software Overview
• Generalized methods of recording and reporting inspection results

Leak Detection

• Concepts of Leak Detection
• Fluids Defined
• Leak Rates
• Acoustic Properties of a Leak
• Types of Leaks
• Leak Strategies

Leak Detection Methods

• Pressure
• Vacuum
• Ultrasonic Sound Generation
• Liquid Leak Amplification
• Gross-to-Fine Method
• Leak Confirmation Methods
• Working in Noisy Environments
• Shielding Techniques
• Inspecting Heat Exchangers

Conducting a Compressed Air Leak Survey

• Determining CFM loss
• Computing energy savings
• Carbon footprint reduction
• Recording and reporting survey results

Electrical Inspection:

• Safety Considerations
• Overview of Types of Electrical Equipment
• Voltages Defined
• Acoustic Effects Versus Heat Generated Defects
• Integration of Ultrasound and Infrared Methods
• Detection Methods for High Voltage Equipment
• Overview of Equipment for High Voltage Inspection
• Detection Methods
• Confirmation Methods
• Substation Inspection
• Radio Frequency Interference
• Television Frequency Interference Detection Methods
• Spectral Analysis of Common Electric Emissions

Contact Approach

• Mechanical Inspection Overview
• Valves
• Compressor Inspection
• Hydraulic Valves

Steam Trap Inspection:

• Steam Applications
• Steam Trap Types
• Acoustic Properties
• Inspection Techniques
• Recording and Reporting

Mechanical Inspection:

• Considerations of Ultrasonic Generation
• Strategies of Mechanical Inspection
• Review of Proactive and Predictive Maintenance Concepts
• Generic Trouble Shooting Methods
• Generic Trending Methods
• Inspection of Compressors
• Gears, Pumps, Motors, Fans
• Isolating Sound Sources
• Bearing Inspection/Trending Concepts
• Condition Based Lubrication
• Lubrication Starvation
• Over Lubrication
• Levels of Failure
• Monitoring
• Data Logging
• Sound Analysis and Recording Methods
• Sound Spectral Analysis
• Data Management
• Recording and Reporting Results

• Review of Airborne Ultrasound Technology, Applications and Methods
• Practical Experience Review
• General, Specific and Practical Examination

为了获得正式认证，必须：

• 参加认证培训，并通过一般考试、专项考试和实践考试，成绩为80%或以上。
• 必须每年保持教育或经验文件。
• 听力必须达到单耳在500 Hz至4 kHz的听力低于25dBHL的最低要求（无论是否有助听器） 听力检查必须每年都有记录。
• 由主管或上级签署的6个月的经验文件，加上6个月的一级经验，累计12个月的经验，才有资格获得二级的正式认证。

二级证书候选人应该：

• 熟练掌握其超声波设备
• 熟练掌握现场的数据采集工作
• 应具备基本的计算机技能（如Word、Excel、电子邮箱）
• 对机载/结构承载超声一级内容有基本的工作知识

报考二级的考生必须携带：

• 一台有管理权限的笔记本电脑，用于软件安装和通过USB/读卡器插槽输入/导出数据
• 安装UE系统最新版本的UE Spectralyzer软件

Sound Theory and Condition Monitoring

• Ultrasound Theory
• Low Frequency versus High Frequency
• Sound Characteristics
• Acoustic Impedance
• Reflection, Absorption, Scattering, Attenuation, Inverse Distance Law
• Sources of Ultrasound
• Definitions of Frequency, Decibel, Sensitivity
• Deeper Understanding of Heterodyning, Time Wave Form, FFT – Fast Fourier Transform
• Decibel vs FFT/Time Wave Form

Condition Monitoring

• Principals of Conditioning Monitoring
• Thermography, Vibration Analysis, Oil Analysis, Motor Circuit Analysis
• The P-F Curve
• Equipment Condition and Times
• Understanding Cost
• Ultrasound in Condition Monitoring
• Best Practices of Condition Monitoring (Following Procedure, Timelines, Criticality Analysis, Failure Mode Analysis, Route Building, Repeatability)

Ultrasonic Equipment

• Equipment, Transducers, Heterodyning, Frequency Tuning
• Airborne Ultrasound Equipment, Displays and Basic Operation, Modules, Dedicated Monitors, Tone Generator
• Adjusting the Sensitivity of the Equipment, Checking Sensitivity of Equipment

Software

• Data Management Software
• Spectral Analysis Software

Practical Quiz of Day’s Lessons

Data Collection

• Best Practices of Data Collection
• Data Collection with Airborne Structure Borne Ultrasound

Compressed Gas

• Leak Inspection
• Leak Inspection Strategies
• SAFETY
• Pressure & Vacuum Leaks
• Procedure
• Compressed Air Leak Survey
• Reporting
• Hands on Practice of Cost Analysis and Reporting

Electrical

• Electrical Inspection
• Analyzing Corona
• Analyzing Tracking
• Discharge Points of Tracking
• Discharge Points of Arcing
• Loose Vibrating Components
• Performing Inspection
• Establishing a Procedure
• Important Considerations
• Troubleshooting/Baseline Procedures
• Trending Procedures
• Hands on Practice of Analysis of different Electrical Anomalies

Practical Quiz of Day’s Lessons

Valves

• Cavitation in Valves
• Flashing in Valves
• Write the Procedure
• Reporting

Steam Trap Inspection

• Steam Trap Function
• Type of Traps
• Mechanical Trap
• Inverted Bucket Trap
• Float Trap
• Float and Thermostatic Trap
• Thermostatic Traps
• Metal Expansion Traps
• Balance Pressure Bellows
• Bi-Metallic Trap
• Thermodynamic Traps
• Reasons Why Steam Traps Fail
• Steam Trap Inspection
• Safety
• Hands on Practice with software of Steam Trap Analysis and Reporting

Practical Quiz of Day’s Lessons

Bearing Inspection

• Bearing Dynamics
• What is a Bearing?
• Bearing Failure Mechanisms
• Bearing Inspection
• Mechanical Testing Best Practices
• Inspection Methods
• Mechanical Inspection Trending

Recommended Procedure for Ultrasonic Analysis and Lubrication of Bearings

• Basic Lubrication Principles
• Lubrication with Ultrasound
• Proper Steps Using Ultrasound to Lubricate
• Over Lubrication
• Lubrication Procedures
• Mechanical Inspection Safety Tips

Hydraulic Inspection

Pumps and Cavitation

Gear Boxes and Using a Time Wave Form Spectral Analysis

Hands on Practice of DMS Route Building

Hands on Practice of UE Spectralyzer analyzing mechanical faults

Hands on Practice of Generating Reports

Practical Quiz of Day’s Lessons

Review of Weeks Material for Final (45min)

2-hour Final Examination (60 multiple choice questions)