Verificación Básica de Funcionamiento
La verificación básica de funcionamiento de la cámara termográfica, comúnmente llamada ‘verificación por conducto lagrimal’, es algo que podría ser recomendable realizar antes de llevar a cabo una inspección importante. Lo anterior no es una verificación de calibración, la cual únicamente se podría realizar con una o varias ’Fuentes de Calor Infrarrojas’ a diferentes valores de temperatura.
Identifying Rotor Axial Movement with Current Signature
The rotor and stator form a constantly changing rotating magnetic field. The magnetic field generated by current flow in the magnet wire coils in the stator is enhanced by the stator core. This rotating three-phase magnetic field cuts through the rotor bars and induces a voltage which causes current flow in the rotor and the creation of a magnetic field. The magnetic field in the rotor tries to lock in with the polarity, at any instant in time, with the stator field. It is for this reason, the rotor and stator magnetic fields interaction is extremely sensitive to rotor position, axially
¿Hacia dónde va el aire caliente?
En algunas ocasiones en mis entrenamientos de termografía me preguntan, ¿Cuál ha sido la imagen térmica más interesante que he tomado? Esto me hace recordar la ocasión que un piloto me pidió que tomara la imagen térmica del globo aerostático ‘Mayflower’.
Refresher – Level 1-Roof Applications
Course Details
Are you proficient at conducting successful low-slope roof inspections? Do you have a thorough understanding of the conditions needed for a successful roof inspection? Do you remember the difference in winter/summer inspections, and inside/outside surveys? Have you forgotten the typical patterns associated with specific types of roofs? How is your image quality? This course reviews the proper use of infrared equipment, camera performance specifications, and how to use your infrared equipment to effectively capture high-quality images for further analysis and reporting. Heat transfer theory is covered as well as reviewing moisture-related issues on a wide range of different types of buildings.
This one-day review course summarizes the most important points of your previous learning. This course will reinforce some of the concepts you previously learned for deeper knowledge retention, as well enlighten you to some of the questions you may have from your earlier training, giving you deeper knowledge in these areas. All of this in a one-day on-demand format! This course is designed for all models of thermal imaging equipment.
Course Overview:
• Introductions
• Infrared Equipment Specifications
• Image Quality
• Camera Functionality Check
• Heat Theory
• Safety
• Roof Moisture Inspections
• Common IR Patterns
• Conditions for Roof Inspections
• Building Moisture
Pre-requisite: Level I Thermographic Applications. Note: This is NOT a full Level 1 or certification.
Refresher – Level 1-Buildings Applications
Course Details
Are you conducting successful building inspections? Have you forgotten important methodologies for energy audits? Do you have a thorough understanding of the importance of differences in building materials and the role they play in proper diagnosis? That finding moisture can be detected in three different ways; conduction, capacitance and evaporation? Do you remember that even insulation that is present in a wall may not be performing properly, thereby acting as if there is no insulation in the wall cavities? Remember the differences in a conduction inspection and an air leakage inspection? How is your image quality? This course reviews the proper use of infrared equipment, camera performance specifications, and how to use your infrared equipment to effectively capture high-quality images for further analysis and reporting. Heat transfer theory, and the high points of inspecting buildings are covered as well. Using infrared with a blower door will also be discussed.
This one-day review course summarizes the most important points of your previous learning. This course will reinforce some of the concepts you previously learned for deeper knowledge retention, as well enlighten you to some of the questions you may have from your earlier training, giving you deeper knowledge in these areas. All of this in a one-day on-demand format! This course is designed for all models of thermal imaging equipment.
Course Overview:
• Introductions
• Infrared Equipment Specifications
• Image Quality
• Camera Functionality Check
• Heat Theory
• Infrared Radiation
• Building Inspections
• Blower Door
• Building Moisture
Pre-requisite: Level I Thermographic Applications. Note: This is NOT a full Level 1 or certification.
Refresher – Level 1-Mechanical Applications
Course Details
Are you conducting successful mechanical inspections? Have you forgotten important methodologies for inspecting a mechanical infrared survey? How is your image quality? Are you finding a large range of deficiencies inspecting mechanical systems? This course reviews the proper use of infrared equipment, camera performance specifications, and how to use your infrared equipment to effectively capture high-quality images for further analysis and reporting. Heat transfer theory, and the high points of mechanical inspections are covered as well as the failure modes detectable utilizing infrared thermography. Safety issues will also be discussed.
This one-day review course summarizes the most important points of your previous learning. This course will reinforce some of the concepts you previously learned for deeper knowledge retention, as well enlighten you to some of the questions you may have from your earlier training, giving you deeper knowledge in these areas. All of this in a one-day on-demand format! This course is designed for all models of thermal imaging equipment.
Course Overview:
• Introductions
• Infrared Equipment Specifications
• Image Quality
• Camera Functionality Check
• Heat Theory
• Safety Issues
• Comprehensive Review of Mechanical Applications
• Analysis and Reporting - Prioritization
Pre-requisite: Level I Thermographic Applications. Note: This is NOT a full Level 1 or certification.
Refresher – Level 1-Electrical Applications
Course Details
Are you conducting successful electrical inspections? Have you forgotten important methodologies for inspecting electrical apparatus and systems? Do you fully understand emissivity and reflected/background temperatures and the effect they have on your data? What about being able to “see” an electrical problem, but how different it is than getting an accurate temperature measurement? What about obtaining data on indirect measurements? Do you remember why a 2-3°C problem may be more severe than a 25°C problem? Have you forgotten how to prioritize problems found based on real factors, not just temperatures? How is your image quality? What electrical components are you scanning? This course reviews the proper use of infrared equipment, camera performance specifications, and how to use your infrared equipment to effectively capture high-quality images for further analysis and reporting. Heat transfer theory, and the high points of a wide variety of electrical inspections are covered as well as safety issues and also the use of infrared windows.
This one-day review course summarizes the most important points of your previous learning. This course will reinforce some of the concepts you previously learned for deeper knowledge retention, as well enlighten you to some of the questions you may have from your earlier training, giving you deeper knowledge in these areas. All of this in a one-day on-demand format! This course is designed for all models of thermal imaging equipment.
Course Overview:
• Introductions
• Infrared Equipment Specifications
• Image Quality
• Camera Functionality Check
• Heat Theory
• Emissivity/Background
• Safety Issues
• Infrared Window Challenges
• Electrical Applications
• Analysis and Reporting - Prioritization
Pre-requisite: Level I Thermographic Applications. Note: This is NOT a full Level 1 or certification.
The Snell Group will be at the SMRP 29th Annual Conference
Barre, VT, October 7, 2021: The Snell Group announced that they will be participating in the Innovation Lab at the 2021 SMRP Society for Maintenance & Reliability Professionals Annual Conference in St Louis, MO. From October 25-28, join maintenance, reliability, and physical asset management professionals gathering for four days of education, networking, and innovation.
How to Inspect Rolling Element Bearings
When you hear the term “rotating equipment,” what do you think of? The term rotating equipment is a bit of a catch-all and covers many pieces of equipment that don’t fall into the electrical, stationary, or buildings categories. Everything that moves - motors, bearings, belts, augers, gearboxes, hydraulics, pneumatics, pumps, couplings, seals, etc. is typically considered rotating equipment. This tip discusses how to inspect rolling element bearings in both high- and low-speed situations using a comparative or exception methodology.