Canadian Electrical Industry News Week

Nov 8, 2020

Understand The DifferencesCalibration, testing, and validation are intertwined within the science field and it can be complicated when looking at the differences and true meanings.  Each activity is used to ensure quality in the measurement process and to comply as per the requirements of a standard.

Calibration the Scientific Definition

The operation under specified conditions, in a first step, establishes a relation between the quantity values with measurement uncertainties provided by measurement standards and corresponding indications with associated measurement uncertainties.  In the second step, it uses this information to establish a relation for obtaining a measurement result from an indication.

When a measurement device is calibrated it is compared to an accepted standard and adjustments are made it necessary.  It is imperative to use a lab that has an ISO 17025 accreditation. This accreditation means that the laboratory’s quality management system and technical competence have been evaluated by a third party.

The Definition of Testing and Functional Testing

A technical operation that consists of the determination of one or more characteristics of a given product, process, or service according to a specific procedure.

Functional testing determines if it is functioning correctly.  The testing involves exposing the item to a stimulus and verifying the equipment responds accordingly.

Definition of Validation

They fulfill confirmation by examination and provision of objective evidence that the particular requirements for a specific intended use.

Validation is for “ensuring” the acceptability of the implemented measurement process.  It is the combined effect of calibration and verification, but the final result is in the final output of the process.

The application in the calibration field is more on the development of a calibration procedure in order to meet certain requirements.

A non-standard method can be used in a calibration laboratory considering that they validate it before use.  Another application of validation is qualifying a group of measuring devices that function as a system.

Considerations During Calibration

During calibration, they must take the traceability and the computed measurement of uncertainty into consideration.

Your objective in performing calibration decision is specifically by customer requirements and regulatory authorities.  It is also by calibration procedures based on standard methods and procedures from manufacturers or original equipment manufacturer.

The steps performed during calibration:

  •    -   Choose the required calibration procedure.
  •    -   Compare to a reference standard.
  •    -   Determine the error.
  •    -   Adjust if capable.
  •    -   Check the traceability.
  •    -   Estimate the measurement of uncertainty.
  •    -   Record results to a calibration certificate.


Techniques Used for Method Validations per ISO 17025

  •    -   Calibration or evaluation of bias and precision using reference standards or reference materials
  •    -   Systematic assessment of the factors influencing the result.
  •    -   Testing method robustness through variation of controlled parameters, such as incubator temperature, volume dispensed.
  •    -   Comparison of results achieved with other validated methods.
  •    -   Interlaboratory comparisons
  •    -   The evaluation of measurement uncertainty of the results based on an understanding of the theoretical principled of the method and practical experience of the performance of the sampling or test method.


Calibration, Testing, and Validation

The reason that all of these three are performed is to ensure quality in the measurement process and to comply as per the requirements of a standard.  These standards are ISO 17025 and ISO 9001.  By understanding each of them it makes interpreting the standards much easier and when each usage is within the process.  If you ever have any questions about calibration or equipment, we are available to help.  At SRP control, we have been helping our clients with products, services, measurements, and calibration solutions for the past 40 years.  Let us help you find your next instrumentation or calibration solution.

Source


 Salex Expands to Southwestern Ontario                                                                   

LDS Salex 12 175

Salex continues to support the Southwestern Ontario market with representation of key market leaders in lighting and controls, including its partnership with Axis Lighting, Beghelli Canada and OSRAM.

Axis Lighting is an innovative, forward-thinking manufacturer delivering high-performance LED luminaires for general, ambient and task lighting in office, commercial and institutional spaces. One of their leading-edge developments includes Stencil. Stencil brings together lighting segments and connectors called Hubs, the building blocks for creating forms and patterns of all sizes. 

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Changing Scene

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The Jaibot executes its tasks based on building information modeling (BIM) data. The robot is a completely cordless and easy-to-use system that doesn’t require expert skills. It locates itself accurately indoors, drills the holes dust-controlled and finally marks them according to the trade. 

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EIN AEA virtual 400Mark your calendars for Nov. 24-25 and get ready for a virtual trade show and amazing technical presentations. AEA, the exhibitors and presenters are so excited to present this event to the entire province of Alberta.

Attendees will have easy access to virtual booths with an opportunity to have their questions answered by qualified people, and win some prizes throughout the days at both the trade show Virtual Floor and by attending the seminars.

 

Go HERE to register and for the full event details

 

 


 



Lighting ControlsBy Jeremy Day

Building a control system for a modern lighting installation can seem like an impossibly complex task. To simplify it, a systematic approach to understanding the needs of the design, facility, and user can be employed. In this white paper, we aim to define the questions one must answer to construct an appropriate control system.

First, and perhaps counterintuitively, one must start with the control narrative. A lighting programming and control narrative is a document that is essential to coordinate the design/construction process with a fully realized final architectural product. 

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Terry BeckerBy Terry Becker

Changes in the CSA Z462 Workplace electrical safety standard are slowing down. Good news! The 2021 edition will see significant reorganization of content in Clause 4.1, changes to existing annexes, some new annexes and a significant change to the arc flash PPE category method of determining “additional protective measures” for a work task’s arc flash risk assessment are included in the 2021 edition.

CSA Z462 2021 edition will not be 100% technically harmonized with the 2021 edition of NFPA 70E...


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Product News

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High Output LED PAR Replacement Lamps directly replace high-wattage incandescent PAR lamps at a ...
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Intermatic's Smart Guard® Whole House Surge Protective Device provides coverage of your ...


 

Shat-R-Shield Ironclad VR ProShat-R-Shield's Correctional Cell Fixture is designed to withstand extreme abuse by using materials that are virtually indestructible. Built with 1/2" thick 304 Stainless Steel and a cast .400" thick diffused lens, this light fixture is built to withstand hard/repetitive impacts and its tight design offers no point of entry.

The Ironclad® Vandal-Resistant (VR Pro) fixture uses an LED high efficiency light engine with a cool light that simulates daylight. The incorporated count light LED module can be turned on and off. Tested to Canadian and US standards by Underwriters' Laboratories, this fixture carries a cULus rating.

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M12™ Heated TOUGHSHELL™ Jacket KitOur heated TOUGHSHELL™ jacket is powered by our powerful M12™ REDLITHIUM™ batteries. Each heated jacket uses carbon fiber heating elements to create and distribute heat to your chest, back and front hand pockets. A one-touch LED controller heats up the battery heated jacket to three heat settings, creating a comfortable heat for any environment or weather.

This MILWAUKEE® heated jacket has a new Quick-Heat function that allows you to feel heat three times faster than our previous jackets and market competitors. 

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Peers & Profiles

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Kenzie GillanBy Sarah Pickard

Mackenzie Gillan, a bright young lady from Baysville, Ontario, tells us about how she learned to love the electrical trade in high school, and how that path has carried her forward to unexpected places and new heights—literally. Gillan is set to begin a Powerline Technician Apprenticeship with Hydro One, and as she explains below, she had some interesting experiences during two college co-op placements.

While her career has just begun, Gillian is already active in the broader industry as an advocate for women, working as an ambassador for KickAss Careers, Women of Powerline Technicians, and Women in Renewable Energy (WiRE).

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Rutul Bhavsar 1 400By Blake Marchand

Rutul Bhavsar is a final year Electrical Engineering student at Mohawk College. He recently co-authored a whitepaper on Mohawk College’s Joyce Centre for Partnership & Innovation discussing the technologies utilized in the state-of-the-art zero-carbon/carbon-neutral facility. Rutul was the lead author on the project, supported by Dr. Mariano Arriaga, General Manager of Mohawk’s Energy and Power Innovation Centre (EPIC) and Dr. Tony Cupido Research Chair,

Sustainability at Mohawk College. Rutul’s interests lie in the more progressive areas of the industry, automation, control, and energy efficient technologies. It is no doubt a positive sign for the industry to have talented individuals such as Rutul who are passionate about contributing to a more sustainable future. 

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