National Association of Infrared Surveyors


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A division of NSHI, 16192 Coastal Highway, Lewes, DE 19958  PROFESSIONALISM & TRUST

NATIONAL ASSOCIATION OF INFRARED SURVEYORS

Consumer Information

Choosing a professional infrared thermographer
Only a qualified and certified thermographer should conduct an infrared survey. The American Society for Nondestructive Testing, Inc., a nationally recognized organization that oversees nondestructive testing, has established recommended practices for thermal/infrared testing. These guidelines are designated by the society as practice number SNT-TC-1A, which sets standards for thermographer training and certification.

A qualified thermographer who conducts a survey of your property should have a minimum of Level 1 Thermographer Certification that meets the recommended practices section, SNT-TC-1A, of The American Society of Nondestructive Testing, Inc. The thermographer should also have the ability to provide reports in hard copy, as well as electronically.

Preparations for a successful survey
Prior to the survey, you should determine what you want surveyed, and how you expect the report to be produced and delivered. You should meet with the thermographer to clarify the scope of the survey and any important safety measures that will be taken to conduct the survey.

For building surveys, you should discuss your concerns with the thermographer beforehand, and adjust the building's climate system to a uniform temperature as directed by the thermographer. Obstacles should be moved away from walls if they block access to areas to be surveyed. You may need to provide access to the building and guide the thermographer to areas which are to be surveyed.

If the survey is electrical, the load should be as near as possible to the normal level when surveying electrical breakers, relays, controllers, etc. because low loads may not show problems. You may need to supply a qualified person to accompany the thermographer and perform tasks such as opening panels and cabinets.

After the survey
Talk to the thermographer at the site to be certain that all designated survey areas were inspected, and to be clear about what was found. When the survey report is delivered, discuss the findings with thermographer and clarify any questions. Consider making an appointment for a follow-up survey after any applicable repairs or modifications have been completed.