Hazardous Locations & Explosive Atmosphere Testing


As an accredited IECEx Testing Laboratory (ExTL), Professional Testing (EMI), Inc. is a turn-key organization, ready with not only the expertise to help support North American, European and International Manufacturers in understanding the requirements and regulations for products in use in many hazardous locations or potentially explosive areas but also testing and evaluating.

Global Test Certification, Inspection, Unit Verification Certification and Quality Assurance are some of our hallmark services.


Explosive Atmospheres

PTI can perform testing and provide certification under the IECEx Certified Equipment Scheme as an accredited Ex Testing Laboratory (ExTL). We work in close partnership with TÜV SÜD as our Ex Certification Body (ExCB).

TÜV SÜD America Logo IEC IECEx logo

Accreditations cover:

The PTI / TÜV SÜD partnership is an accepted U.S. Coast Guard Independent Laboratory.

As part of a one-stop shop, PTI can perform testing to help manufacturers demonstrate conformity to the ATEX Directive 2014/34/EU.

See our IECEx/ATEX reference guide for markings and descriptions.

Professional Testing IECEx-ATEX Reference Guide

Request a copy of the Professional Testing IECEx/ATEX poster here

While our specialty is testing equipment used in potentially explosive areas, training is another area in which we excel.

Training Services

Conducted by expert engineers with experience educating professionals, PTI provides interactive training sessions customized to your company’s specific needs, methods of protection and expertise level.

Some examples of past courses:

Let us educate your workforce, from the manufacturing personnel responsible for the day-to-day product consistency to the executive management responsible for the overall corporate understanding of products used in potentially explosive areas.


Interested in knowing how PTI can assist you with your product and certification?

Download and Fill out a Request for Quote form today.  PTI_Request a Quote_Hazloc_ 002

Why Choose PTI?

We help our customers be proactive by getting involved early in the design phase, designing in reliability and compliance. The result is bringing products to market faster with less cost, and better service.  Learn More >

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