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Intrinsically Safe accelerometers receive IECEx certification

Tom Smith, Vice President of Sales and Marketing, said “These vibration sensors were previously approved as Intrinsically Safe by certifying agencies recognized in the US, Canada, and Europe. Condition monitoring is growing in popularity across the world and the IECEx certification will help us better serve customers in other regions.”

Intrinsically Safe accelerometers Six general purpose accelerometers, with a sensitivity of 100 mV/g and a tight +5% sensitivity tolerance, were certified as Intrinsically Safe in accordance with the requirements of the IECEx standards. The standard top exit model is the 786A-IS. The standard side exit model is the 787A-IS, which is also available with a metric M8 mounting stud, model 787A-M8-IS. The 780A-IS is a compact sensor. The integral cable model is the 786F-IS. The 786T-IS is a dual output model that senses both vibration and temperature.

The six general purpose accelerometers are suited to industrial machinery health monitoring of rotating equipment such as motors, pumps, fans, compressors, vibrating conveyors, chillers, gearboxes, reciprocating compressors, blowers, cooling towers, mixers, turbines and centrifuges. These types of machinery are typically found in hazardous area locations common to industries such as petrochemical, oil and gas, chemical processing, pharmaceuticals, food and beverage, pulp and paper, wastewater treatment, nuclear power, and power generation.

The IECEx standards are recognized worldwide by most industrialized countries, including Australia, Brazil, Canada, China, Croatia, Czech Republic, Denmark, Finland, France, Germany, Hungary, India, Italy, Japan, Korea, Malaysia, The Netherlands, New Zealand, Norway, Poland, Republic of Serbia, Romania, Russia, Singapore, Slovenia, South Africa, Sweden, Switzerland, Turkey, United Kingdom, and the United States.

The International Electrotechnical Commission (IEC) publishes the IECEx scheme, a set of standards that specifies requirements for both hazardous area electrical equipment and requirements for the quality system of manufacturers of hazardous area electrical equipment. Certification organizations perform the testing and qualifications required by the IECEx scheme. Wilcoxon Research sensors were tested to the IEC requirements by KEMA and have been certified by SIRA to meet the quality system requirements of the IECEx scheme.

Wilcoxon Research also has an extensive line of other accelerometers and 4-20 mA sensors certified to be Intrinsically Safe, Explosion Proof, and approved for use in Class I Division 2 (Zone 2) environments. To learn more about Wilcoxon’s hazardous area certified sensors, go to

To learn more about Wilcoxon Research, Inc., or the pledge of Total Lower Cost of Ownership, visit  call 800-WILCOXON, or email 

To view the IECEx Certificate of Conformity online, visit

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