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Strain gauge load cells with functional safety certification

Vishay Electronic GmbHvisit website

 

Strain gauge load cells with functional safety certificationVishay Precision Group's BLH Nobel brand has announced that four of its strain gauge load cell product families are now available with EN ISO 13849 and IEC 61508 functional safety certifications.

The EN ISO 13849 functional safety standard incorporates statistical analysis to help better predict reliability of components, devices and circuitry within the safety-related parts of control systems for machinery. This determination represents the probability of failure to danger over time, expressed as a performance level (PL). The IEC 61508 standard for electrical/electronic/programmable electronic safety-related systems further defines methods to achieve product functional safety. This enables OEMs to demonstrate a certain overall safety integrity level (SIL) within their system designs.

Additional certifications

BLH Nobel's strain gauge load cell product families now available with functional safety certifications include models with or without current loop output, as well as those featuring redundant configurations. Most families with functional safety certifications are further available with ATEX, CSA, FM, IECEx, cFMus and CE approvals. These certifications enable the BLH Nobel load cells to be specified within a wider range of critical applications, including:

  • Machine monitoring
  • Crane weighing and overload monitoring
  • Process industry weighing and monitoring
  • Offshore tank weighing
  • Safety-critical weighing and force measurement

For more information on these and other products, go to www.blhnobel.com.

28 November 2017

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