An analyzer measures intrinsic properties of a substance sample such as its density, chemical content, or purity. Whereas the other types of instruments discussed in this chapter measure quantities incidental
RTD Standards A resistance temperature detector or platinum resistance thermometer works on the principle that the electrical resistance of a metal changes in a significant and repeatable way when temperature
What is IEC 61508? IEC 61508 (previously IEC 1508) is a seven-part standard that defines specific direction and guidelines on the functional safety of electrical/electronic/programmable electronic (E/E/PES) safety related systems.
Certification Standards Industrial products are certified to international standards for the installation and use of electrical equipment in hazardous areas. Worldwide: The IEC defines the most-widely adopted hazardous area standards. These
The term Prestartup Safety Review (PSSR) first received prominence in the process industries with the introduction of the Process Safety Management (PSM) regulations. In the United States two federal agencies,