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What Is Intrinsic Safety?
Intrinsic safety is a method of protection that uses low current, heat and voltage to decrease the chance of explosion. This makes certain equipment acceptable for use in hazardous environments and combustible applications.
Intrinsically safe equipment should be used in hazardous environments such as:
- Areas where hazards may be present under normal conditions or in the case of system breakdown, maintenance work or leaking
- Areas where vapors and gases are confined but could leak due to system breakdown or accidental rupture
- Areas with combustible dust or fibers present
Intrinsic safety is also important in combustible applications, which may include:
- Fuel refineries
- Chemical plants
- Textile manufacturing
There are multiple accredited agencies that can approve equipment for use in hazardous locations by performing electrical safety validation. At Rice Lake Weighing Systems, our intrinsically safe equipment receives several types of approvals by nationally recognized testing labs (NRTLs):
- FM Global approval
- International Electrotechnical Commission System for Certification to Standards Relating to Equipment for Use in Explosive Atmospheres (IECEx) approval
- ATEX Directive approval
- Underwriter’s Laboratories Inc. (UL) approval
NRTLs have approved a variety of Rice Lake’s weighing solutions for intrinsic safety, including certain load cells and our 882IS intrinsically safe digital weight indicator. With FM, IECEx and ATEX approvals, the 882IS can be used in potentially explosive, hazardous environments. Intrinsically safe weighing equipment helps protect your workers, your product, and your entire operation.