- Allied Measurement Systems Corp is the Heavy Capacity Specialist in the Illinois and Northern Indiana Area Featuring products like the Fairbanks 3052 Series Factory Mutual Approved Instrument. Allied Measurement Systems specializes in heavy to light capacity Intrinsically safe, ultra-low-power instruments that offer the convenience of a versatile electronic instrument with features required in hazardous areas. The 3052 is intrinsically safe and Factory Mutual Approved for all Classes, Groups and Divisions of the N.E.C. hazardous environment classifications. The 3052 offers the convenience of a versatile electronic instrument with the approvals required for hazardous applications. The 3052 eliminates the need for traditional explosion-proof enclosures or purging systems by way of the intrinsically safe design. Battery life ranges from 50 hours of continuous operation to 200 hours when Auto Sleep mode is enabled. A direct power supply option is also available, eliminating the need for batteries. For More Information Please Contact Allied Measurements Systemps Corp for your intrinsically safe Projects.