Electrical Test Instruments is a National Institute of Standards and Technology (NIST) certified manufacturer as well as an ISO-9001-2015 certified company that complies with quality standards ANSI/NCSL Z-540.1 and MIL-STD-45562A.ETI specializes in the calibration of electrical switchgear testing instruments for maintenance and acceptance testing as well as on-site calibration and certification of virtually all types of electrical test and measurement equipment.
Since 1994, Ametherm has provided the most reliable and effective inrush current limiting solutions available. The product range include Inrush Current Limiters, NTC Thermistors and other Solutions for circuit and equipment protection. NTC Thermistors - Negative Temperature Coefficient (NTC) thermistors are thermally sensitive semiconductor resistors which exhibit a decrease in resistance as absolute temperature increases.
Louis Desloge Sr. founds Watlow Electric Manufacturing Company in St. Louis, Missouri, USA, to manufacture electric heating elements for the shoe industry in 1922. Watlow reference data provides information for amperage conversions, thermocouple types, RTD tolerances and more.
Omega is a source for process measurement and control. Everything from thermocouples to chart recorders. Temperature, flow and level, data acquisition. Omega’s Technical Reference Section. Find technical articles and reference material about their products and technologies. Omega’s Temperature Handbook Technical Reference Section