Instrument Corporation
The Sensitive Research Instrument Corporation was founded in 1927 in New
Rochelle, NY. They specialized in manufacturing high-precision measuring
instruments, including analog voltmeters and ammeters for both AC and DC
currents. The company was known for its quality craftsmanship and accuracy,
making their instruments highly valued by collectors today. In 1975, the company
was acquired by Electrical Service Instruments (EIS).
