Overview
Pyramid Instrument Company was an American manufacturer of electrical test and measurement equipment founded in 1948 on Long Island, New York. The company is best known as the predecessor of Amprobe Instrument Corporation and for developing one of the first commercially successful clamp-on ammeters.
The company’s flagship product, the “Amprobe” inductive clamp meter, became so widely recognized among electricians and technicians that the company officially changed its name to Amprobe Instrument Corporation in 1960.
Technical Specifications
| Item | Details |
|---|---|
| Company Name | Pyramid Instrument Company |
| Founded | 1948 |
| Industry | Electrical Test and Measurement Equipment |
| Headquarters | Long Island, New York, USA |
| Successor | Amprobe Instrument Corporation |
| Notable Product | Amprobe Clamp-On Inductive Ammeter |
| Primary Markets | Electrical, Industrial, Utility, Maintenance |
Description
Pyramid Instrument Company specialized in electrical testing instruments designed for electricians, maintenance personnel, and industrial users. Its most significant contribution was the development of the Amprobe inductive clamp meter, which allowed electrical current to be measured without disconnecting wiring.
The success of the Amprobe clamp meter established the company as a recognized name in the electrical testing industry. The Amprobe brand became so closely associated with clamp-on ammeters that the company adopted the Amprobe name as its corporate identity in 1960.
History
| Year | Event |
|---|---|
| 1948 | Pyramid Instrument Company founded on Long Island, New York. |
| 1948 | Introduction of the Amprobe clamp-on ammeter. |
| 1950 | Received patent protection for the Amprobe inductive clamp meter. |
| 1960 | Company renamed Amprobe Instrument Corporation. |
References
- https://amprobe.com/about-us/ — Official Amprobe company history detailing the origins of Pyramid Instrument Company and the transition to Amprobe Instrument Corporation.
- https://www.radiomuseum.org/dsp_hersteller_detail.cfm?company_id=7846 — Historical information on Pyramid Instrument Company and early Amprobe products.
- https://us.metoree.com/companies/151849/ — Company history and overview of Amprobe Instrument Corporation.