
The Industry’s Leading Manufacturer of Precision Instrumentation
Phaostron specializes in the total engineering, development, and manufacturing of highly sophisticated instrumentation for the aerospace industry and beyond. Our cutting-edge equipment solutions include precision sensors, transmitters, measurement and control devices for virtually every conceivable type of military and commercial application.
State-of-the-Art Instrumentation, Meters, Sensors, and Controls Solutions
A pioneer within the instrumentation industry, Phaostron has maintained its technological leadership through ongoing product developments in the defense and aviation sectors. Our company consistently delivers products that meet the most stringent sensor and meter requirements of today’s military and industrial operations.

Integrated Engineering, Manufacturing, and Testing Capabilities
In order to meet all accuracy and precision requirements, Phaostron combines all aspects of design, production, and testing in-house. Our complete environmental testing capabilities include vibration (sinusoidal and random), high-temperature testing, as well as altitude, salt fog, acceleration, and reliability testing.
Our 37,000 sq.-ft facility – located 12 miles east of Pasadena, California – efficiently houses all aspects of our corporate, administrative, and production systems, as well as all quality control functions. As a result, the Phaostron production team consistently delivers products that meet the most stringent MIL-spec and aerospace requirements. Our delivery consistently runs over 99%.
Utilizing an automated machine center and an in-house lab, Phaostron’s production facilities are designed for quick turnaround of small orders while also offering high-volume capacity.
More than 85 Years of Innovation in Engineering and Precision Manufacturing
Established in 1937 in Azusa, California, our company was founded on an innovative product line consisting of quality photographic exposure meters. Phaostron’s product expansion has grown to include specialized instruments, indicators, sensors, and controls for use in military and commercial airplanes, helicopters, ships, tanks, and ground support equipment.
Our extensive experience in serving these state-of-the-art applications includes many of the world’s leading providers in their respective industries:
- U.S. Government Contracts
- The U.S. Army, Navy, and Air Force
- The Coast Guard and Armed Forces Reserves
- Boeing
- McDonnell-Douglas
- Rockwell
- Lockheed
- Motorola
- General Instruments
- Honeywell
- Allied Signal
- United Technologies
- Litton
- Hughes
- Bendix
- Robinson
- Sundstrand
- Northrop
- Garrett
- LSI
- DCMAO
- DESC
- FAA-PMA, ISO
