NRI Signal Generator Model 89

Manufacturer: NRI

Model Number: 89

Serial #:

Equipment Description: Signal Generator

Label Write-up:
A signal generator inputs a signal into a chassis for troubleshooting. The Model 89 NRI Professional Signal Generator has a built-in DC (direct current) blocking condenser that prevents the DC voltage in a receiver circuit from being fed to the signal generator circuits. NRI stands for National Radio Institute. It was a teaching organization to train young adults of any age on how to build, fix, and troubleshoot electronic devices.

Dates Produced: 1954

Original Price: $45

The museum's inventory number: MRT-523

Located at Museum in: Class Room

See others in the Test Equipment - Other category.