Tel-Instrument Electronics Corp. is the industry leader in developing and producing field-tested, rugged avionic flight line and bench test sets for demanding military and commercial customers.

Tel-Instrument was founded in 1947, and has been providing avionic ramp and bench testers to both commercial and military customers for the last 35 years. Tel-Instruments historical design emphasis has been to provide the customer with user-friendly, rugged, reliable, and affordable units.