What Is a Tel Line Tester?
A tel line tester is a device used to test the condition of telephone lines.
By measuring the connection status and transmission quality, it helps identify the causes of faults and disruptions, contributing to quality improvement. The operating principle involves connecting the tester’s terminals to the line, using operation switches to test the condition of the telephone line, and displaying the results on a display screen or confirming them audibly.
Telecommunication companies use it for laying and maintaining telephone lines, while businesses and individuals use it to investigate the causes of problems and improve quality. The basic structure consists of a power source, measurement circuit, and display device, accurately measuring and displaying the condition of the telephone line. Its notable feature is the ability to measure the connection status and transmission quality of telephone lines, identify faults and disruptions, and improve quality.