ST230B Telephone Line Tester is a new kind of line fault tester with safety & multi-functions capabilities. Besides the functions as a Telephone, it also has functions of high voltage protection, monitor and telecom line identifying, etc.
Main Functions
Fault Testing: Insulation, Break, Grounding
Call & Talk
Telephone Testing
Monitoring
Telecom Line Identifying (Telephone line, ISDN line, ADSL line)
Key Features
Dumbbellshape, small size, simple operation
Rechargeable NI-MH battery
Dangerous voltage alarm
High DC Voltage protection
Against water, shake & fall