The handy and rugged, waterproof analogue test set TP09D offers many features despite simple operation. All values appear clearly on the large graphical display in fast view – such as the MWI-/CID-/DTMF-evaluation. The keypad is intiutiv to use through clear distinction of functions with colors. All keys are available with DTMF dialing as well as the special keys * and #.
Voltage, current and polarity display
Monitor for active and passive line
Direct access function button for Flash
Shows calling number (CID) and MWI
DTMF processing in monitor mode
Charge pulse display 12/16 kHz
High and low voltage detection and lockout