Description

METROTEL TPM32 Digit Grabber Simple Type: Meter The TPM-32 Digit Grabber dialed digit meter monitors and analyzes DTMF and dial pulse signaling through any telephone or wireless communications system. It is a high-impedance (100K ohms) instrument that bridges the line without loading. Tones are heard through the monitor speaker as they are displayed. In the display mode, digit strings of up to 32 characters are captured and frozen on the large, alphanumeric screen. When more than 32 digits appear the first digits drop off to allow the latest characters to be shown. In the analysis mode, inter digit timing and tone burst timing are displayed for tone dialing and make/break ratio and pulses per second are displayed for pulse dialing. Digit Grabber operates on a standard 9V battery.