Digalert Probe 1B

Originally designed to test the network for the presence of digital circuits DigAlert Probe allows technicians to quickly establish in jointing boxes, cabinets and racks if a pair is active prior to any maintenance action. It will directly reproduce audio signals, such as speech, base-band modems or fax tones and will output a distinctive two tone alarm if high-frequency signals are present. 3-Year Warranty DigAlert™ Technology Traffic monitor Micro controlled Filter options Key press timing Battery low warning Auto shut-off Headset connection Sealed electronics Sealed battery Large speaker Wrist strap No switches Crush proof Chemical resistant Breathes Floats