Featuring advanced anti-interference technology, 100V overvoltage protection, non-contact voltage detection (NCV), and a built-in LED light, this device ensures accurate cable tracing, enhanced operational safety, and adaptability to low-light conditions. Description: This cable tracer set with transmitter and receiver analyses LAN, SAT, TV, telephone and audio cable in off-circuit electrical systems. Cable routing can be traced to a measurement depth of 5 cm with the non-contact receiver. A loud test signal sounds when the selected cable is. Professional multi-function multimeter, display up to 60,000 digits (only for ET638) 5. Equipped with red laser emission function, the optical fiber transmission distance can reach 10KM, for visual positioning of. The IntelliTone™ Pro from Fluke Networks makes tracing and locating cables on an active network much easier and more accurate. High-Resolution TDR with Frequency-Domain Analysis! Two independent cursors simplify differential impedance, return loss, and distance-to-fault measurements. Detects subtle partial faults, opens, shorts, kinks, taps, shield damage, thermal damage, sunlight/UV damage, water ingress, loosened or.