Content | The Amprobe TACH20 Hand-held Tachometer accurately measures rotational or surface speed as well as length. It comes with a large LCD display that allows the user to easily read the measurement. It also has a built in memory function that permits automatic storage of maximum, minimum, average values plus the last measurement displayed. | With the Amprobe AT-2004-A Wire Tracer you can trace live, de-energized, or open (broken) wires buried behind walls up to 13 feet (4 m) thick, without interrupting power. It?s a great choice for finding wires in walls, locating breakers, neutrals, and ground lines, and zeroing in on shorts, ground faults, and broken wires. This electrical wire tracer doesn?t interfere with sensitive electronic equipment so it?s safe to use in data centers. | The Amprobe SC-3500 4? Signal Clamp for AT-3500 attaches around a buried metallic pipe, cable, or wire to induce a transmitted signal into the feature for active location and tracing. It does not require direct contact with metal to transmit the signal and can transmit signal through insulation on wires and into cable and wire bundles, providing more accurate tracing than locating with just a receiver and transmitter. Accommodates conductors up to 4? in diameter. Transmits a 33 kilohertz (kHz) frequency supplied by the T-3500 Transmitter (included in the AT-3500 kit). | Eliminate downtime, predict the lifetime of equipment and reduce safety hazards with the Amprobe AMB-55 Insulation Resistance Tester that tests voltage and step voltage to 5,500 V. You can accurately test cables, transformers, motors, surge arrestors and generators in noisy environments such as high voltage switchyards. It also boasts built-in noise rejection filters and shielded test leads to provide high EMI immunity | This affordable and rugged megohmmeter is fast and easy to use, and offer the features you need for most insulation test applications including wires, cables, transformers and motors. | Test insulation of wires, cables, transformers and electrical motors quickly and easily with this rugged tester. |