Content | Poor grounding is dangerous and contributes to unnecessary downtime and increases the risk of equipment failure. The Amprobe GP-2A Earth Ground Resistance Tester provides accurate and reliable measurements for ground resistance and soil resistivity to assure the safety and performance of an electrical system. The GP-2A is complete with PC software that allows the user to download critical recorded measurements and to create professional reports for customers. | 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 TMA40-A provides three measurements in one: Air Velocity or volume, Relative Humidity and Temperature. With three ways to view your measurement results. Choose between single point measurement, multiple points up to 99, or the added feature of data logging up to 2400 data points. User sets the measurement interval time from 1 to 200 seconds. The TMA40-A has a flexible cord to position vane where you need to measure. For accurate CFM results, the user simply inputs the area of the air source. TMA40-A ships with USB interface cable, Software CD, hard carrying case and user manual. | 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. | Like the AT-2004, the Amprobe AT-2005 Wire Tracer traces live wires buried or hidden behind walls up to 13 feet (4 m) thick without interrupting power. However, the AT-2005 electrical wire tracer also includes a battery booster that strengthens the signal for more accurately tracing opens and finding wires in walls. The AT-2005 is used for quickly locating breakers, broken wires, neutrals, grounds, shorts and pinpointing ground faults. | If you install or connect 3-phase motors and systems, you recognize the importance of verifying the correct motor rotation and wiring phase sequence. Improper connections can cause motors to rotate in reverse direction, potentially damaging the motor and the equipment it is powering. |