The EXTECH 382252 is an Earth Ground Resistance Tester Kit which includes all hardware necessary to measure earth ground in 3 ranges from 20 to 2000 Ohm. Also tests AC/DC Voltage, resistance and continuity. Featuring Automatic zero adjustment and three earth ground resistance ranges 20Ω/200Ω/2000Ω.
EXTECH SDL800 measures and datalogs vibration using a remote vibration sensor with magnetic adapter on 47.2"(1.2m) cable. It offers a wide frequency range of 10Hz to 1kHz with basic accuracy of ±(5% + 2 digits). Manually store 99 readings or continuously datalog using a SD memory card, which allows user to easily transfer collected data to a PC for further analysis as an Excel format.