Profile: Castle Group Ltd. is a provider of technical health, safety, and environment solutions. We are an ISO 9001:2008 certified company. We deal with the tasks of developing instruments and level meters. Our product portfolio covers a wide range of health and safety meters like noise meters, vibration meters, gas detectors, audiometers, light meters, and air sampling equipment. Our GA2002 general purpose pocket vibration meter features tactile keypad, 8 character LCD display, simple data-logging procedure, multiple filters, multiple integration modes, and multiple measurements support. It comes complete with accelerometer, cable, spike probe, and case. We also provide calibration services.