Castle Group Ltd are one of the leading international group specialists in sound level meters and vibration measurement equipment. We offer a wide range of technical instruments for Health & Safety at work and in the environment. From sales, rental, training, consultancy and servicing whatever your needs, we can help.More Than Just Noise and Vibration Castle Group have been producing a wide range of noise meters and vibration meters for over 30 years and now encompass products to cover all needs, along with a full calibration and service labatory, a wide range of competent person training courses in noise and vibration, consultancy services and rental for times when cost is greater than budget. In addition Castle Group also supply a whole range of health and safety products to cover any need. From light meters to dust and gas monitoring, Health & Safety publications to anemometers.