Larson Davis (LD) was founded in 1981, as a  manufacturer of precision acoustic test and vibration measurement  instrumentation. After joining the PCB Group in 1999, Larson Davis is a  division of PCB Piezotronics, Inc. (www.pcb.com 
Larson Davis core competencies include sound level meters; human vibration meters; dosimeters; calibrators; audiometric calibration systems; microphones and accessories; software products;  and acoustic test systems. Larson Davis products are used for  audiometer calibration; building acoustics, environmental noise and  community noise monitoring; industrial hygiene, worker hearing  conversation, and hand-arm, whole body and general vibration  measurement.
The backbone of Larson  Davis is its mission statement: Total Customer Satisfaction or Your  Money Refunded. This mission is not only supported by full applications  engineering and technical support, but also a growing worldwide network  of sales offices and representatives, available to assist with customer  requests.
Why Choose a Larson Davis  					Product?
 					Larson Davis has decades of  					experience in designing and building top-quality, affordable  					instruments that perform to the highest demands of the  					professionals who use them.
 					We understand you have many  					choices when it comes to selecting noise and vibration  					instrumentation. When it comes to finding the best solution  					for your particular needs, Larson Davis has what it takes to  					help you choose exactly the right tool with confidence,  					backed by the best customer care in the industry. Larson  					Davis offers a standard 2-year warranty and every product we  					sell is supported by our pledge of Total Customer  					Satisfaction: If, for any reason, you are dissatisfied with  					a Larson Davis product or service, we will repair it,  					replace it or refund your money in full — up to ONE YEAR  					after date of purchase! No other company stands behind their  					products and services like Larson Davis.