Calibrators provide quick and simple ways to ensure a meter is continuing the measure and function as expected. Castle Group can supply and number of different calibrators for different instruments including both single level and dual level noise meter calibrators.
Being able to carry out calibration on site carries a whole host of benefits. Administration, carriage, and calibration fees are saved, whilst self calibration allows measurements to be taken immediately as there is no turnaround time like there inevitably is with sending equipment to a calibration service.
The United Kingdom Accreditation Service (UKAS) has issued a guide (LAB23) on calibration of Sound Meters and Calibrators in which it states recommended calibration intervals for various types of equipment, some of which are listed here: