Why Calibration Is Essential for Class 1 Measurement Microphones Class 1 measurement microphones are high-precision microphones that are used for sound measurement in laboratories, industry, and field testing. The microphones meet strict international requirements like IEC 61672. Several users ask whether there is a need for calibration on Class 1 devices. Calibration is an important part of maintaining accuracy over time. For More Information Visit Our Website: https://tmesystems.net/news/why-calibration-is-essential-for-class-1-measurement-microphones #calibratemeasurementmicrophones