The LUTRON SC-941 Sound Level Calibrator is a high-precision tool designed for sound pressure calibration, compatible with 0.5-inch and 1-inch microphones. It provides stable output with 94 dB ± 0.8 dB sound pressure and 1000 Hz ± 5% frequency, ensuring accurate and reliable measurements. Equipped with an intelligent low battery indicator, it effectively prevents interruptions during calibration. Its built-in high-stability oscillator delivers consistent output over extended periods, meeting the demands of industrial and laboratory applications. The package includes versatile accessories such as a 0.5-inch adapter, adjustment screwdriver, and a durable carrying case, making it an ideal choice for professional sound calibration.