The Lutron Model SC-941 is a professional sound calibrator designed specifically to ensure the accuracy and precise calibration of sound level meters. It functions as a tiny, precisely tuned speaker that generates a continuous, standard tone.
The device produces a pure 1000 Hz frequency tone at a constant sound pressure level of 94 dB. The SC-941 is suitable for calibrating many sound level meters, including Class 1 and Class 2 devices.
Key Features and Compliance:
The SC-941 is engineered for reliable field and bench use, adhering to established industry standards.
• Precision and Standard Compliance: The calibrator is compliant with the IEC 60942 Class 2 standard.
• High Compatibility: It is suitable for use with both 0.5 inch and 1 inch microphones, providing flexibility for different sound level meters. A 0.5-inch microphone adapter is included.
• Low Distortion: The unit maintains a low total harmonic distortion of 2%.
• Durable Design: The calibrator features a durable bench-type housing case, with the outer body often described as being made up of aluminum or a die-casting aluminum alloy.
• Power and Safety: It operates using two 9V batteries and includes a built-in over input protection circuit. It also features a built-in battery test indicator. The approximate battery life is 20 hours.
Applications:
The Lutron SC-941 is essential for professionals requiring reliable measurement tools across various fields: