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2-Point Acoustical Calibrator - Class 1
The 2-point Acoustical Calibrator (Model 850012) is a professional-grade tool designed to ensure precise calibration for all Sper Scientific digital sound meters and any other sound meter with a ½" microphone. It is an essential device for maintaining accurate sound level measurements in various environments, including laboratories, industrial settings, and fieldwork.
Key Features:
- High Calibration Accuracy: Designed using a feedback method for exceptional stability in sound pressure levels, ensuring reliable and repeatable calibrations. Conforms to ANSI S1.40-1984 and IEC60942 (2003) Class 1 standards.
- Dual Calibration Levels: Provides standard sound level settings of 94 dB and 114 dB at a frequency of 1 kHz ±1%. Features an accuracy of ±0.3 dB for 94 dB and ±0.5 dB for 114 dB levels.
- Low Harmonic Distortion: Harmonic wave distortion is limited to ±3%, ensuring precise calibration without introducing unwanted noise or fluctuations.
- Built-In Battery Indicator: A convenient low battery indicator ensures you'll never be caught off-guard during critical calibration tasks.
- Compact and Portable: Lightweight and ergonomic, this calibrator is perfect for both on-site and field use. Its small size makes it easy to carry and store.
- Versatile Compatibility: Works seamlessly with the following Sper Scientific Class 1 sound meters:
- Type 1 Sound Meter
- Other sound level meters equipped with ½" microphones.
Easy to Use:
Using the 850012 calibrator is simple:
- Place the calibrator onto the sound meter’s ½" microphone.
- Turn on the calibrator.
- Adjust the sound meter’s reading to match the calibrator’s output (94 dB or 114 dB).
Additional Information:
- Power Source: Operates on a 9V battery (included) for convenience and portability.
- Accessories Included: Comes with a protective carrying case, a 9V battery, and detailed instructions for quick setup and operation.
- Durable Design: Built to withstand frequent use in demanding environments, ensuring longevity and reliability.
Whether you’re calibrating sound meters in a lab, factory, or outdoor setting, the 2-point Acoustical Calibrator delivers precision and ease of use, making it an essential tools for professionals working with sound level meters.