Triplett SLM400-CAL-NIST Professional Sound Level Calibrator - 94/114dB for 1/2" Microphones with Certificate of Traceability to NIST

The Triplett SLM400-CAL-NIST Sound Level Calibrator with Certificate of Traceability to NIST is a reference tool used to verify and adjust the accuracy of the sound level meter, ensuring reliable and accurate sound measurements. It fits 1/2" diameter microphones and has a selectable 94dB and 114dB output with ±0.5dB accuracy. Calibrator output frequency is ±4% @1kHz. Includes 9V battery. 2-year warranty.

• Certificate of Calibration from the National Institute of Standards and Technology (NIST) to achieve the highest possible levels of measurement quality; Calibration can take 11-15 business days
• Reliable Sound Level Calibration – Designed to verify and adjust sound level meters, ensuring accurate and dependable noise measurements in professional environments
• Dual Output Levels for Flexibility – Selectable 94 dB and 114 dB output allows calibration across multiple measurement ranges and applications
• Precision Accuracy Performance – Delivers ±0.5 dB accuracy with output frequency ±4% at 1 kHz for consistent and trustworthy calibration results
• Portable and Ready to Use – Compact design includes a 9V battery for immediate operation and is backed by a 2 year warranty