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The CAL73 sound level calibrator is used to calibrate sound level meters and other sound measurement equipment. You can calibrate 1 inch diameter microphones directly and 1/2 inch …

Standard Acoustic Calibrator (94dB , 1KHz Sine Wave) The CAL73 sound level calibrator is used to calibrate sound level meters and other sound measurement equipment. You can calibrate 1 …

Hence the most easy and reliable method of level calibrating your measuring rig is with some standard sound source. This could be just some well defined speaker driver mounted on a …

EXTECH 407744 94dB 1kHz Professional Calibrator for 0.5 or 1.0 Microphones. Calibrates and verifies Sound Level Meter operation. Battery test position with battery status LED indicates if …

This sound meter can read between 30dB~130dB, and capture data to a PC using the compatible software (included in the set). Applications includes : Environmental measurement, law …

The HD2024 sound level calibrator is a portable, battery operated sound source, suitable for sound level meters (portable and laboratory) and acoustic stations. It allows calibrating 1/2” …

The calibrator generates a 1kHz sine wave at 94dB with high accuracy. It has a frequency accuracy of 5% and a sound level accuracy of ±0.5dB at the 94dB level. This level of accuracy …