Extech 407766-NIST Sound Calibrator with Nist

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1kHz Professional Calibrator for 0.5" or 1.0" Microphones. This product is NIST Certified which indicates that the product is traceable to standards provided by the National Institute of Standards and Technology (NIST).
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
Durable die-cast, aluminum housing
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
Durable die-cast, aluminum housing
Calibrates and verifies Sound Level Meter operation
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
Durable die-cast, aluminum housing
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
Durable die-cast, aluminum housing
Calibrates and verifies Sound Level Meter operation
LED indicator lights up when power is on
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
Durable die-cast, aluminum housing
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
Durable die-cast, aluminum housing
Calibrates and verifies Sound Level Meter operation
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
Durable die-cast, aluminum housing
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and 0.8dB
Durable die-cast, aluminum housing
Calibrates and verifies Sound Level Meter operation
LED indicator lights up when power is on
For use on Sound Level Meters with 0.5" or 1.0" microphones