REGISTADOR DE DADOS DE NIVEL DE RUIDO USB

1kHz Professional Calibrator for 0.5inch or 1.0inch Microphones

Features:
    •Calibrates and verifies Sound Level Meter operation
    •LED indicator lights up when power is on
    •Level position to select 94dB or 114dB
    •For use on Sound Level Meters with 0.5inch or 1.0inch microphones
    •Durable die-cast, aluminum housing
    •1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and ±0.8dB