Extech 407744 94dB Sound Level Calibrator

Extech 407744 94dB Sound Level Calibrator

Features

• Calibrates and verifies Sound Level Meter operation
• For use on Sound Level Meters with 0.5" or 1.0" microphones
• Durable die-cast, aluminum housing
• 1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and +/-0.8dB
• 3 position switch (OFF/94dB/114dB)
• Total Harmonic Distortion (THD) <2% at 94dB
• Complete with two 9V batteries, carrying case, and screwdriver

   

• Battery test position with battery status LED indicates if battery is good
• 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.8dB

• LED indicator lights up when power is on
• Level position to select 94dB or 114dB
• 1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and ±0.8dB
• 3 position switch (OFF/94dB/114dB)