Extech 407766 - Sound Level Calibrators

Sound Level Calibrators

94dB or combination 94dB/114dB, 1kHz Professional Calibrator for 0.5" or 1.0" Microphones

With durable die-cast, aluminum housing

Key Features:

• Calibrates and verifies Sound Level Meter operation
• For use on Sound Level Meters with 0.5" or 1.0" microphones
• Total Harmonic Distortion (THD) <2% at 94dB
• Meets IEC standard 60942 1997-11
• Complete with two 9V batteries, carrying case, and screwdriver Model 407744
• 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 Model 407766
• 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) 407744