Extech 407766 - 94/114dB Sound Calibrator

Description: 1kHz Professional Calibrator for 0.5" or 1.0" 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 0.5" 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