407766 Extech Calibrator

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 and ±0.5dB (94dB)/±1.0dB (114dB)

Specifications

• Frequency: 1000 Hz
• Sound Pressure Level: 94dB/114dB
• Distortion: <2% Total Harmonic Distortion (THD)
• Operating Temperature: 32 to 122°F (0 to 50°C)  
• Power Supply: Two Heavy duty, alkaline 9V Battery  
• Power consumption: Approx. 10mA DC  
• Dimensions: 2.2" diameter x 5.6" long (50 x 127mm)  
• Weight: 0.75 lbs. (340g)

This 1kHz 94/114dB professional sound calibrator is for 0.5 in. or 1 in. microphones. Calibrates and verifies sound level meter operation. Level position switch to select 94dB or 114dB with power on LED indicator light. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB/114dB to an accuracy of 5% (frequency) and ±0.5dB (94dB)/±1.0dB (114dB). Meets IEC standard 60942 1997-11. Comes complete with two 9V batteries, carrying case and screwdriver.