Extech 407744 Sound Level Calibrator, 94db; Calibrates and verifies Sound Level Meter operation; Battery test position with battery status LED indicates if battery is good; For use on Sound Level Meters with 0.5 in. or 1.0 in. microphones; Durable die-cast, aluminum housing; UPC 793950407448 (407744 407-744 407 EXTECH-407744 EXTECH407744 EXTECH/407744)

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Machines & Tools > Sound Level Meters > Extech 407744 Sound Level Calibrator, 94db; Calibrates and verifies Sound Level Meter operation; Battery test position with battery status LED indicates if battery is good; For use on Sound Level Meters with 0.5 in. or 1.0 in. microphones; Durable die-cast, aluminum housing; UPC 793950407448 (407744 407-744 407 EXTECH-407744 EXTECH407744 EXTECH/407744)

Extech 407744 Sound Level Calibrator, 94db; Calibrates and verifies Sound Level Meter operation; Battery test position with battery status LED indicates if battery is good; For use on Sound Level Meters with 0.5 in. or 1.0 in. microphones; Durable die-cast, aluminum housing; UPC 793950407448 (407744 407-744 407 EXTECH-407744 EXTECH407744 EXTECH/407744)

SKU: 407744

Brand: Extech

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Extech 407744 Sound Level Calibrator, 94db; Calibrates and verifies Sound Level Meter operation; Battery test position with battery status LED indicates if battery is good; For use on Sound Level Meters with 0.5 in. or 1.0 in. microphones; Durable die-cast, aluminum housing; UPC 793950407448; 1kHz sine wave at 94dB is generated to an accuracy of 5 percent (frequency) and more or less 0.8dB; Dimensions: 2.2 in. diameter x 5.6 in. long; Weight: 2 pounds

General Information
Manufacturer	Extech
Manufacturer Part Number	407744
Product Name	Sound Level Calibrator, 94db
UPC Code	793950407448
Features
Calibrates and verifies Sound Level Meter operation Battery test position with battery status LED indicates if battery is good For use on Sound Level Meters with 0.5 in. or 1.0 in. microphones Durable die-cast, aluminum housing 1kHz sine wave at 94dB is generated to an accuracy of 5 percent (frequency) and more or less 0.8dB
Specifications
Frecuency	Range	Accuracy
	1000 Hz	More or less 5 percent
Sound pressure Level	94dB	More or less 0.5dB (94dB), More or less 1dB (114dB)
Distorsion	Less than 2 percent Total Harmonic Distortion (THD)
Operating Temperature	32 to 122 Degrees Fahrenheit
Power Supply	Two Heavy duty, alkaline 9V Battery
Power consumption	Approx. 10mA DC
Dimensions	2.2 in. diameter x 5.6 in. long
Weight	2 pounds

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*This item is BRAND NEW - not refurbished. It comes with all manufacturer supplied accessories, and full manufacturer's USA warranty.

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