Extech 407744

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Extech 407744

Extech Instruments

94dB Sound Calibrator

1kHz Professional Calibrator for 0.5" or 1.0" Microphones

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Description
Key features
Technical data

Description

This 1kHz, 94dB professional sound calibrator for 0.5" or 1.0" microphones calibrates and verifies sound level meter operation. Battery test position with battery status LED indicates if battery is good. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB to an accuracy of 5% (frequency) and ±0.5dB (94dB). Meets IEC standard 60942 1997-11. Complete with two 9V batteries, carrying case, and screwdriver.

Key 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" or 1.0" microphones
Durable die-cast, aluminum housing
1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.5dB

Specifications	Range	Accuracy
Frequency	1000 Hz	±5%
Sound Pressure Level	94dB	±0.5dB
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)