Extech 407744 Sound Level Calibrator - 94dB

Use this 94 dB Sound Level Calibrator by EXTECH on 0.5" or 1.0" microphones.

Item #: 105900 Manufacturer: Extech Instruments Manufacturer Item #: 407744

	List Price:		$327.00

Qty. Price	1-2 $327.00	3+ $304.00

Features & Applications:

This is a 1kHz Professional Sound Level Calibrator for 0.5" or 1.0" Microphones. The unit comes complete with two 9V batteries, a carrying case, and a screwdriver.

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
• Total harmonic distortion (THD) <2% at 94dB
• Durable die-cast, aluminum housing
• 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.8dB
• Complete with two 9V batteries, carrying case, and screwdriver

Spec Summary:

Specifications	Range	Accuracy
Frequency	1000 Hz	±5%
Sound Pressure Level	94 dB (407744)	±0.5dB (94dB), ±1dB (114dB)
Distortion	<2% Total Harmonic Distortion
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)

Extech 407744 Sound Level Calibrator - 94dB

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