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extech 407744 sound calibrator

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  • extech 407744 sound calibrator

Extech 407744 94db Sound Calibrator

Mitchell Part Number: EXJ-407744

Availability: Typically In stock - Call if Urgent!

$309.99

Quick Overview

Extech 407744 is a 1kHz professional calibrator for 0.5" or 1.0" microphones with durable die-case, aluminum housing.

$309.99
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• Calibrates and verifies Sound Level Meter operation
• For use on Sound Level Meters with 0.5" or 1.0" microphones
• Total Harmonic Distortion (THD) <2% at 94dB
• Meets IEC standard 60942 1997-11
• Complete with two 9V batteries, carrying case, and screwdriver


• Battery test position with battery status LED indicates if battery is good
• 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.8dB

Product Includes No
Specifications

Frequency 1000 Hz ±5%
Sound Pressure Level 94 dB (407744); 94dB/114dB (407766) ±0.5dB (94dB), ±1dB (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

size 2.2" diameter x 5.6" long (50 x 127mm)
Shipping Weight 2.0000
Power Supply Two 9V Batteries
Manufacturer Extech
Manufacturer Model Number 407744
Manufacturer Warranty 1 Year
Mitchell Catalog Number No
upc code 7.9395E+11
PDF Download N/A

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