Refresh For Less event is on now. Don't wait!  Shop Event

Overview

Model # 407744 Store SKU # 1000846375

The 407744 is a 1kHz 94dB professional sound calibrator for 0.5 in. or 1.0 in. microphone calibration which 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 and comes complete with two 9V batteries, carrying case and screwdriver.

  1. Calibrate and verify sound meter operation
  1. For use with 0.5 in. and 1 in. microphones
  1. Generates 1kHz sine wave at 94dB
  1. 5% Frequency accuracy, 0.5dB sound level accuracy

Specifications

Dimensions

Assembled Depth (in inches)
5.5
Assembled Height (in inches)
2.2
Assembled Weight (in lbs)
0.75
Assembled Width (in inches)
2.2
Packaged Depth (in inches)
3.94
Packaged Height (in inches)
8.67
Packaged Weight (In lbs)
1.17
Packaged Width (in inches)
2.37

Details

Case Included
Country of Origin
TW - Taiwan
Individual/Set
Individual
Power Source
Battery
Tester Function
Sound
Tester Type
Sound Level Meters

Warranty / Certifications

1 year
94dB Sound CalibratorExtech Instruments 94dB Sound CalibratorThe 407744 is a 1kHz 94dB professional sound calibrator for 0.5 in. or 1.0 in. microphone calibration which 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 and comes complete with two 9V batteries, carrying case and screwdriver.
Extech Instruments
1000846375
CAD394.052025-03-15
The Home Depot Canada
00