EXTECH 407744 Sound Level Calibrator, 94 dB at 1,000 Hz
The EXTECH Sound Level Calibrator (MPN 407744) is a 94 dB output sound pressure calibrator with a 1,000 Hz frequency source. It offers a frequency accuracy of 5% and an output sound accuracy of ±0.5dB, with…
SKU 3G-OTH-175951
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The EXTECH Sound Level Calibrator (MPN 407744) is a 94 dB output sound pressure calibrator with a 1,000 Hz frequency source. It offers a frequency accuracy of 5% and an output sound accuracy of ±0.5dB, with distortion less than 2%. This calibrator is compatible with Extech brand instruments and does not include a calibration certificate.
Frequently Asked Questions
What is the EXTECH Sound Level Calibrator 407744 used for?
The EXTECH Sound Level Calibrator 407744 is used to verify and calibrate sound level meters and noise dosimeters. It generates a stable 94 dB output at 1,000 Hz, making it suitable for field or lab calibration of Extech instruments and other compatible devices.
What are the specifications of the EXTECH Sound Level Calibrator 407744?
The EXTECH Sound Level Calibrator 407744 delivers a 94 dB output sound pressure at 1,000 Hz. It has a frequency accuracy of 5%, output sound accuracy of ±0.5 dB, and distortion less than 2%. It is compatible with Extech brand instruments and does not include a calibration certificate.
Where to buy the EXTECH Sound Level Calibrator 407744 worldwide?
You can source the EXTECH Sound Level Calibrator 407744 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to use the EXTECH Sound Level Calibrator 407744 for calibration?
To calibrate a sound level meter, place the meter's microphone into the calibrator cavity and turn on the 407744. It outputs a 94 dB tone at 1,000 Hz. Adjust the meter to match the reference level. For best results, follow the meter manufacturer's procedure and use a traceable reference.
Used in
Common applications for EXTECHEXTECH Products
3G Electric supplies EXTECH sound level calibrators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.