Extech 407744 Audio Calibrator is a precise and reliable tool for generating a reference audio signal with a sound pressure level of 94 dB at a frequency of 1 kHz.
This device is specifically designed for the calibration of audio measurement microphones with standard sizes of 0.5 inches and 1.0 inches.
Utilizing this calibrator is essential for sound engineers, noise measurement technicians, and laboratory companies that require adherence to precision standards. By creating a stable and repeatable sound source, it allows for the verification of audio measurement systems.
The rugged construction and practical design of the 407744 model make it an ideal option for use in industrial and field environments.
This calibrator helps users achieve more accurate data for acoustic analyses and audio quality control by eliminating systematic errors in audio measurements. Its compatibility with standard microphones simplifies and speeds up the calibration process.
Key Features of the Extech 407744 Audio Calibrator
- Accurate audio signal generation with a pressure level of 94 dB
- Standard reference frequency of 1 kHz for precise calibration
- Full compatibility with 0.5 inch and 1.0 inch microphones
- Ergonomic and portable design for easy use
- High stability in performance to ensure repeatability of results
- Ideal source for verifying audio measurement equipment
Technical Specifications
| Feature | Value |
| Model | 407744 |
| Device Type | Audio Calibrator |
| Sound Pressure Level | 94 dB |
| Reference Frequency | 1 kHz |
| Microphone Compatibility | 0.5 inch and 1.0 inch |
| Brand | Extech |
Frequently Asked Questions
Is this calibrator suitable for 0.25 inch microphones?
No, this model is specifically designed for 0.5 inch and 1.0 inch microphones and may not fully comply with other sizes.
What is the accuracy of the 1 kHz frequency in the Extech 407744 audio calibrator?
This device provides a standard reference with a frequency of 1 kHz which is sufficient for routine audio calibrations, but its absolute accuracy depends on factory calibration.
Is this calibrator resistant for use in industrial environments?
Yes, its robust structure and industrial design allow for use in various working environments, although it should be protected from severe impacts.
Conclusion
The Extech 407744 audio calibrator is a smart choice for any organization that values precision and reliability in audio measurements.
By providing a stable and standard sound source, this tool assists engineers and technicians in correctly calibrating their systems.
If you are looking for a tool to verify standard microphones, this model meets your needs with high-quality construction and reliable performance.