Extech 407744 - Manual
Extech 407744 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 3 – Operation; Battery Replacement
- Page 4 – Specifications
- Page 5 – Copyright; ISO
- Page 6 – Certifié
- Page 7 – Garantía; Servicios; Certificado
User’s Manual
Model
407744 and 407766
Sound Level Calibrators
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Summary
3 407744 & 407766-EN v5.3 1/14 Operation Theory of Operation The 407744 sound level calibrator generates a 94dB sine wave at 1 KHz. The 407766 generates a 94dB and a 114dB sine wave at 1kHz. When a microphone from a sound level meter is inserted into the calibrator, the sound level meter picks u...
4 407744 & 407766-EN v5.3 1/14 Specifications Output signals 407744: 94dB 407766: 94dB and 114dB Output signal accuracy 407744: ± 0.5dB; 407766: ± 0.5dB (94dB), ±1.0dB (114dB) Output signal frequency 1 KHz sine wave Accuracy of output signal frequency ± 5% Compatible microphones size 0.5” microp...
5 407744 & 407766-EN v5.3 1/14 Warranty FLIR Systems, Inc. warrants this Extech Instruments brand device to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies to se...
