Extech 407750 - Manual
Extech 407750 – 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 – Meter Description
- Page 4 – Operation; Quick Start
- Page 5 – Auto and Manual Ranging; LCD Backlighting
- Page 6 – Analog Outputs
- Page 7 – Reference Information; Frequency Weighting Characteristics
- Page 8 – Battery Replacement
- Page 9 – Copyright; ISO
User's Guide
Digital Sound Level Meter
Model 407750
"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.
Summary
407750-EN v2.2 07/13 3 Meter Description 1. LCD Display 2. Microphone 3. ON/OFF key 4. REC (Record) key 5. MAXHLD (Max Hold) key 6. C/A Weighting Select key 7. BA (Background Absorber) key 8. F/S Fast / Slow Response select key 9. DOWN 10. Backlit (LCD backlighting) key 11. UPPER 12. AC adaptor jack...
407750-EN v2.2 07/13 4 Operation Quick Start 1. Power the meter by pressing the ON/OFF key. 2. The meter’s LCD will count down to zero (99.9, 88.8, 77.7, etc.) and then begin measuring sound levels. If the LCD does not switch on after pressing the ON/KEY check the 9V battery. 3. Point the microphone...
407750-EN v2.2 07/13 5 BA (Background Noise Absorber) Mode The Background Noise Absorber allows the user to accurately measure equipment noise by “eliminating” background noise. The Sound Level Meter first stores the background noise as a reference level. From there, when a sound is measured, the di...
