Description
Overview
GAOTek sound level meter is used for machine’s working noise, recording studio, live music venue, church, library, school, or just about anyone looking to measure noise and sound level.
Technical Specifications
|  Accuracy |  ±1.5dB (based on the standard sound source 94dB@1KHz) |
| Â Frequency response range | Â 31.5Hz to 8.5KHz |
| Â Dynamic state range | Â 50 dB |
| Â Measuring range | Â 30dB to 130dBA, 35dB to 130dBC |
|  Frequency weighting |  A and C |
| Â Numerical digit display | Â 4 digits, resolution 0.1dB, sampling frequency 2 times/second |
| Â Dynamic scale display | Â 1 scale equals 2dB or 1dB, sampling frequency 2 times/second |
| Â Dynamic scale shift | Â 30dB to 130dB, 30dB to 80dB, 50dB to 100dB, 80dB to 130dB |
| Â Overload | Â “OVER” and “UNDER” in display screen |
| Â AC signal output | Â 0.65Vrms for each shift & full scale, output of impedance about 600ohm |
| Â DC signal output | Â 10mV/dB, the output of impedance around 100ohm |
| Â Dynamic character | Â Two choices of reaction rate “FAST” and “SLOW” |
| Â Microphone | Â 6mm capacitor microphone |
| Â Max locking | Â MAX |
| Â Battery | Â 3×1.5V AAA (not included) |
|  Working temperature | 32 ℉ to 104℉ (0 ℃ to 40 ℃) |