Description
Overview
GAOTek Sound Level Meter with Noise Detector Data Logger in dB from 30dB to 130 dB. User selectable features include Frequency weighting (A & C), Response Time (Fast & Slow), Data Hold and MAX/MIN recording. Comply with norm of IEC 651 type 2, ANSI S 1.4 TYPE 2. Each meter is fully tested and calibrated in the factory before delivery. With proper use, it will provide years of reliable service.
Features
- Digital LCD with Analog Bar-graph and backlight
- A/C Frequency weighting
- Fast/Slow Response time
- Over-range and Under-range indication
- MAX/MIN
- Data Hold
- Auto Power Off
- DC/AC Analog signal output
- External 9 V DC power supply
- Data logging and USB interface
Technical Specifications
| Measurement range | 30 dB to 130 dB |
| Microphone | ½ in polarized condenser microphone |
| Frequency range | 31.5 Hz to 8000 Hz |
| Accuracy | ±1.5 dB |
| Resolution | 0.1 dB |
| Data update | 500 ms |
| Response time | FAST 125 ms, SLOW 1 s |
| Standard calibrator | 1 K Hz sine wave at 94 OR’s 114dB |
| Display | 3 to ½ digital LCD with analog bar-graph |
| Outputs | AC/DC signal output from earphone jack AC=1 V rms, DC=10 mV/dB |
| Output port | Micro USB |
| Power | One 9 V battery or DC 9 V |
| Data logger memory | 32000 data |
| Weight | 7.05 oz (200 g) |
| Dimension | 215 in x 2.28 in x 1.29 in (215 mm x 58 mm x 33 mm) |
| Storage condition | – 4 °F to 140 °F (-20 °C to 60 °C),10% to 90% RH, Non-condensing |
| Operating condition | 0 °C to 50 °C (32 °F to 122 °F), 10 to 90% RH, Non-condensing |