Description
Overview
GAOTek’s noise dose meter with data logger accurately gauges and showcases sound levels ranging between 30 dB to 130 dB. Users can tailor settings with options like Frequency Weighting (A & C), Response Time (Fast & Slow), and functionalities such as Data Hold and MAX/MIN recording. It adheres to IEC 651 type 2 and ANSI S1.4 TYPE 2 standards, undergoing full testing and calibration in the factory prior to delivery. When used correctly, it assures years of dependable performance.
Features
- Digital LCD with Analog Bar-graph and backlight
- A/C Frequency weighting
- Fast or Slow Response time
- Over-range and Under-range indication
- MAX or MIN functionality
- Data Hold capability
- Auto Power Off feature
- DC or AC Analog signal output
- External 9 V DC power supply option
- Data logging and USB interface
Technical Specifications
| Measurement Range | 30 dB to 130 dB |
| Microphone | 0.5 in (12.7 mm) 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 is 125 ms, Slow is 1 s |
| Standard Calibrator | 1 kHz sine wave @ 94 dB or 114 dB |
| Display | 3 in x 0.5 in (76.2 mm x 12.7 mm) digital LCD with analog bar-graph |
| Outputs | AC/DC signal output from the earphone jack |
| AC=1 Vrms DC=10 mV/dB | |
| Output Port | Micro USB |
| Power | One 9 V battery or DC 9 V |
| Data Logger Memory | 32000 data |
| Operating Condition | 32 °F to 122 °F (0 °C to 50 °C) 10% RH to 90% RH |
| Storage Condition | 4 °F to 140°F (-20 °C to 60°C), 10% RH to 90% RH, Non-condensing |
| Dimension | 8.46 in x 2.28 in x 1.29 in (215 mm x 58 mm x 33 mm) |
| Weight | 7.05 oz (200 g) |