Description
Overview
GAOTek detector video sound level meter is featured with wide measuring range (30 dB to 130 dB). It’s portable and easy to use and a handy instrument for sound quality control in factory, office, home, school and construction site.
Features
- LCD backlight for clear reading
- Wide measuring range 30 dB to 130 dB, 35 dBc to 130 dBc
- Sound level measurement
- Maximum or lock current value
- Hold the measurement data：4400 pens
- Manual or auto shutoff
- Equipped with sponge ball
- Alarm function and alarm value setting
- Auto-sensing backlight
- Low battery reminder
- USB interface
- Automatic shut-down
Technical Specifications
| Measuring Range | 30 dBA to 130 dBA, 5 dBC to 130 dBC |
| Measuring Level | 30 to 130, 30 to 80, 50 to 100, 60 to 110, 80 to 130 |
| Linier Range | 50 dB or 100 dB |
| Sample Rate | 2 times/seconds |
| Accuracy | ± 1.5 dB |
| Resolution | 0.1 dB |
| Frequency Response | 31.5 Hz to 8 kHz |
| Frequency Weighting Features | A and C Weighting |
| AC Output | 0.707 Vrms at FS output impedance approx. 600 Ω |
| DC Output | 10 mV or dB, Output impedance approx. 100 Ω |
| Microphone | ½ in (1.27 cm) electret condenser microphone |
| Display | 5 digits LCD Display |
| Power Supply | 3 V AAA x 1.5V AAA Batteries (not included) |
| Operation Environment | 0 °F to 104 °F (0 °C to 40 °C), 10 % to 80% RH |
| Storage Environment | 14 °F to 140 °F (-10 °C to 60 °C), 0 % to 90% RH |
| Dimension | 1.97 in x 1.3 in x 6.3 in (50 mm x 33 mm x 160 mm), 2.76 in x 1.38 in x 10.08 in (70 mm x 35 mm x 256 mm) |
| Weight | 0.18 lb (82 g) or (2.92 oz), 0.68 lb (308 g) including battery) |