Digital Sound Level Meter Decibel Meter Pressure Level Reader Volume Tester, 501 Original

GN101 Digital Sound Level Meter Decibel Meter Pressure Level Reader with 35dB-135dB Noise Audio Volume Monitoring TesterDescription:1. This machine uses capacitance microphone as sensor, high configuration MCU calculation, high accuracy, fast response.2. The sound level meter is designed to meet the following requirements: Safety Engineer, health, industrial safety office and sound quality control in various environments such as factories, schools, buildings, etc.Feature:1. High precision and fast response speed.2. Colorful LCD display with backlight.3. Temperature measurement.4. Maximum and minimum.5. Data retention.6. Wide frequency range.7. Fast / slow weighting.8. Over range indication.9. Enable / disable automatic shutdown.10. Battery life is at least 60 hours.11. Automatic shutdown.12. After 15 minutes of idle mode, the instrument will turn off automatically.13. Shutdown mode, disable auto shutdown function.Specification:Measurement level range: 35dB ~ 135dbDynamic range: 50dBFrequency range: 31.5hz ~ 8kHzAccuracy: ± 2.0dbTime weighted fast: 125ms / slow: 1sMicrophone 1 / 2 Inch Electret Condenser Microphone:High / low reading > 100dB, LCD displays \"Hi\"Indication < 100dB, LCD display \"Lo\"Temperature range: - 20 ℃-70 ℃ / - 4 ℃- 158℉Temperature accuracy: ± 1.5 ℃ / 2.7℉Resolution: 0.1Data update: 300msBattery: 3 * 1.5V \"AAA\" battery (without)Working conditions: - 20 ℃ ~ 60 ℃ / - 4 ℃~ 140 ℃, 10rh% ~ 90 RH%Storage conditions: -20℃~60℃/ -4℉~140℉,10 RH%~75 RH%Size: 144 * 56 * 30.5mm/5.66*2.2*1.2''Note: Please allow 1-3mm differs due to manual measurement.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.1 X Sound Level Meter1 X User Manual