Overview
GAO Tek Environmental Noise Level Meter has 30~130dB Range Sound level meter Noise Level Meter Decibel Meter Environmental Monitoring Station is a complex and precise device for precise measurement of sound. The instrument has a durable structure and can be used normally for several years under proper operation conditions.
Technical Specification
| Specification | Value |
| Accuracy | 73.4 ± 41°F (23±5℃) |
| Frequency range | 31.5Hz to 8kHz |
| Time response | Quick response: T = 200ms Time response simulate human ear’s time response |
| Calibrator | multi-function sound calibrator |
| Microphone | Capacitor microphone |
| Size of Microphone | 0.5 inch |
| Range | 30 to 130 dB |
| Maximum output resistance | 200 Ω |
| The power supply mode | DC 12V |
| Power consumption | DC 12V to 20 mW |
| Installation method | The transfer plate is placed in a round black pipe with a length of 7.09 in (about 180mm), an outer diameter of 0.98 in (about 25mm , and an inner diameter of18mm, seal treatment on both sides |
| External packaging | ABS plastics |
| Working temperature | 32 To 122 °F (0 – 50 ℃） |
| Working humidity | < 80% relative humidity |
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