Overview
Enviro Testers 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.
Features
- Stable measure
- Wide measuring range
- Wide frequency
- High precision
- Waterproof and durable
Technical Specification
| Frequency Range | 31.5 Hz to 8 kHz |
| Time Response | Quick response: T = 200 ms Time response simulate human ear’s time response |
| Calibrator | B&K (Bruel & Kjaer company), multi-function sound calibrator model: 4226. |
| Microphone | Capacitor Microphone |
| Size Of Microphone | 0.5 inch |
| Range | 30 dB to 130 dB |
| Maximum Output Resistence | 200 Ω |
| The Power Supply Mode | DC 12 V |
| Power Consumption | DC 12 V: ≈ 20 mW |
| External Packaging | ABS plastics |
| Working Temperature | 32°F to 122 °F（0 ℃ to 50 ℃） |
| Working Humidity | < 80 % relative humidity |
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