| sensor.mart@gmail.com |
| +91-9719411764, +91-7017880914 |
Specifications
| Model | SMKNNO-PRO |
| Brand Name | SesnorMart.com |
| Measurement Range | 30~130dB（A） |
| Sensitivity | -38±3dB (Or 12.6mv/Pa) |
| Resolution | 0.1dB |
| Accuracy | ±3dB@23±5, accordance with IEC 61672 type 2 standard, calibrated with input 94dB(1kHz) |
| Frequency Range | 20Hz -12.5kHz |
| Response Time | 200ms |
| Calibration Device | B&K（Bruel & kjaer ），4231 |
| Microphone | Electret Microphone |
| Directivity | Omnibearing |
| Microphone Size | 0.5 inch |
| Power Supply | DC5V, DC9V-30V |
| Cable | Standard (2.5 m) |
| Maximum Power Consumption | 500 mW |
| Material | Aluminum Alloy |
| Net Weight | 165g |
| Gross Weight | 400g |
| Operating Environment Temperature | 40℃～80℃ |
| Humidity | ≤100%RH |
| Protection Class | IP55 |
SMKNNO-PRO Noise sensor is a digital, modular and multifunctional sound level meter. The digital signal processing chip and digital detection technology are adopted, which have the advantages of high reliability, good stability, wide dynamic range, and no need of range conversion. It can be widely used in industrial noise measurement of various machines, vehicles, ships, electrical appliances, etc., and can also be used in environmental noise, labor protection, and industrial hygiene measurement.
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