Technical Parameters
| Technical parameter | Parameter value |
| Noise range | 30~130dB |
| Noise accuracy | ±3% |
| Power | DC5V 1A |
| Running temperature | -30~85℃ |
| Working humidity | 5%RH~90%RH |
Product Selection
Product DesignRS485,DC0-3VMultiple output methods, the products are divided into the following models depending on the output method.| Product model | output method |
| YM7902B | RS485总线 |
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