Technical Parameters
| Technical parameter | Parameter value | 
| Brand | TRANBALL | 
| Noise range | 30~130dB | 
| Noise accuracy | ±3% | 
| Power | DC12~24V 1A | 
| Running temperature | -30~85℃ | 
| Working humidity | 5%RH~90%RH | 
Product Selection
Product DesignRS485,4-20mA,DC12-24VMultiple output methods, the products are divided into the following models depending on the output method.| Product model | output method | 
| QM8765B | RS485总线 | 
| QM8765M | 4-20mA | 
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