| Technical parameter | Parameter value |
| Brand | SONBEST |
| Smoke measuring range | 0~5000ppm |
| Smoke allow deviation | ±7% |
| Smoke Repeatability test | ±5% |
| Smoke detection chip | Import digital |
| Temperature characteristics | ±0.5%/℃ |
| Interface | RS485/4-20mA/DC0-5V |
| Power | DC12~24V 1A |
| Running temperature | -40~80°C |
| Working humidity | 5%RH~90%RH |
BRAND: SONBEST
TYPE: SM3572
Email: sale@sonbest.com
WeChat: 13918126020
SKYPE: SOOBUU
Phone: +86-021-66862075
QQ1: 71182854 QQ2:613035997