| Technical parameters | Parameter values |
| Brand | SONBEST |
| Noise range | 30~130dB |
| Noise accuracy | ±3% |
| Communication Interface | DC4~20mA |
| Power | DC12~24V 1A |
| Running temperature | -30~80°C |
| Working humidity | 5%RH~90%RH |
BRAND: SONBEST
TYPE: SM2130M-NOISE
Email: sale@sonbest.com
WeChat: 13918126020
SKYPE: SOOBUU
Phone: +86-021-66862075
QQ1: 71182854 QQ2:613035997