| Technical parameters | Parameter values | 
| Brand | SONBEST | 
| Liquid level range | 0~5m | 
| Liquid level accuracy | ±3% | 
| Communication Interface | RS485 | 
| Default baud rate | 9600 8 n 1 | 
| Power | DC9~24V 1A | 
| Running temperature | -30~80°C | 
| Working humidity | 5%RH~90%RH | 
BRAND: SONBEST
TYPE: SM2130B-CY
Email: sale@sonbest.com
WeChat: 13918126020
SKYPE: SOOBUU
Phone: +86-021-66862075
QQ1: 71182854 QQ2:613035997