| Model：F231 |
| Transmitter F231 (with display) offers driving force to sensor, transforms sensor signal into mass flow signal and other parameter signals, which is suitable to all kinds of sensor. |
Technical parameters：
| Model no. | F231 |
| Temp. rating | -20°C~+50°C |
| RH | ≤95%, non condensed |
| Atmospheric pressure | 86~106KPa |
| Operating voltage | AC85~265V, DC12~28V |
| Communication port | RS485 Modbus RTU |
| Ex-proof grade | Exd[ib]IIBT4Gb |