Hydro-Air F38 series 1100 model simple single loop digital display control instrument can support the thermocouple, heat resistance, voltage (root operation) and current (root operation) It is suitable temperature, pressure, flow, liquid level and humidity for industrial process monitoring.

It is typically used for PTS pressure and level sensors connection. Example of PTS model are PTS41W, PTS18, PTS71, PTS47W and a list to go on.
It supports 2-way alarm function, 1-way transformer output or RS485 communication interface using standard MODBUS protocol. It has 100-240V AC/DC or 12-36V DC switching power supply with standard snap-in installation.