Basic configuration:

LED display for PV and SV, 2 SPDT relay outputs for PID control and/or alarm, 2 isolated current outputs for control or proportional to the input value (not powered), 90-250VAC/DC (24VDC/AC on request) power supply, dimensions 160x166x102mm, wall mountable, IP65

a/ model 3001-Pt - 1 RTD Pt100 input (Pt500, Pt1000), 3-wire connection; 1 RTD Pt100 input or TC input; 1 current input 4-20mA or 1 voltage input 0-10V or input for potentiometer

b/ model 3001-pH - 1 input from pH sensor; 1 RTD Pt100 input (Pt500, Pt1000), 3-wire connection; 1 current input 0-20mA or 1 voltage input 0-10V or input for potentiometer

Additional - AUTOTUNE function - for temperature controllers
Additional - 24VDC/50mA power supply for transmitter
Additional - galvanic isolated RS485 interface