AC50 – Single Loop Controller

AC50 – Single Loop Controller

Designed with advanced features and cutting-edge technology, the AC50 is the ideal choice for ensuring optimum performance of atmosphere furnaces and generators. With its high accuracy and fast response time, the AC50 delivers unparalleled control and stability, even in the most demanding conditions.

Features and Benefits:

Direct replacement for SSi’s AC20 and most atmosphere controllers
Controls % carbon, dew point, probe millivolts, % oxygen
Oxygen autorange, % O2, ppm, ppb, and exponential
1/4 DIN
Ethernet Modbus TCP communications
Modbus RTU RS485 communications
4 Relay outputs
2 Analog outputs
5 Digital inputs
High impedance input > 100 meg
Three internal timers for probe burnout, duration, and recovery
Digital input for door or external activation of burnout
Automatic probe impedance test
Remote software configuration tool
CE, RoHS, Reach (Europe), UL, cUL
Power Supply 100V to 240V AC +/- 10%, 50/60Hz
Carbon Range 0.00 to 2.00%
Dew Point Range -100 to 100 °F (-75 to 40 °C)
Oxygen autorange % O2 ppm, ppb, and exponential
Probe millivolts 0-1500
Part Numbers 31070 – AC50 with Ethernet Modbus TCP
31072 – AC50 with Modbus RTU RS485


Temperature and Carbon Control