The RKC Instrument SB1 is a temperature controller that is specially developed for semiconductor, process and laboratory heat-tracing applications.

The SB1 has a built-in 230Vac 7A solid state relay SSR for driving the heat-tracing jacket.

It is also fitted with a MODBUS RTU RS-485 interface.

– Leaflet SB1
– Instruction manual SB1

Click here for a quoation for the SB1.

heat-tracing temperature control
Easy to operate with the frontpanel

The SB1 controller can be operated in an easy way from the frontpanel. The controller is also fitted with a service port for quick and easy configuration with a laptop/desktop.

MODBUS RTU RS-485 communication with host

The SB1 temperature controller is fitted with a MODBUS RTU RS-485 interface as standard. With this the heat-tracing can be remotely monitored and operated from the central control room of the plant.


With the COM KG you can connect you controller to an USB port of your laptop/desktop. With this  the controller can be configured quickly and easy.


With the free PROTEM2 software you can configure your controller in an easy way. Click here to download the free software.

SCADA touchpanel for remote monitoring and operation of up to 24 SB1 temperature controllers

The SB1 can be delivered with a Pro-face GP-4201TAD touchpanel that can communicate with up to 24 (adjustable) SB1 controllers via the MODBUS RTU RS-485 interface. This touchpanel can be integrated into the central control room of the plant.