Steiel - Model S503 -Microprocessor-Based Instruments

Series of microprocessor-based, digital, single-parameter controllers. Models with input for pH/redox electrode, amperometric cell, conductivity probe, dissolved oxygen cell, standardized input (indicator). Temperature input available on removable 2-pin terminal block, for connecting a Pt100 sensor. Automatic temperature compensation of readings with Pt100 sensor connected. 2 relay outputs that can be configured as set point or alarm. 1 relay output (K1) can be used for driving a pump magnet. 1 current output, fully configurable and galvanically insulated. 1 serial port for communication with PC (optional software). 1 OFF digital input, for disabling all outputs.