Oxygen "TRIM" controller for ZO2 probe

Oxygen "trim"controller for continuous control air/fuel ratio according to flue gases oxygen content and load changes.

- Energy saving
- Pollution reduction
- Safety

- N° 1 oxygen probe analog input
- N° 1 analog input for boiler load signal
- N° 4 digital inputs for Hold, Fail, Fuel switch - free voltage, set point auto/man
- N° 2 analog retransmission and regulation output
- Serial communication RS485 ModBus