ARITECH FIRE STPL4+ Gas detection unit equipped with 4 inputs expandable to 8 through an optional module

Gas detection unit equipped with 4 inputs expandable to 8 through an optional module (ST.PL4/ESP board). Supplied in an IP65 ABS container and complete with integrated 230/12Vcc - 1.5A power supply with internal space for a 12V-7Ah battery. Reading the concentration values on a backlit LCD display. 5 relay outputs available associated with the 3 intervention thresholds. 1 at fault and 1 freely programmable. SIL1 and ATEX certified according to EN60079-29-1