Semiconductor gas sensor GS 400 ST

wall-mounted

For the detection of flammable, explosive gases. Can also be used in dusty and dirty environments. Description For connection to the gas alarm units GW-S, GW-S4 and GW-SK. Aluminium wall mounting design. Connection cable (shielded) 3 x 1.5 mm2 Cu+ protective conductor, supply and return conductor (max. 100 Ohm line resistance). Technical data Measuring range 0/50 % Measuring principle Semiconductor Service life: Approx. 5 Jahre Supply voltage DC 24 V ± 5 % Operating temperature range Ambient: -10/+50 °C Humidity/moisture 40/50 % rH Housing W x H x D: 90 x 85 x 65 mm Weight: Approx. 0.5 kg Degree of protection: IP 54 (EN 60529) Output signal 4–20 mA