Background gas compensation only, IDM user program 0 to 5% oxygen Standard response Weatherproof enclosure Measurement ranges from 0.01 to 100% Compact, rugged sensor design No moving parts provides long term reliability and trouble-free operation Dual-bridge measurement circuit compensates for variations in background gas composition Unique dual-chamber, temperature-controlled cell Resistant to contamination and flow fluctuation Accuracy of 1% of span and linearity of better than 0.5% of span