PO2-2x Percent Oxygen Sensor (O2 sensor) General Purpose % O2 measurement when CO2 > 0.1%. Use when acid gases are present (CO2, HCl, HCN, etc.) PO2-2x Percent Oxygen Sensor (O2 sensor) Direct Replacement Guide Analytical Industries: XLT-11-15 Teledyne: A-3, A-5 PO2-2x Percent Oxygen Sensor (O2 sensor) Specifications: Sensor Technology: Micro Fuel Cell Signal Output: 105 - 260uA Measuring Range: 0 - 100 Percent Response Time T90: 7 Seconds Accuracy Full Scale: ± 1% of Signal Repeatability F.S.: ±0.5% Temp Coefficient: 2.54 %/ºC Operating Temp: 0 to 50ºC Storage Temp: 0 to 45ºC Recommended Flow: 0.5 - 2 SCFH Humidity: 0 - 100% RH (Non - Condensing) Expected Life: 12 - 15 Months Storage: 6 Months Warranty: 9 Months PCB Connection: Center Foil Negative Outer Foil Positive