CO performance parameters: Output signal: 25-50 nA/ppm Typical baseline range (pure air): ± 3 ppm CO equivalent T90 time: < 30 seconds Measuring range: 0-1000 ppm Overload: 2000 ppm Environmental Data: Continuous operating temperature: -30 ° C to + 50 ° C Pressure range: 800 to 1200 mbar Operating Humidity: 15% to 90% RH Life Data: Life expectancy: > 24 months in the air Standard warranty: 12 months H2S performance parameters: Output signal: 80-160 nA/ppm Typical baseline range (pure air): ± 1 ppm H2S equivalent T90 time: < 30 seconds Measuring range: 0-100 ppm Overload: 400 ppm Environmental Data: Continuous operating temperature: -30 ° C to + 50 ° C Pressure range: 800 to 1200 mbar Operating Humidity: 15% to 90% RH Life Data: Life expectancy: > 24 months in the air Standard warranty: 12 months