• Sensitivity: -400 to -750 nA/ppm in 10ppm Cl2.
• Response Time: Less than 40 seconds to reach 90% of the final value from zero to 10ppm Cl2 with a 33W load resistor.
• Zero Current: ±0.2 ppm equivalent in zero air.
• Resolution: RMS noise less than 0.02 ppm equivalent with a 33W load resistor.
• Range: Performance warranty up to 20 ppm.
• Linearity: ±1.5 ppm error at full scale, linear at zero and 5ppm Cl2.
• Overgas Range: Stable response to gas pulse up to 50 ppm.

• Zero Drift: Less than 0.2 ppm equivalent change per year in lab air, tested monthly.
• Sensitivity Drift: Less than 4% change per month in lab air, tested twice monthly.
• Operating Life: More than 24 months until 80% of the original signal, with a 24-month warranty.

• Temperature Sensitivity: 80% to 95% at -20°C and 75% to 87% at 50°C, both relative to output at 20°C with 10ppm Cl2.
• Zero Temperature Change: Less than ±0.2 ppm equivalent change from 20°C at -20°C and 0 to -0.4 ppm at 50°C.

• NO2: 100% sensitivity at 10ppm.
• NO: Less than 0.5% sensitivity at 50ppm.
• SO2: Less than -2.5% sensitivity at 20ppm.
• H2: Less than 0.1% sensitivity at 400ppm.
• H2S: Less than -40% sensitivity at 20ppm.
• CO: Less than 0.1% sensitivity at 400ppm.
• C2H4: Less than 0.1% sensitivity at 400ppm.

• Temperature Range: -20°C to 50°C.
• Pressure Range: 80 to 120 kPa.
• Humidity Range: 15% to 90% relative humidity, continuous.
• Storage Period: 6 months at 3 to 20°C in a sealed pot.
• Load Resistor: 33W for optimum performance.
• Weight: Less than 6 grams.

• Figure 2: Shows sensitivity variation with temperature changes.
• Figure 3: Illustrates zero output variation with temperature changes, expressed as ppm gas equivalent.
• Figure 4: Demonstrates response to changes in relative humidity, showing low transient response to large step changes.

For further information, contact Alphasense Ltd or visit their website for application notes.