MICROceL HS - Hydrogen Sulphide sensor Performance Characteristics: Nominal Range: 0-100ppm Maximum Overload: 1000ppm Expected Operating Life: Two years in Air Output Signal: 0.105 ± 0.025 μA/ppm Resolution: 0.2ppm Temperature Range: -40°C to +50°C Pressure Range: Atmospheric ± 10% T50 Response Time: