HCL-A1 Hydrogen Chloride Sensor HCL Sensor Description Alphasense is expanding its line of electrochemical Toxic Gas Sensors to address industry-specific requirements, including emissions monitoring, process safety, environmental monitoring and VOCs. Hydrogen Chloride (HCl)/Hydrogen Bromide (HBr) The HCL sensor also detects Hydrogen Bromide (HBr). These HCL sensors are zero biased for easier use. Available in A and B series. HCL-A1 Hydrogen Chloride Sensor HCL Sensor Specifications * Range: 100ppm HCl limit of performance warranty * Sensitivity: 80 to 130 nA/ppm in 25ppm HCl * Response time t90: < 300s from zero to 25ppm HCl * Resolution: < 1 RMS noise (ppm equivalent) * Temperature range: -30 to +50'C * Pressure rangeâ??: 80 to 120 kPa * Humidity range: 15 to 90% rh continuous * Weight: < 6g