Hydrogen Chloride (HCl)

Sensor Specifications


Gas: HCl
Sensor: 4-HCl-50

Performance Characteristics

Nominal Range: 0 to 50 ppm
Maximum Overload: 100 ppm
Long Term Output Drift: < 2% signal/month
Response Time (T90): ≤ 70 seconds
Sensitivity: 300 ± 100 nA/ppm
Accuracy: as good as ±1 ppm* (ideal conditions)

Operation Conditions

Temperature Range: -20 ºC to 50 ºC
Operating Humidity: 15 to 90% RH non-condensing
Pressure Range: 90 to 110 kPa
Storage Temperature: 0 ºC to 20 ºC
Expected Operating Life: 2 years in air
Average consumption: less than 1 mA


* Accuracy values are only given for the optimum case. Read the Gases PRO Technical Guide for more details.