Designed to monitor and alarm for Hydrogen Chloride (HCl) levels in ambient air near industrial sites, manufacturing facilities, combustion processes, etc. The HCl sensor is of the disposable electrochemical type with an expected life of between 3-4 years. The sensor needs no warm up time and is ready to go as soon as the monitor is turned on.
Model 591DR2 has two remote sensors that are electrically connected to the main cabinet.