The GG-NH3 utilizes proven electrochemical sensor technology for fast and accurate leak detection. The standard detection range of the GGNH3 provides real-time continuous monitoring of ammonia concentrations accurately down to 5 ppm, with no False alarms.Key Features2-year warranty, including replacement sensor elementElectronics are potted to completely eliminate corrosion in wet environmentsAmmonia specific electrochemical sensor technology. No False alarmsNo more special-order guesswork or added costs for heated enclosuresIndustry standard linear 4/20 mA outputCorrosion, weather, and chemical resistant polycarbonate sensor enclosureIntelligent-design temperature controlled enclosure for improved cell lifeSensor designed to adapt to any harsh environment from -50°F to +140°FAccurately monitor OSHA’s PEL, STEL, and IDLH setpointsReal-time continuous monitoring for early leak detectionAny sensor can be field calibrated to any range listed