| Key Features • Proven PID technology—The patented sensor provides the following unique features: - 3-second response time - range up to 5,000 ppm - humidity compensation • Designed for service—Easy access to lamp and sensor in seconds without tools • Big graphic display for easy overview of concentration • Field-interchangeable battery pack, replaceable in seconds without tools • Multi-language support with 12 encoded languages • Rugged housing withstands use in harsh environments - IP-65 design - Strong, protective removable rubber boot |