| ampling Method | 
            Diffusion. (Optional: sensor can be remote up to 30 feet from the transmitter) | 
        
        
            | Available Gases | 
            ammonia, bromine, chlorine, fluorine, hydrogen bromide, hydrogen chloride, hydrogen cyanide, hydrogen fluoride, hydrides, hydrazine, nitrogen dioxide, phosphine, and sulfur dioxide. Other gases available; consult PureAire. | 
        
        
            | Accuracy | 
            ± 10% of full scale | 
        
        
            | Operating Temperature | 
            -25 to +122F (-32 to +50C) | 
        
        
            | Sensor Type | 
            Renewable electrochemical self-checking sensor with built-in microprocessor | 
        
        
            | Sensor Life | 
            3 to 8 years under normal conditions | 
        
        
            | Gas concentration indicator | 
            Built-in LCD digital display, (backlit) Displays: Gas Name & ppm concentration, AL1, AL 2, System Fault messages. | 
        
        
            | Signal Outputs | 
            4-20 mA analog output, Dual Level Alarm Relay Contacts | 
        
        
            | Power Requirements | 
            24 VDC, .25 amp Regulated power supply required | 
        
        
            | Dimensions | 
            5.5 (W) x 10.5 (H) x 3.25 (D) inches; (140 x 267 x 83 mm) | 
        
        
            | Weight | 
            1.2 lbs. (.5 kg) | 
        
        
            | Enclosure | 
            Polycarbonate UL listed general-purpose Optional NEMA 4X, IP 65 water-resistant, (only available without built-in horn) | 
        
        
            | Country of Origin | 
            USA | 
        
        
            | Harmonized Tariff Code | 
            8531.10.0045 |