| tem | 
            Specification | 
        
        
            | Model Name | 
            OAS-1 | 
        
        
            | Measurement range | 
            OAS-1-1 | 
            50ppm - 1000ppm or 500ppm - 1% (Selectable on request) | 
        
        
            | OAS-1-2 | 
            50ppm - 1% | 
        
        
            | Measurement accuracy | 
            OAS-1-1 | 
            50ppm - 1000ppm +/-50ppm 500ppm - 1% +/-500ppm | 
        
        
            | OAS-1-2 | 
            50ppm - 1000ppm +/-50ppm 1000ppm - 1% +/-500ppm | 
        
        
            | Response | 
            90 seconds (90% response value) | 
        
        
            | Warm-up time | 
            Approx. 5minutes 
            ('---' is displayed for 4 minutes and blinks for 1 minute.) | 
        
        
            | Gas temperature | 
            +5 - 50C | 
        
        
            | Gas humidity | 
            0 - 85% R.H. | 
        
        
            | Ext. output | 
            Outputs digital signals at 1-minute interval (thru. RS-232C) 9600bps, non parity, stop bit : 1 | 
        
        
            | Source voltage | 
            100VAC, 0.5A or less | 
        
        
            | Outer Dimension | 
            170(W) x 140(H) x 315(D) (mm) | 
        
        
            | Weight | 
            Approx. 3kg | 
        
        
            | Sensor life | 
            Approx. 3years (depending on the use environments) |