| Target gas | 
            HCl, NH3, HCl + H2O, NH3 + H2O, CO + O2, O2, CO, CO2, CO + CO2, CH4 | 
        
        
            | Principle | 
            Non-dispersion infrared (NDIR) | 
        
        
            | Installation | 
            Cross-stack | 
        
        
            | Laser class | 
            Class 1 (excluding some versions of O2 analyzer) | 
        
        
            | Measurement range | 
            See Table 1 below. | 
        
        
            | Measurement light length | 
            0.5–10 m (CO + O2 analyzer: 0.5–5 m) | 
        
        
            | Repeatability | 
            ±1.0% FS | 
        
        
            | Zero drift | 
            ±2.0% FS per 6 months (depending on component and range) | 
        
        
            | Response speed (90% response) | 
            ≤ 5 s (≤ 2 s version available) | 
        
        
            | Analog output | 
            4–20 mA DC, 0–1 V DC, 0–5 V DC, or 0–10 V DC | 
        
        
            | Analog input | 
            4–20 mA DC, 2 points or 6 points | 
        
        
            | Contact input (option) | 
            3 points (average reset, remote hold, remote, switchover between instantaneous value and moving average value) | 
        
        
            | Contact output | 
            5 points (high/low limit alarm, low light, power interruption, device failure, during hold/during calibration) | 
        
        
            | Power supply voltage | 
            100–240 V AC, approx. 75 VA | 
        
        
            | Operating temperature | 
            Receiver unit and transmitter unit: -20 to 55°C 
            Control unit: -5 to 45°C 
            RH 90% or less | 
        
        
            | Gas temperature | 
            See Table 1 below. | 
        
        
            | Gas pressure | 
            ±10 kPa (O2 analyzer for combustion control: -10 kPa to 100 kPa) | 
        
        
            | Dimensions (in mm) | 
            Receiver unit: 180 x 400 x 200 
            Transmitter unit: 240 x 400 x 200 
            Control unit: 240 x 135 x 320 | 
        
        
            | Weight | 
            Receiver unit and transmitter unit: approx. 10 kg each 
            Control unit: approx. 8 kg | 
        
        
            | Mounting | 
            Receiver unit and transmitter unit: flange mount 
            Control unit: wall mount or pipe mount |