| Detectable Analytes | Hydrogen Sulfide, Sulfur Dioxide | | Inputs | 16 Digital Inputs (Standard), 8 0 to 10 VDC Analog Inputs (Optional) | | Linearity | ±1% full scale <100 ppm | | Response Time | 80 sec. (10 sec. average time); 110 sec. (60 sec. average time); 320 sec. (300 sec. average time) | | Span Drift | ±1% full scale | | Temperature (English) Operating | 68°F to 86°F | | Temperature (Metric) Operating | 20°C to 30°C | | Zero Noise | Manual Mode SO2 or Combine Sulfur: 1.0 ppb (10 sec. averaging time); 0.5 ppb (60 sec. averaging time); 0.25 ppb (300 sec. averaging time); Automatic Mode SO2 or H2S: 3.0 ppb (10 sec. averaging time); 1.5 ppb (60 sec. averaging time); 0.75 ppb (300 sec. averaging time) | | Certifications/Compliance | ETL, CSA, UL, CE, UKCA | | Depth (English) | 23 in. | | Depth (Metric) | 584 mm | | Description | Model 450i Hydrogen Sulfide - Sulfur Dioxide Analyzer | | Detection Limit | Manual Mode SO2 or Combine Sulfur: 2.0 ppb (10 second averaging time); 1.0 ppb (60 second averaging time); 0.5 ppb (300 second averaging time); Automatic Mode SO2 or H2S: 6.0 ppb (10 second averaging time); 2.0 ppb (60 second averaging time); 1.5 ppb (300 seconds) | | Height (English) | 8.62 in. | | Height (Metric) | 219 mm | | Measurement Range | Preset: 0 to 0.05, 0.1, 0.2, 0.5, 1, 2, 5, and 10 ppm; 0 to 0.2; Extended: 0 to 0.5, 1, 2, 5, 10, 20, 50 and 100 ppm; 0-2, 5, 10, 20, 50, 100, 200, and 250 mg/m3; Custom: 0 to 0.05 to 100 ppm; 0 to 0.2 to 250 mg/m3 | | Mounting Options | Bench, EIA, retrofit | | Outputs | Selectable Voltage, RS232/RS485, TCP/IP, 10 Status Relays, and Power Fail Indication (standard); 0 to 20 or 4 to 20mA Isolated Current Outout (optional) | | Precision | 1% of reading or 1 ppb (whichever is greater) | | Voltage | 100/115/220/240 V | | Weight (English) | 48 lb. | | Weight (Metric) | 21.8 kg | | Width (English) | 16.75 in. | | Width (Metric) | 425 mm | | Zero Drift | <1ppb | | Unit Size | Each |
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