Nova Analytical Systems
Canada
270 Sherman Avenue N.
Hamilton, ON L8L 6N5
Phone: (905) 545 2003• Fax: (905) 545 4248
Email: sales@nova-gas.com or websales@nova-gas.com United States
1925 Pine Avenue
Niagara Falls, NY 14301
Phone: (716) 285-0418 • Fax: (716) 282-2937
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For continuous analysis of Carbon Dioxide (CO2) in process gas streams using an infrared detector. Percent and PPM levels available as Models 420 & 420L respectively.
Continuous Process Gas Analyzers
Unit of Measure
Items N7MC generic
Model 420N7MC
Model 420N7MC Carbon Dioxide Analyzer, in Explosion-proof cabinet, Class 1 Div 1 Group BCD 		RMN7 21
Model 420RMN7
Model 420RMN7 Carbon Dioxide Analyzer, ex-proof sensor housing with rack mount control cabinet (two separate enclosures) 		Purged cabinets
Model 420 D1 or D2
Model 420 D1 or D2 Carbon Dioxide Analyzer, with cabinet purge systems for hazardous areas
Method of Detection N/A Single cell NDIR with no moving parts
Ranges Available N/A 420 - 0-1, 0-5, 0-10, 0-20, 0-30, 0-50, 0-100% CO2 420L - 0-5,000 PPM CO2 N/A 420 - 0-1, 0-5, 0-10, 0-20, 0-30, 0-50, 0-100% CO2 420L - 0-5,000 PPM CO2 N/A 420 - 0-1, 0-5, 0-10, 0-20, 0-30, 0-50, 0-100% CO2 420L - 0-5,000 PPM CO2 420L-LP - 0-500, 1000, 2000, 5000, 10000 PPM (may be available, check with NOVA)
Resolution N/A 0.1% CO2 on % versions, 1 PPM CO2 on PPM versions N/A 1 or 10ppm on most ppm ranges; 0.1% on most % ranges N/A 1 or 10ppm on most ppm ranges; 0.1% on most % ranges
Accuracy & Repeatability N/A ±1-3% of full scale, depending on measurement range and application
Drift N/A Usually 2% of full scale per month or less, depending on range and application
Response Time (T-90) N/A Usually 20-30 seconds to 90% step change, depending on range and application
Ambient Temperature Range N/A 40 to 104°F (4 to 40°C). Optional: up to 130°F (55°C) with cabinet cooler N/A 40 to 104°F (4 to 40°C) N/A 40 to 104°F (4 to 40°C). Optional: up to 130°F (55°C) with cabinet cooler
Linearity N/A Usually ±1.5% of full scale, depending on range and application N/A Usually ±1.5% of full scale, depending on gas measured N/A Usually ±1.5% of full scale, depending on gas measured
Size & Weight N/A EX-PROOF: 61H x 33W x 31H cm (24"H x 13"W x 12"D) N/A EX-PROOF: 61H x 33W x 31H cm (24"H x 13"W x 12"D) RACK MOUNT: 22H x 48W x 47D cm (8.7"H x 19"W x 16"D) N/A NEMA 4: 61H x 51W x 31D cm (24"H x 20"W x 12"D) (not including purge panel & vent)
Power N/A 115 VAC, 60 Hz 220 VAC, 50 Hz
Output Options N/A 4-20 mA into 500 ohms non-isolated standard Isolated 4-20 mA, RS232, RS485, USB serial outputs
Alarms N/A High and/or Low alarm contacts available, relay contacts SPDT 5A @ 220 VAC rating Low flow alarm
Options N/A Cabinet coolers can be fitted to most models Cabinet purge system available for use in hazardous areas Cold weather package for operation to -5°F (-20°C) Full automatic calibration with touch screen LCD display Hi/Low gas, Low Flow, and diagnostic alarms available High temperature filters and probes Isolated analog, RS232, RS485, MODBUS, and Ethernet outputs available One-step 'cal-now' button with touch screen LCD display Sample conditioning systems available for removal of moisture, acidic gas, and dust Sensor mounted in temperature controlled heated box to improve accuracy N/A Hi/Low gas, Low Flow, alarms available High temperature filters and probes N/A Cabinet coolers can be fitted to most models Cabinet purge system available for use in hazardous areas Hi/Low gas, Low Flow, alarms available High temperature filters and probes Light duty sample conditioning systems available for removal of moisture and dust
Analyzer Type N/A CO2 Gas Analyzer
Hazardous Area Rating Options N/A Class 1, Div 1, Grp A-D Hazardous Area Rating N/A Control Cabinet - General Purpose, Non-Hazardous Detector Cabinet - NEMA7 Class 1 Division 1 Groups BCD N/A Class 1 Div 2 or Class 1 Div 1 Hazardous Area Ratings available