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 many binary gas mixtures from the Nova FLEXI-NOVA Series Platform, designed for light-duty continuous gas measurements.
Continuous Process Gas Analyzers
Unit of Measure
Items Continuous Process Gas Analyzers
Model 425N4
Model 425N4 Binary Gas by Thermal Conductivity Analyzer, Wall Mounted NEMA4 (IP65) Enclosure Rating 		N4N7 cabinets
Model 425N4N7
Model 425N4N7 Binary Gas by Thermal Conductivity Analyzer, ex-proof sensor housing with NEMA4 wall-mount control cabinet (two separate enclosures) 		N7MC generic
Model 425N7MC
Model 425N7MC Binary Gas by Thermal Conductivity Analyzer, Wall Mounted NEMA7 UL/CSA Explosion-proof with Non-intrusive Magnetic Calibration, Class 1 Div 1 Group BCD 		RMN7 21
Model 425RMN7
Model 425RMN7 Binary Gas by Thermal Conductivity 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 Binary Gas by Thermal Conductivity Analyzer, with cabinet purge systems for hazardous areas
Method of Detection N/A Temperature-controlled TC cell N/A Temperature-controlled TC cell. N/A Temperature-controlled TC cell N/A Temperature-controlled TC cell N/A Temperature-controlled TC cell
Ranges Available N/A 0-2.0% to 0-100.0% and truncated ranges such as 85.0-100.0% Consult Nova regarding feasibility of measuring your specific gas mixture.
Accuracy & Repeatability N/A Usually ±1% of full scale, depending on gas mixture & application N/A ±1% of full scale N/A Usually ±1% of full scale, depending on gas mixture & application N/A Usually ±1% of full scale N/A Usually ±1% of full scale
Drift N/A Usually less than 1% of full scale per month, depending on gas mixture & application N/A Less than 1% of full scale per month N/A Usually less than 1% of full scale per month, depending on gas mixture & application N/A Usually less than 1% of full scale per month N/A Usually less than 1% of full scale per month
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 32 to 122°F (0 to 50°C), Lower temperatures (-5°F, -20°C) with Cold Weather Package N/A 40 to 104°F (4 to 40°C) 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% of full scale, depending on gas mixture & application N/A ±1% of full scale N/A Usually ±1% of full scale, depending on gas mixture & application N/A Usually ±1% of full scale N/A Usually ±1% of full scale
Size & Weight N/A NEMA 4: 51H x 41W x 26D cm (20"H x 16"W x 10"D) RACK MOUNT: 22H x 48W x 47D cm (8.7"H x 19"W x 16"D) N/A Dimensions will vary depending on enclosure style and options required 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: 51H x 41W x 26D cm (20"H x 16"W x 10"D) (not including purge panel & vent)
Output Options N/A 4-20 mA into 500 ohms non-isolated standard Isolated 4-20 mA, RS232, RS485, USB serial outputs N/A 4-20 mA into 500 ohms non-isolated standard Isolated 4-20 mA, RS232, RS485, MODBUS, Ethernet outputs N/A 4-20 mA into 500 ohms non-isolated standard Isolated 4-20 mA, RS232, RS485 serial outputs N/A 4-20 mA into 500 ohms non-isolated standard Isolated 4-20 mA, RS232, RS485, USB serial outputs N/A 4-20 mA into 500 ohms non-isolated standard Isolated 4-20 mA, RS232, RS485, USB serial output
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 Hi/Low gas, Low Flow alarms available Light duty sample conditioning systems available for removal of moisture and dust 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 Isolated analog, RS232, RS485, MODBUS, and Ethernet outputs available One-step 'cal-now' button calibration with touch screen LCD display Sample conditioning systems available for removal of moisture, acidic gas, and dust N/A Hi/Low gas, Low Flow alarms available Isolated analog, RS232, RS485 outputs available N/A Hi/Low gas, Low Flow alarms available Isolated analog, RS232, RS485, USB serial outputs available 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 Isolated 4-20 mA, RS232, RS485, USB serial output Sample conditioning systems available for removal of moisture and/or dust
Unique Applications N/A
All Nova analyzers are built using proven technologies and techniques. If this product does not suit your application, please contact Nova at 1-800-295-3771. In many cases, we are able to build an analyzer specific to your needs.
 		N/A
    All Nova analyzers are built using proven technologies and techniques. If this product does not suit your application, please contact Nova. In many cases, we are able to build an analyzer specific to your needs.
 		N/A
    All Nova analyzers are built using proven technologies and techniques. If this product does not suit your application, please contact Nova. In many cases, we are able to build an analyzer specific to your needs.
 		N/A
    All Nova analyzers are built using proven technologies and techniques. If this product does not suit your application, please contact Nova. In many cases, we are able to build an analyzer specific to your needs.
 		N/A
    All Nova analyzers are built using proven technologies and techniques. If this product does not suit your application, please contact Nova. In many cases, we are able to build an analyzer specific to your needs.
Analyzer Type N/A Binary Gas Analyzer
Hazardous Area Rating Options N/A General Purpose, Non-Hazardous N/A General Purpose, Non-Hazardous 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