| Items |
 /Asset/flexinovaN42.jpg Model 425N4 Model 425N4 Binary Gas by Thermal Conductivity Analyzer, Wall Mounted NEMA4 (IP65) Enclosure Rating |
 /Asset/N4N7-21.jpg Model 425N4N7 Model 425N4N7 Binary Gas by Thermal Conductivity Analyzer, ex-proof sensor housing with NEMA4 wall-mount control cabinet (two separate enclosures) |
 /Asset/N7MC-generic.jpg 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 |
 /Asset/RMN7-21.jpg Model 425RMN7 Model 425RMN7 Binary Gas by Thermal Conductivity Analyzer, ex-proof sensor housing with rack mount control cabinet (two separate enclosures) |
 /Asset/N4-+-D1-&-D2-purge21.jpg 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 | Temperature-controlled TC cell | Temperature-controlled TC cell. | Temperature-controlled TC cell | Temperature-controlled TC cell | Temperature-controlled TC cell | |||||
| Ranges Available | 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 | Usually ±1% of full scale, depending on gas mixture & application | ±1% of full scale | Usually ±1% of full scale, depending on gas mixture & application | Usually ±1% of full scale | Usually ±1% of full scale | |||||
| Drift | Usually less than 1% of full scale per month, depending on gas mixture & application | Less than 1% of full scale per month | Usually less than 1% of full scale per month, depending on gas mixture & application | Usually less than 1% of full scale per month | Usually less than 1% of full scale per month | |||||
| Ambient Temperature Range | 40 to 104°F (4 to 40°C). Optional: up to 130°F (55°C) with cabinet cooler. | 32 to 122°F (0 to 50°C), Lower temperatures (-5°F, -20°C) with Cold Weather Package | 40 to 104°F (4 to 40°C) | 40 to 104°F (4 to 40°C) | 40 to 104°F (4 to 40°C). Optional: up to 130°F (55°C) with cabinet cooler. | |||||
| Linearity | Usually ±1% of full scale, depending on gas mixture & application | ±1% of full scale | Usually ±1% of full scale, depending on gas mixture & application | Usually ±1% of full scale | Usually ±1% of full scale | |||||
| Size & Weight | 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) | Dimensions will vary depending on enclosure style and options required | EX-PROOF: 61H x 33W x 31H cm (24"H x 13"W x 12"D) | 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) | NEMA 4: 51H x 41W x 26D cm (20"H x 16"W x 10"D) (not including purge panel & vent) | |||||
| Output Options | 4-20 mA into 500 ohms non-isolated standard Isolated 4-20 mA, RS232, RS485, USB serial outputs | 4-20 mA into 500 ohms non-isolated standard Isolated 4-20 mA, RS232, RS485, MODBUS, Ethernet outputs | 4-20 mA into 500 ohms non-isolated standard Isolated 4-20 mA, RS232, RS485 serial outputs | 4-20 mA into 500 ohms non-isolated standard Isolated 4-20 mA, RS232, RS485, USB serial outputs | 4-20 mA into 500 ohms non-isolated standard Isolated 4-20 mA, RS232, RS485, USB serial output | |||||
| Alarms | High and/or Low alarm contacts available, relay contacts SPDT 5A @ 220 VAC rating Low flow alarm | |||||||||
| Options | 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 | 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 | Hi/Low gas, Low Flow alarms available Isolated analog, RS232, RS485 outputs available | Hi/Low gas, Low Flow alarms available Isolated analog, RS232, RS485, USB serial outputs available | 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 |
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.
|
|
|
|
|
|||||
| Analyzer Type | Binary Gas Analyzer | |||||||||
| Hazardous Area Rating Options | General Purpose, Non-Hazardous | General Purpose, Non-Hazardous | Class 1, Div 1, Grp A-D Hazardous Area Rating | Control Cabinet - General Purpose, Non-Hazardous Detector Cabinet - NEMA7 Class 1 Division 1 Groups BCD | Class 1 Div 2 or Class 1 Div 1 Hazardous Area Ratings available | |||||
|
|
||||||||||
