| Items |
 Model 470N4 Model 470N4, Methane Analyzer, Wall Mounted NEMA4 (IP65) Enclosure Rating |
 Model 470N4N7 Model 470N4N7, Methane Analyzer, ex-proof sensor housing with NEMA4 wall-mount control cabinet (two separate enclosures) |
 Model 470N7MC Model 470N7MC, Methane Analyzer, Wall Mounted NEMA7 UL/CSA Explosion-proof with Non-intrusive Magnetic Calibration, Class 1 Div 1 Group BCD |
 Model 470RMN7 Model 470RMN7, Methane Analyzer, ex-proof sensor housing with rack mount control cabinet (two separate enclosures) |
 Model 420 D1 or D2 Model 420 D1 or D2, Methane Analyzer, with cabinet purge systems for hazardous areas |
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| Method of Detection | Single cell NDIR with no moving parts | |||||||||
| Ranges Available | 0-1.00, 2.00, 5.00, 10.0, 30.0, 100.0% HC's as CH4 | 0-1.00, 2.00, 5.00, 10.0, 30.0, 100.0% HC's as CH4 | 470 - 0-1, 0-5, 0-10, 0-20, 0-30, 0-50, 0-100% HCs as CH4 | 0-1, 0-5, 0-10, 0-20, 0-30, 0-50, 0-100% HCs as CH4 | 470 - 0-1, 0-5, 0-10, 0-20, 0-30, 0-50, 0-100% HCs as CH4 | |||||
| Resolution | 0.1% CH4 on % versions | |||||||||
| Accuracy & Repeatability | 1% of full scale | |||||||||
| Drift | Less than 2% of full scale per month | |||||||||
| Response Time (T-90) | Less than 15 seconds | |||||||||
| Ambient Temperature Range | 40 to 104°F (4 to 40°C). Optional: up to 130°F (55°C) with cabinet cooler | 40 to 104°F (4 to 40°C) | 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 | ±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) | EX-PROOF: 61H x 33W x 31H cm (24"H x 13"W x 12"D) NEMA 4: 51H x 41W x 26D cm (20"H x 16"W x 10"D) | 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: 61H x 51W x 31D cm (24"H x 20"W x 12"D) (not including purge panel & vent) | |||||
| Power | 115 VAC, 60 Hz 220 VAC, 50 Hz | |||||||||
| Output Options | 4-20mA into 500 ohms non-isolated standard Isolated 4-20mA, RS232, RS485, serial outputs | 4-20 mA into 500 ohms non-isolated standard Isolated 4-20 mA, RS232, RS485, serial outputs | 4-20mA into 500 ohms non-isolated standard Isolated 4-20mA, RS232, RS485, serial outputs | 4-20mA into 500 ohms non-isolated standard Isolated 4-20mA, RS232, RS485 serial outputs | 4-20mA into 500 ohms non-isolated standard Isolated 4-20mA, RS232, RS485, serial outputs | |||||
| 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 Isolated 4-20mA, RS232, RS485, serial outputs | Hi/Low gas, Low Flow alarms available Isolated 4-20 mA, RS232, RS485, serial outputs | Hi/Low gas, Low Flow alarms available Isolated 4-20 mA, RS232, RS485, serial outputs | Hi/Low gas, Low Flow alarms available Isolated 4-20mA, RS232, RS485 serial outputs | 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 Isolated 4-20mA, RS232, RS485, serial outputs Light duty sample conditioning systems available for removal of moisture and/or dust | |||||
| Analyzer Type | Methane Analyzer | Methane Analyzer | Methane Analyzer | Methane Analyzer (HC's as CH4) | Methane Analyzer | |||||
| Hazardous Area Rating Options | General Purpose, Non-Hazardous | Control Cabinet - General Purpose, Non-Hazardous Detector Cabinet - NEMA7 Class 1 Division 1 Groups BCD | 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 | |||||
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