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For continuous analysis of Carbon Monoxide (CO) in process gas streams using an infrared detector. Percent and PPM levels available as Models 481 and 481L respectively.
Continuous Process Gas Analyzers
Unit of Measure
Items N7MC generic
Model 481N7MC
Model 481N7MC, Carbon Monoxide Analyzer (infrared), Wall Mounted NEMA7 UL/CSA Explosion-proof with Non-intrusive Magnetic Calibration, Class 1 Div 1 Group BCD
RMN7 21
Model 481RMN7
Model 481RMN7, Carbon Monoxide Analyzer (infrared), ex-proof sensor housing with rack mount control cabinet (two separate enclosures)
Purged cabinets
Model 481 D1 or D2
Model 481 D1 or D2, Carbon Monoxide Analyzer (infrared) - 481 Series; NEMA 4 cabinet with Hazardous Area Purge System
Method of Detection N/A NDIR infrared detector for CO N/A NDIR infrared detector for CO N/A Single cell NDIR with no moving parts
Ranges Available N/A High ranges - any from 0-40 to 0-100% CO Standard ranges - 0-1.00, 2.00, 5.00, 10, 30% CO
Resolution N/A 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)
Linearity N/A Usually ±1.5% of full scale, depending on range and application
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 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 Hi/Low gas, Low Flow alarms available Isolated 4-20 mA, RS232, RS485 serial outputs N/A Hi/Low gas, Low Flow alarms available Isolated 4-20 mA, RS232, RS485 serial outputs 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 Isolated 4-20 mA, RS232, RS485 serial outputs Light duty sample conditioning systems available for removal of moisture and/or dust
Analyzer Type N/A CO 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