Comparison : |
Item # Model 412N4, Model 412N4 Paramagnetic Oxygen Analyzer, Wall Mounted NEMA4 (IP65) Enclosure Rating Item # Model 412N4N7, Model 412N4N7 Paramagnetic Oxygen Analyzer, ex-proof sensor housing with NEMA4 wall-mount control cabinet (two separate enclosures) Item # Model 412N7MC, Model 412N7MC Paramagnetic Oxygen Analyzer, Wall Mounted NEMA7 UL/CSA Explosion-proof with Non-intrusive Magnetic Calibration, Class 1 Div 1 Group BCD Item # Model 412RMN7, Model 412RMN7 Paramagnetic Oxygen Analyzer, ex-proof sensor housing with rack mount control cabinet (two separate enclosures) Item # Model 410 D1 or D2, Model 410 D1 or D2, Oxygen Analyzer with cabinet purge systems for hazardous areas
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