Comparison : |
Item # Model 460N7MC, Model 460N7MC Sulfur Dioxide Analyzer, Wall Mounted NEMA7 UL/CSA Explosion-proof with Non-intrusive Magnetic Calibration, Class 1 Div 1 Group BCD Item # Model 460RMN7, Model 460RMN7 Sulfur Dioxide Analyzer, Wall Mounted NEMA7 UL/CSA Explosion-proof sensor cabinet with 19" rack mount control cabinet (two separate cabinets) Item # Model 420 D1 or D2, Model 420 D1 or D2, Sulfur Dioxide Analyzer, NEMA 4 cabinet with cabinet purge systems for hazardous areas
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