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Mettler toledo M420 Transmitter, for pH, O2, conductivity
  
Details

Mettler toledo M420 Transmitter, for pH, O2, conductivity M20 series
Specifications - M420 (2-wire Transmitter, for pH, O2, conductivity)
ISM Plug and Measure™, DLI, ACT
Protection IP 67
Approvals CE, ATEX / IECEx / FM/CSA, Zone 1 / Cl I Div 1 (pending)
Temperature range - 20 °C to 65 °C (- 4 °F to 149 °F)
Digital Input/Output optional: HOLD and CONTROL
User Interface LC display, 7 segment with icons, backlit (white)
Current output 2nd passive current output optional
Service Interface IrDA
Communication HART


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