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| Mettler toledo M420 Transmitter, for pH, O2, conductivity |
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Details
Mettler toledo M420 Transmitter, for pH, O2, conductivity M20 series
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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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| M300 pH (Single-channel Version, IP65 Protection Rating) | |
| M400 (Single-channel Version, ISM ability) | |
| M420 (2-wire Transmitter, for pH, O2, conductivity) | |
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| M800 Multi-parameter / Multi-channel Transmitter | |
| pH 1120 (Portable pH Meter - IP66 Protection Rating, Ex-proof) | |
| pH 1140 (Portable pH Meter - Bidirectional RS232 Communication, Ex-proof) | |
| pH 2100-PA ("Advanced Line" - Profibus® PA Communication, Ex-proof) | |
| pH 2100e ("Advanced Line" - for Wall, Pipe or Panel Mounting) | |
| pH 2100e FF ("Advanced Line" - Foundation Fieldbus Communication, Ex-proof) | |
| pH 2100e/2(X)H ("Advanced Line" - HART® Communication, Ex-proof |