M420 Transmitter Series - نظرة عامة - METTLER TOLEDO

M420 Transmitter Series - منتج متوقف

For hazardous area applications

The M420 transmitter series stands for reliability in loop-powered applications. When your process requires the highest safety level for pH, oxygen and conductivity  measurement, the M420 brings you the best performance and the advantages of the state-of-the-art ISM technology* for efficient maintenance.

Discontinued since: Dec, 2016

حل محله: Transmitter M400 2-wire, Chemical

For Hazardous Area Applications

Intelligent Sensor Management (ISM), global hazardous area approvals and the rugged design of the M400 2-wire transmitter series provide outstanding operating reliability and process safety. These features ensure the M400`s suitability for use across the chemical industries. Easiest handling and on-site or remote access over HART to advanced ISM predictive diagnostics tools leads to reduced operating costs and increased process uptime.

The M400 2-wire transmitter is a single-channel, multi-parameter unit for pH / ORP, oxygen and conductivity measurement. Thanks to the mixed-mode input, which allows the use of analog or ISM sensors, the M400 2-wire offers a unique and smooth transition from analog to digital technology.


الوثائق - M420 Transmitter Series


Application Note: pH Control in Sour Water Stripping
In petroleum refining, so called sour water (process water that contains dissolved hydrogen sulfide – H₂S) is produced in various processes. Due to en...
In-line O2 Measurement for Inertization Control
For safety reasons, some chemical reactions take place in an inert gas environment where the amount of oxygen present is tightly controlled. The METTL...
Ensuring Safety in Reactor and Centrifuge
Critical reaction and extraction stage in an API production process can be ensured safe with inline gas-phase oxygen sensing technology which eliminat...

الملحقات - M420 Transmitter Series

المواصفات- M420 Transmitter Series

المواصفات - M420 Transmitter Series
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
Short description for pH, O2, conductivity
Parameters pH/ORP, DO, O2 gas, conductivity
Communication HART®
Hazardous Area Classification ATEX, IECEx, CSA, FM
Sensor Type Analog or ISM
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