Model M400 - 2-Wire Transmitter
From Process Analytics - Transmitters
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, m...
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.
Specifications - M400 2-wire
ISM: Plug and Measure, ACT, TTM, DLI
Approvals: NEPSI Ex, ATEX / IECEx Zone1, cFMus Class 1 Div 1 (pending)
Digital Input/Output: Input: 2, galvanically isolated Output: 2 × open collector
Current Output: 2 × 4 to 20 mA (loop powered), galvanically isolated
Communication: HART®, FOUNDATION fieldbus™, PROFIBUS® PA
Temperature range: – 20 to 60 °C (– 4 to 140 °F)
Measurement parameter: pH / ORP, pH / pNa, DO, Cond 2E / 4E, GPO
Housing material: Die cast aluminum
Display: Backlit LCD, 4 lines
Parameters: pH/ORP, DO, O2 gas, conductivity
Hazardous Area Classification: M400/2H: NEPSI Zone 2, FM CI1 Div2 (in progress); M400(G)/2XH: ATEX Zone 1, NEPSI Zone 1, FM CI1 Div1 (in progress)
Sensor Type: Analog or ISM
Material Number(s): 52121348
Features and Benefits:
- Outstanding reliability and process safety
- Predictive maintenance
- Easy handling of measuring loops
- Versatility
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