Reliable 2-Wire Transmitter.This M400 2-wire transmitter provides the highest reliability and process safety in hazardous and non-hazardous areas. Advanced ISM functionality enables predictive maintenance to help reduce costs and improve productivity.
Outstanding Reliability and Safety
The M400 2-wire provides outstanding reliability and process safety thanks to advanced ISM functionality and its rugged aluminum die cast housing.
Designed for Versatility
This transmitter accepts pH, ORP, Conductivity, DO, and dissolved CO2 sensors as well as both analog or digital ISM sensors, giving flexibility in use.
Easy System Integration
The HART interface allows easy system integration and offers remote access to the transmitter and sensor diagnostics
Parameter(s) | Dissolved CO2 pH Conductivity Optical DO Dissolved Oxygen ORP |
Sensor Type | ISM Analog |
Current Output(s) Digital Output | 2 × 4 to 20 mA |
Analog Inputs | 1 |
Inputs (2) | 2 |
Communication | HART |
Hazardous Area Approvals | Yes |
Approvals and Certificates | CE compliant FM cFMus Cl.I Div. 2 |
Wired Mode | 2-Wire |
Power Supply | 14 to 30 VDC |
User Interface | Backlit LCD, 4 lines |
Relay Contact(s) | 2 |
PID Controller | 1 |
Channels | 1 |
Enclosure Material | Aluminum Die-Cast |
Protection Rating | IP66 |
USB Interface | None |
Size | ½ DIN |
Languages | English Italian French Russian Portuguese German Spanish Japanese |
Primary Media/Application | Chemical Processes Pharmaceutical/Life Science Production |
Model Family | M400 |
Material Number(s) | 30025514 |