The Mettler Toledo M400 Type 1 Inductive Conductivity (4-Wire) is a single-channel process transmitter designed specifically for use with analog inductive conductivity sensors.
It provides conductivity and temperature measurement for demanding liquid-process applications.
The transmitter provides four configurable 0/4–20 mA outputs for integration with process monitoring and control systems.
Calibration functions support the setup and ongoing operation of connected inductive conductivity sensors.

Key Characteristics
- Single-channel, 4-wire process transmitter
- Designed for analog inductive conductivity sensors
- Measures conductivity and process temperature
- Four configurable 0/4–20 mA analog outputs
- Supports inductive sensor calibration and configuration functions
Ideal Applications
- Conductivity measurement in aggressive chemical solutions
- Monitoring dirty water and challenging process liquids
- Chemical concentration measurement using conductivity
- Industrial processes requiring analog inductive conductivity sensing
Parameters
- Inductive Conductivity
- ORP
- pH
Communication
- None
Product Family Includes
- M400 Type 1 ISM (4-Wire)
- M400 Type 2 ISM (4-Wire)
- M400 Type 1 Inductive Conductivity (4-Wire)
Industries Served
- Chemical Processes
- Other Industrial Processes
- Other Water Processes
- Pharmaceutical/Life Science Production
- Wastewater







