Mettler Toledo M400 Type 1 ISM Transmitter (4-Wire)

The Mettler Toledo M400 Type 1 ISM (4-Wire) is a single-channel process transmitter for conductivity, ORP, and pH measurement using compatible Intelligent Sensor Management (ISM) Sensors.

Its multiparameter design allows one transmitter platform to support several common liquid-analysis requirements.

The transmitter combines local measurement display and control functions with analog and digital communication options for integration into industrial control systems.

Plug and Measure functionality supports the transfer of stored sensor information when an ISM Sensor is connected.

Process Controls Corporation - Mettler Toledo M400 Type 1 ISM Transmitter (4-Wire)

Key Characteristics

Four-wire, single-channel transmitter for conductivity, ORP, and pH measurement with ISM Sensors
Four 0/4–20 mA analog outputs and HART communication for process-control system integration
Plug and Measure functionality for transferring stored ISM Sensor information to the transmitter
Four relay contacts and one PID controller for configurable process monitoring and control functions
4.0-inch black-and-white TFT touchscreen with four soft keys and a USB interface
Die-cast aluminum enclosure with an IP66 protection rating

Ideal Applications

In-line pH measurement in industrial liquid processes
ORP measurement for supported process and water-treatment applications
Conductivity monitoring in semiconductor water systems
Wastewater measurement and treatment processes
Measurement points requiring ISM Sensor connectivity, analog outputs, HART communication, relays, or PID control