The Mettler Toledo M300 Process 1-CH ¼ DIN (4-Wire) is a single-channel analytical transmitter designed for standard process applications.
Its compact ¼ DIN configuration provides a dedicated interface for one process measurement point.
A touchscreen interface supports straightforward access to measurement and operating information.
The transmitter can be integrated with compatible pH, ORP, dissolved oxygen, and conductivity sensors, allowing it to address several common liquid-process measurement parameters.

Key Characteristics
- Single channel, ¼ DIN transmitter configuration
- Four-wire design for standard process applications
- Touchscreen interface for measurement display and operation
- Compatible with pH, ORP, dissolved oxygen, and conductivity sensors
Ideal Applications
- Single-point pH or ORP measurement
- Dissolved oxygen measurement in liquid processes
- Conductivity measurement for standard process applications
- Process installations requiring a compact analytical transmitter
Parameters
- Conductivity
- Dissolved Oxygen
- Dissolved Ozone
- ORP
- pH
Communication
- None
Product Family Includes
- M300 Process 1-CH ¼ DIN (4-Wire)
- M300 Process 2-CH ¼ DIN (4-Wire)
- M300 Process 2-CH ½ DIN (4-Wire)
Industries Served
- Chemical Processes
- Food/Beverage Production
- Other Industrial Processes
- Other Water Processes
- Wastewater







