The Mettler Toledo M800 Process 2-CH PN is a four-wire, two-channel, multi-parameter transmitter for monitoring compatible in-line sensors in fluid and gas process applications.
It supports measurements including pH/ORP, conductivity, dissolved oxygen, dissolved carbon dioxide, and turbidity.
PROFINET communication enables measurement and sensor diagnostic information to be integrated into compatible process control systems.
A full-color touchscreen provides local access to measurement values, configuration settings, and transmitter functions.

Key Characteristics
- Two-channel, multi-parameter process transmitter for connecting up to two compatible in-line sensors
- PROFINET interface for integration with compatible plant automation and process control systems
- Supports pH/ORP, conductivity, dissolved oxygen, dissolved carbon dioxide, and turbidity measurements
- Full-color touchscreen with menu-driven operation
- Four-wire transmitter configuration
Ideal Applications
- Process installations requiring two compatible analytical measurement points within one transmitter
- Facilities integrating process measurement and sensor diagnostic data into PROFINET-based automation systems
- Liquid and gas process streams requiring pH/ORP, conductivity, dissolved oxygen, dissolved carbon dioxide, or turbidity measurement
- Applications requiring local touchscreen operation combined with networked access to process data
- Multi-parameter monitoring within chemical, food and beverage, industrial water, and wastewater operations
Parameters
- Conductivity
- Dissolved CO2
- Dissolved Oxygen
- Gas-Phase Oxygen
- ORP
- Optical DO
- Turbidity
- pH
Communication
- ProfiNet
Product Family Includes
- M800 Process 1-CH PN (4-Wire)
- M800 Process 2-CH PN (4-Wire)
Industries Served
- Chemical Processes
- Food/Beverage Production
- Other Industrial Processes
- Other Water Processes
- Wastewater







