The Mettler Toledo Thornton 450TOC Portable TOC Analyzer is a transportable total organic carbon analyzer designed for TOC measurement across multiple water system sampling points.
Its portable configuration supports at-line testing where periodic sampling, point-of-use checks, and water system diagnostics are needed.
The Thornton 450TOC Portable TOC Analyzer is suited for facilities that need a practical way to evaluate TOC conditions without relying only on fixed measurement locations.

With continuous measurement capability and data capture options, it supports routine checks, troubleshooting, and verification activities in high-purity water applications.
Key Characteristics
- Portable TOC analyzer for transportable use across water system sampling points
- Continuous TOC measurement capability for multi-point water system evaluation
- USB data collection for exporting results and supporting record keeping
- Designed for point-of-use monitoring, water system diagnostics, and maintenance verification
- Supports TOC and conductivity-related water system checks from a portable platform
Ideal Applications
- Multi-point TOC measurement in high-purity water systems
- Point-of-use water system monitoring
- Water system diagnostics and troubleshooting
- Maintenance verification after service or component work
- Periodic sampling programs where a portable analyzer is preferred
Product Family Includes
- Thornton 450TOC Portable TOC Analyzer
- Portable 450TOC analyzer configuration for transportable TOC measurement
- Compatible calibration and system suitability test accessories
- Storage, transport, and protective accessory options
- Replacement and consumable items for ongoing analyzer support
Industries Served
- Pharmaceutical Manufacturing
- Biopharmaceutical/Biotechnology Production
- Semiconductor/Microelectronics Manufacturing
- Power Generation
- Cogeneration/High-Purity Utility Water Systems
- Industrial Facilities using Purified, High-Purity, or Ultrapure Water Systems




