Total Organic Carbon Sensor 4000TOCe

Total Organic Carbon Sensor 4000TOCe

On-Line TOC Sensor with Flow Control

The 4000TOCe on-line TOC sensor with flow control provides continuous, fast and reliable monitoring of TOC levels from post RO waters to point-of-use.

Continuous Flow to Detect Rapid Changes
Allows quick reaction to Total Organic Carbon excursions and better process control due to continous, on-line monitoring.

Low Maintenance and Service Requirements
The 4000TOCe TOC sensor with flow control has no moving parts in order to minimize routine maintenance and reduce service needs.

Versatile for Pure Water Applications
The wide dynamic operating range meets the needs of pure and ultrapure water applications, and the total organic carbon Sensor 4000TOCe meets USP, Ch.P and JP requirements.

Total Organic Carbon Sensor 4000TOCe
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Specifications - Total Organic Carbon Sensor 4000TOCe
Measurement range 0.05 - 1000 ppbC (µgC/L)
Repeatability ± 0.05 ppbC 5 ppb
Resolution 0.001 ppbC (µgC/L)
Analysis Time Continuous
Initial Response Time < 60 seconds
Limit of Detection 0.025 ppbC
Cond. accuracy ± 2%,0.02-20 μS/cm
Cell Constant Accuracy ± 2%
Temperature sensor Pt1000 RTD, Class A
Temperature accuracy 0.25°C
Case Dimensions 11” [280mm] W x 7.4” [188mm] H x 5.25” [133mm] D
Enclosure Material Polycarbonate plastic
Enclosure rating NEMA 4X, IP 65

Features and Benefits

Real‑Time Continuous TOC Monitoring
The 4000TOCe TOC analyzer with flow control uses proven ultraviolet oxidation with differential conductivity to effectively and continuously monitor Total Organic Carbon concentrations. It is designed to maximize sample oxidation and minimize response time.
Easy Installation and Operation
The plug and measure sensor design of the 4000TOCe makes it easy to install and reduces initial set-up time. Operations are simplified and operating costs reduced because this TOC analyzer requires no gases or reagents to handle, store or replace.
Easy Installation and Operation
Supports Regulatory Programs
The 4000TOCe sensor meets ASTM D5173 standard test method for on-line TOC monitoring. It is a total organic carbon analyzer that meets global Pharmacopeia requirements needed for implementation in the Pharmaceutical industry, supporting audit readiness.
Supports Regulatory Programs
For a Range of Water Projects
For system integrators developing water projects, the 4000TOCe is optimal for pharmaceutical-grade water, recycle and reclaim applications and makeup water treatment in the power industry. It is backed with METTLER TOLEDO's global support organization.
For a Range of Water Projects



Data Sheet for 4000TOCe Sensor
Continuous on-line measurement total organic carbon monitoring, compact wall-mount sensor design/NEMA 4X enclosure for skid mounting.
Data Sheet: 4000TOCe Services
Proactive services of your 4000TOCe sensor ensures optimal performance of critical components, such as the UV lamp.

User Manuals

Operation Manual for 4000TOCe Sensor
The 4000TOCe sensor is a Total Organic Carbon sensor designed to measure the concentration of organic substances in pure and ultra pure water applicat...
Quick Start Guide for 4000TOCe Sensor
The 4000TOCe is designed to measure Total Organic Carbon (TOC) concentration in high purity water applications. If this equipment is used in a manner...
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Total Organic Carbon Sensor 4000TOCe



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Total Organic Carbon Sensor 4000TOCe
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