TRL-online TOC

Total Organic Carbon

Online Monitoring System

Dual Zone High Temperature Combustion Technology is the technology for online TOC analysis.

Optimized configuration options for different applications are available.

Patented dual zone furnace to assure complete combustion of all carbon containing compounds.

Effortless Touchscreen Option.

6-Port Multi-Stream Inlet Option For Investment Economy.

Ease of Maintenance & Low Operational Cost for your analysis.


*Range: 0-10 ppm; Drinking Water

*Range: 0-500 ppm / 0-1000 ppm; Surface Water, Ground Water, rivers

*Range: 0-5000 ppm; Utility water; cooling water, condensate return, reverse osmosis water, carbon bed absorber, boiler feed water,  demineralized water

*Range: 0-50000 ppm / 0-75000 ppm; Industrial wastewater, influent and effluent wastewater, de-icing water, highly contaminated wastewater, oil-in-water

Optional Specifications

6 Port Multi Sampling Apparatus 

IC Parameter

TN Parameter

TOC Quality Air Generator

Analog output-mA

Analog output-VDC

Communication options


Measured principle
TC or TOC, by operator’s selection;
IC and TN are optional additions
carbon dioxide detection by NDIR
Dual Zone High Temperature
Z Zone High Temperature Combustion
Between 600-1000°C
D Zone High Temperature Combustion
Between 600-1000°C-
Measuring method
High Temperature Catalytic Oxidation (HTCO); TOC is analyzed by direct NPOC measurement, IC removal is achieved by air sparging and acidification 
analysis Time
Typically 6-15 minutes (drinking water, x number of wash cylce)
Sensor for Carbon Analysis
Nondispersive Infrared Detector (NDIR)
Analysis Cycle Time
Depends on number of wash cycles, however it is arranged by the operator; nominally between 5 to 20 minutes
Sample Inlet Pressure
1-2 bar A
Sample Temperature
5°C to 50°C
Air Flow Rate
200-500 mL/min
Accurate and Precise Dispensing
Achieved through 3 peristaltic pumps plus a sample loop consisting of solenoid valves.
Waste Liquid Disposal
Achieved automatically by peristaltic pump
Ambient Temperature
Between 5°C and 40°C is good for proper operation
Communication and Available Digital Outputs
Via RS232; date and time, up to 3 measured parameters and error messages; profibus, Modbus and ethernet options are available as adders
Analog output options
0-1 VDC,0-5 VDC, 0-10 VDC and 0-20 mA and 4-20 mA

NEMA 4 / IP54 compliant and either wall mount or floor standing use is possible
Analog Output Options

0-1 VDC,0-5 VDC, 0-10 VDC and 0-20 mA and 4-20 mA
2 Dry Contact Alarm Limits
Set by the user
Data Storage and Data Presentation
Up to 9999 recent results should be saved and stored, on the basis of “first in first out” method; graphical trend presentation is available on the display and initiated by the operator
Software Functions
System diagnostics, data storage, optional single or multipoint calibration file storage; single validation cycle for future upgrades;

Design of an analytical cycles as to include as many DI wash and sample wash runs as required; maintenance cycle management and warning of replacement parts based on run cycles;

Continuous control of sample, acid and DI water flows, liquid leakage, furnace, temperature, air flow rate; air leakage;

Auto-stand-by in case of: emptied acid bottle, sample-acid-DI water leakage, air leakage, furnace temperature failure;

Graphical presentation of trend between settable date and time
Power Requirement
230 VAC 50/60 Hz; 1700VA
Gas Requirement
Clean air at ... pressure consumption ... mL/min
Carrier Gas Options
Hydrocarbon and CO2 Free Air at 2-6 bar
In Accordance with Official Standards
5310B, EPA 415.1, ISO 8245:1999, DIN1484:1997
The Enclosure
NEMA 4 / IP54 compliant and either wall mount or floor standing use is possible
Dimensions (HWD)
90 kg