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Autosampler with M9 and computer resized

M-Series Online TOC Analysers

The M-Series Online TOC analysers are available in two models:

  • The M9 - which is the workhorse of the TOC analyser models. Suitable for all manner of samples ranging from 0.03ppb TOC up to 50ppm TOC. Applications include pharmaceutical waters (UPW, PW), cleaning validation (CV and CIP) samples, drinking water, water treatment plants and general applications.

  • The M5310C - which is specifically designed for the municipal water industry with specific built-in protocols for Municipal applications.

The M5310C  Online TOC Analyser


For both raw and finished water monitoring, the M5310 C promises you peace of mind when measuring organics in your plant or distribution systems. Engineered to support Disinfectants and Disinfection Byproducts Rule (DBPR) compliance.

The M9

Online TOC Analyser


Tools that boost productivity are essential to managing your chaotic workday. The new Sievers M9 Total Organic Carbon (TOC) Analyzers offer you time-tested dependability with faster-than-ever analysis to help you reach the peak of productivity.

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An unequalled level of efficiency and flexibility

  • Providing readings in only two minutes. 

  • Automated calibration, verification, and data analysis enable unattended operation.

  • The Autoreagent feature automatically establishes optimal flow rates for each sample.

  • Saved methods are now available at the instrument. 

  • Data Outputs include: Modbus (TCP/IP), 3 x 4-20mA, 4 x Alarms, USB

Easy to use and cost-effective

  • Streamlined protocols are faster to set up and save.

  • Graphically enhanced “fast-links” for informative error and alert messages allow independent troubleshooting and restoration of instrument memory.

  • The M-Series Analyzer’s database structure allows more useful ways to arrange, search and query data.

  • There is no need for external reagents or gas supplies.

  • The M-Series requires only a few hours of preventive maintenance per year, and calibration is stable for 12 months.  

  • It's large, color, touch-screen display provides intuitive menus.

  • It's space-saving profile (19.2-cm/7.6-in wide) efficiently uses valuable bench space


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