Veolia Water Technologies & Solutions

Sievers M9 Online TOC Analyzer

Continuous monitoring to help drive decisions and actions

Elevate your water analysis with the Sievers M9 Online Analyzer - the ultimate solution for real-time monitoring of TOC and conductivity in pharmaceutical waters, industrial processes, and environmental monitoring. With validated and quantitative technology, you can master both ultrapure water testing and complex cleaning validation with unprecedented accuracy and continuous control, enabling you to achieve better process understanding, efficiency gains, and risk management. Our groundbreaking Integrated Online Sampling (iOS) System revolutionizes continuous monitoring, while our innovative Sievers membrane technology delivers superior accuracy compared to conventional instruments which are prone to false readings. When precision matters most, trust the M9 Online.

Download Brochure

Explore how to increase productivity with continuous monitoring

Designed for continuous monitoring of waters from ultrapure to potable, the M9 Online provides unparalleled accuracy, precision, and speed across a dynamic operating range of 0.03 ppb to 50 ppm. It supports compliance with pharmacopeia water testing or can be used for cleaning validation and other online applications. In Turbo mode, the M9 provides analysis every four-seconds, providing up-to-the-second results for better control. Sievers M9 Analyzers meet or exceed the most common pharmaceutical regulatory requirements for TOC analysis and data integrity.

Features & Benefits

M9 Online Features & Benefits

  • Two-minute sample analysis time
  • Continuous monitoring with the ability to easily introduce discrete grab samples and standards
  • Wall-mounted with an IP-45 rated enclosure to withstand demanding environments
  • Automated operations, such as calibration and data analysis 
  • Autoreagent feature automatically establishes optimal flow rates for each sample
  • Minimal preventive maintenance (typically just a few hours per year)
  • 12-month calibration stability
  • Optional Turbo mode for four-second analysis

Specifications

M9 Online Specifications

Operating Specifications*
Range 0.03 ppb to 50 ppm
Precision < 1% RSD  
Accuracy ± 2% or ± 0.5 ppb, whichever is greater
Display Readout 3 significant digits
Sample Type Online continuous or discrete grab sample
Calibration Typically stable for 12 months
Analysis Time 2 minutes (4 seconds with the optional Turbo mode)
Sample Temperature** 5–95 °C (41–203 °F)
Ambient Temperature 5–40 °C (41–104 °F)
Sample Pressure 100 psig
On-Line Flow Rate >50 mL/min (for on-line mode)
Instrument Sample 
Flow Rate		 0.5 mL/min

Analyzer Specifications
Outputs 4-20 mA outputs (3); alarm outputs (4); binary input (1); USB device port (1); USB host ports (2); Modbus TCP/IP
Display 7" WVGA 800X480 pixel, Color LCD with touch-screen
Power 100 - 240 V~, 50 -60 Hz, 100 VA
Fuses Replace with same type and size fuse: T 1.6 A 250 VAC Fuse (Slow Blow), size 5 X 20 mm appliance inlet
Dimensions H: 54.9 cm (21.6 in); W: 45.0 cm (17.7 in); D: 26.5 cm (10.4 in)
Weight 15.8 kg (34.9 lb)
Enclosure Rating IP-45
Safety Certifications ETL, CE (see Declaration of Conformity) 

Environment
Maximum Relative Humidity 0 - 95%, non-condensing
Maximum Altitude 3,000 m (9.800 ft)
Pollution Degree 2

The UV lamp inside this product contains mercury and must be recycled or disposed of in accordance with local, state, and federal laws.
* Stated analytical performance is achievable under controlled laboratory conditions that minimize operator and standards errors.
**Sample temperature above 60 °C requires optional PVDF iOS

Specs (Turbo Mode)

M9 Online Turbo Specifications

Operating Specifications*
Range 0.20 ppb to 10 ppm
Precision 2% RSD
Accuracy ± 10% or ±10 ppb whichever is greater
Display Readout 3 significant digits
Sample Type

Online, Grab
Calibration Typically stable for 12 months
Analysis Time 4 seconds
Response Time 3.25 minutes
Sample Temperature 5–95 °C (41–203 °F)
Ambient Temperature 10–40 °C (50–104 °F)
Sample Pressure 100 psi
Sample Flow Rate 30–300 mL/min (for on-line mode)
Instrument Sample 
Flow Rate		 1.1 mL/min

Analyzer Specifications
Outputs 4-20 mA outputs (3); alarm outputs (4); binary input (1); USB device port (1), USB host ports (2); Ethernet (1)
Display 7” WVGA 800x480 pixel, Color LCD w/touch-screen
Power Universal Power Supply: 100–240 ± 10% VAC, 50 W, 50/60 Hz
Dimensions H: 54.9 cm (21.6 in); W: 45.0 cm (17.7 in); D: 26.5 cm (10.4 in)
Weight 15.8 kg (34.9 lb)
Safety Certifications ETL, CE
Enclosure Rating IP-45

Consumables
UV Lamp 6 months
Acid Reagent As needed, typically 6 months
Oxidizer Reagent As needed, typically 3-month stability

*Stated analytical performance is achievable under controlled laboratory conditions that minimize operator and standards errors.

Accessories

M9 Online Options & Accessories

  • Inorganic Carbon Remover (ICR): Improves TOC accuracy for samples with high inorganic carbon levels

  • Turbo Mode: Provides four-second analysis time 

  • DataGuard Software: Full compliance support for 21 CFR Part 11 and Annex 11

  • 2025 © Copyright Veolia

*Trademark of Veolia; may be registered in one or more countries.