Liquid-phase H2S sensor

Identify and solve H2S challenges in wastewater systems

The SulfiLogger™ H₂S sensor enables wastewater utilities to identify and solve H₂S related challenges based on facts rather than assumptions through continuous, liquid-phase measurements.

Continuous H2S data

Spot trends, patterns, and unexpected spikes to know the challenge in detail.

Liquid-phase measurements

Measure directly in untreated sewage and get the most reliable insights.

Data in SCADA or Cloud

Get data however and whenever you want it.

Step 1 – understand

Know the H2S challenge

You can’t solve what you don’t understand.

Effective H₂S mitigation starts with understanding the challenge.
Without reliable data, mitigation decisions are based on mere hunches.

Continuous H₂S monitoring gives utilities the insights needed to identify where problems originate, understand their severity, and prioritize where mitigation efforts will have the greatest impact.

Step 2 – act

Use data to solve it

Understanding the problem is only the first step.

Reliable H₂S data enables utilities to design and optimize mitigation activites on an informed basis.

Whether optimizing chemical dosing stations, sizing air filters, strippers or other treatment solutions, or evaluating the performance of existing mitigation initiatives, continuous data ensures that H₂S control activities align with actual needs. This helps avoid both under-treatment that leaves odor and corrosion issued unresolved, and over-treatment that wastes chemicals and costs.

Benefits

A data-driven approach to H₂S control yields many benefits as you can…

Reduce the risk of odors

Use early warnings to address issues before they evolve into odor problems to improve quality of life and minimize complaints handling.

Extend the lifespan of assets

Reduce the risk of corrosion induced damages or infrastructure collapse – and minimize the need for long-term maintenance and repairs.

Cut mitigation costs

Achieve a more cost-effective and sustainable mitigation of H₂S issues by i.e. avoiding over- or underdosing of chemicals.

Learn more

Read more about the benefits of a proactive approach to sulfide control in the wastewater industry.

Product

SulfiLoggerTM H2S sensor

The SulfiLogger™ H2S sensor is a robust probe designed for continuous monitoring in rough environments including wastewater and process gases.

Click the button to read more details including full product specifications.

Product details
Product

SulfiLoggerTM H2S sensor

The SulfiLogger™ H2S sensor is a robust probe designed for continuous monitoring in rough environments including wastewater and process gases.

Click the button to read more details including full product specifications.

Product details

Case studies

Read how utilities have benefited from data-driven sulfide control.

Read cases

Webinars

Watch webinars about smart H2S control in wastewater networks.

Watch webinars
whitepaper

Smart H2S control in wastewater


Get practical tips for how you can use reliable sensor measurements to make smarter decisions for controlling H2S.

Download the whitepaper

Trusted by the industry

The SulfiLogger™ sensor is in operation in +30 countries world-wide.

  • "After struggling with H₂S meters that couldn't handle moisture, the City of Grand Rapids WRRF switched to SulfiLogger.

    We now receive consistent, reliable readings, allowing us to monitor our digesters and H₂S removal media effectively. We’ve had great success with these sensors and recommend them to any facility dealing with high-moisture processes."

    City of Grand Rapids, MI
    Wastewater Operations & Maintenance Supervisor

  • "After installing a SulfiLogger sensor for liquid-phase measurements, we now have reliable insights into how industrial sewage discharges affect H₂S levels in the collection system."

    Energi Viborg
    Gerhard Wirenfeldt, Technical Coordinator

  • "By installing SulfiLogger sensors in odor control systems in wastewater applications, we can continuously evaluate H₂S removal efficiency.

    This has improved process transparency, optimised filter operation, and enhanced overall system reliability."

    Dimtech S.A.
    Theocharis Sideris, Environmental Engineer

  • "We have 4 Sulfiloggers in operation across our wastewater system. Two are used to optimise iron(II) chloride dosing in pressure pipelines, while the other two are used to monitor H₂S levels and support testing of microorganisms in the sewer system.

    Overall, the Sulfiloggers are an excellent operational tool. The data quality is outstanding, maintenance is extremely easy, and after more than a year of continuous operation, we have not noticed any significant wear."

    Wolfburger Entwässerungsbetriebe
    Thomas Rechlin, Head of Department for Treatment Plants and Pumping Stations

  • "We use two SulfiLogger sensors (one placed in the liquid and one in the air) to investigate a location, where we have a suspicion of elevated H₂S levels.

    The measurement data is crucial for assessing the severity of the problem and selecting the appropriate solution. If the results confirm our suspicions, we will explore the possibility of a filtration solution or other relevant mitigation measures.

    After this project, we plan to relocate the sensors to other locations within the sewer network where hydrogen sulfide also is suspected."

    SonFor
    Thor Krogh Harfot, Maskinmester

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