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SulfiLogger™ biogas sensor system

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Sensor system with all the components needed to get started measuring hydrogen sulfide in a bypassed side stream in biogas applications and integrating continuous sensor data into SCADA/PLC systems using the sensor’s 4-20mA output.


The system includes:

Recommended accessories
We recommend you to add a Calibration Kit to your order.


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Reliable H2S insights in biogas
The SulfiLoggerTM H2S sensor provides reliable insights into your H2S challenge by continuously measuring H2S directly in untreated process gases. These unique insights – among other applications – enable you to cost-optimize desulphurization processes, protect assets from H2S induced corrosion, and keep H2S levels under constant surveillance.


Measure H2S anywhere at the biogas plant
Built to withstand the harsh conditions found in gas producing facilities, the SulfiLoggerTM sensor is designed to operate under anaerobic conditions and in wet gas with up to 100% humidity. It is suitable for installation virtually anywhere, including right after the anaerobic digester or immediately before/after desulphurization equipment such as scrubber systems and carbon filters.


Data anywhere, anytime
The SulfiLoggerTM sensor delivers continuous data directly into existing SCADA/PLC systems in real-time using an analogue 4-20mA output and the sensor is powered by 4-20mA loop power (cable included).


This sensor system is a bundle containing multiple individual products.

Please click on the individual products as listed under “The system includes” to view their specifications.

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Frequently Asked Questions.

  1. Place an order and choose a payment option at checkout.
  2. Wait for us to approve the order or suggest changes to it.
  3. Receive your products up to 3 weeks after the payment has been processed.

Products are available for sale and delivery to registered companies in the European Economic Area EEA (all EU and EFTA member states), and to Switzerland, the United Kingdom, the United States, and Canada.

For inquiries outside of these geographic regions, please contact us.

Products are shipped via UPS.

Delivery charges are calculated at checkout.

Prepayment by bank transfer or credit card.

All prices are excluding VAT, import duties and sales taxes.

We only sell to registered companies (not to individuals)